Red Seal `#C92D21`

Red Seal (#C92D21) is a mid-tone, saturated red with an OKLCH hue of 29°, lightness 0.55 and chroma 0.194. 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	`#C92D21`
RGB	`rgb(201, 45, 33)`
HSL	`hsl(4, 72%, 46%)`
HSV	`hsv(4, 84%, 79%)`
CMYK	`cmyk(0%, 78%, 84%, 21%)`
CIE Lab	`lab(44.8 59.5 45.2)`
OKLCH	`oklch(0.547 0.194 29)`

How Red Seal behaves under real light

Under warm 2700K interior light Red Seal is virtually unchanged; in north-facing or shaded light it is virtually unchanged. Overall drift across common illuminants is small (max ΔE ≈ 0.7), so it is a lighting-stable choice.

Warm interior (2700K incandescent / warm LED): → #c9271c — ΔE 0.7, is virtually unchanged
Neutral LED (4000K task and retail lighting): → #cc2b1f — ΔE 0.6, is virtually unchanged
Daylight (6500K standard daylight (reference)): → #c92d21 — ΔE 0.0, is virtually unchanged
Blue-sky shade (cool daylight (~10000K proxy)): → #ca2e22 — ΔE 0.3, is virtually unchanged

Test Red Seal 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 5.41:1 and against black 3.88:1, so white text is the stronger pairing. That pairing passes WCAG AA for body text.

Colors that go with Red Seal

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.

#ffafa2 · #f6705f · #c92d21 · #a50602 · #6b0000 · #360000

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.

#d57b0e · #d25700 · #c92d21 · #ad1941 · #8e0e50 · #6e0855

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.

#dea100 · #ac8844 · #c92d21 · #9b1b12 · #730000 · #2e1e00

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.

#00dcf6 · #b2847d · #c92d21 · #82372d · #5d1b14 · #330906

Quiet Support

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

#def7fc · #a2837e · #c92d21 · #4a5b5e · #371a16 · #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.

#e6f5f8 · #bccdd0 · #8ea2a5 · #102b2f · #00080b · #c92d21

Complementary

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

#d7f9ff · #009daf · #c92d21 · #00636f · #002a30 · #080000

Split-complementary

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

#bde1c9 · #6babcc · #599386 · #c92d21 · #4e5a83 · #1f0512

Triadic

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

#d8fddd · #32a454 · #c92d21 · #3045c1 · #0e0471 · #000200

Tetradic

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

#edf8cd · #819700 · #c92d21 · #00636f · #30005c · #000304

Tints, shades & muted variants

Tints

#D95344 · #E77363 · #F59182 · #FFB0A3 · #FFD2CA

Shades

#AB1B12 · #8E0402 · #6F0000 · #500000 · #330000

Muted

#B94538 · #A85549 · #956159

Using Red Seal

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.