First Blood `#ED1C24`

First Blood (#ED1C24) is a mid-tone, vivid red with an OKLCH hue of 27°, lightness 0.6 and chroma 0.235. It sits on the warm side of the color wheel. In practice it behaves as an accent color: strong in focal moments, dominant over large fields.

Color values

HEX	`#ED1C24`
RGB	`rgb(237, 28, 36)`
HSL	`hsl(358, 85%, 52%)`
HSV	`hsv(358, 88%, 93%)`
CMYK	`cmyk(0%, 88%, 85%, 7%)`
CIE Lab	`lab(50.7 73.3 51.6)`
OKLCH	`oklch(0.603 0.235 27)`

How First Blood behaves under real light

Under warm 2700K interior light First Blood is virtually unchanged; in north-facing or shaded light it is virtually unchanged. Overall drift across common illuminants is small (max ΔE ≈ 0.8), so it is a lighting-stable choice.

Warm interior (2700K incandescent / warm LED): → #ed0e1e — ΔE 0.7, is virtually unchanged
Neutral LED (4000K task and retail lighting): → #f11721 — ΔE 0.8, is virtually unchanged
Daylight (6500K standard daylight (reference)): → #ed1c24 — ΔE 0.0, is virtually unchanged
Blue-sky shade (cool daylight (~10000K proxy)): → #ee1d25 — ΔE 0.2, is virtually unchanged

Test First Blood in the color lighting simulator — sweep it through daylight, warm 2700K light, 4000K LED, and shade alongside the rest of your palette.

Contrast & accessibility

Against white it measures 4.38:1 and against black 4.79:1, so black text is the stronger pairing. That pairing passes WCAG AA for body text.

Colors that go with First Blood

Tonal

One color explored: close hues with real lightness and chroma structure, so the palette is the anchor through value rather than a set of colors.

#ffcac3 · #ff8a7e · #ed1c24 · #c20013 · #850009 · #4d0002

Analogous

The anchor's neighbours on the wheel — everything shares an undertone, so the chord carries color without anything having to be muted to get along.

#f28600 · #f05e00 · #ed1c24 · #ce004f · #ab0064 · #87026e

Shifted

The mid-gap pairing — sage and mustard, terracotta and olive. A foil rotated 40–65° toward warm or cool: too far to be kin, too near to argue, carried by temperature and a deliberate value offset.

#f7af00 · #c69640 · #ed1c24 · #bb0d17 · #8d000a · #402a00

Contrast

One deliberately opposed voice — a single restrained counterpoint across the wheel, or temperature against temperature where the anchor is too muted to carry a loud opposite.

#ffe1dd · #00ddf2 · #ed1c24 · #85514b · #791b19 · #47120f

Quiet Support

The anchor as the only color in the room. True neutrals or complement-warmed near-neutrals let it stay dominant.

#d9f9fd · #b8928d · #ed1c24 · #566b6e · #421e1b · #000304

Bright Accent

This color as a ground rather than a subject — its own restraint held across a narrow value band, carrying one saturated voice from the opposite temperature.

#e6f5f7 · #bccdd0 · #8ea1a4 · #0f2a2d · #000709 · #ed1c24

Complementary

The opposite hue on the perceptual wheel, tempered to field strength — warm/cool tension without vibration.

#ddddb7 · #38c1ed · #ed1c24 · #915b7a · #2a3b67 · #030f22

Split-complementary

The complement's two neighbours instead of the complement itself — strong contrast with a lower clash risk.

#ced6b1 · #77bfb6 · #ed1c24 · #487499 · #323c2f · #1b0d04

Triadic

Three hues spaced evenly around the wheel; the anchor leads and the other two are held at supporting strength.

#d5ffd8 · #2eba4f · #ed1c24 · #2d50ea · #0b0088 · #000200

Tetradic

Two complementary pairs offset by 90° — the richest chord, kept usable by a strict lightness hierarchy.

#eef9c3 · #96a800 · #ed1c24 · #007580 · #37006c · #000304

Tints, shades & muted variants

Tints

#F85048 · #FF756A · #FF998E · #FFB9B0 · #FFD6D0

Shades

#C80014 · #A1000E · #7B0007 · #580003 · #370001

Muted

#DA463F · #C55D54 · #AE6D65

Using First Blood

Its chroma is high enough to carry accents, calls to action, and focal moments; large fields of it will dominate a composition. In palettes it pairs most predictably with its tonal ramp and analogous neighbors; reserve the complementary hue for small, deliberate contrast.