Fire Opal `#FD3C06`

Fire Opal (#FD3C06) is a mid-tone, vivid red with an OKLCH hue of 34°, lightness 0.65 and chroma 0.233. 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	`#FD3C06`
RGB	`rgb(253, 60, 6)`
HSL	`hsl(13, 98%, 51%)`
HSV	`hsv(13, 98%, 99%)`
CMYK	`cmyk(0%, 76%, 98%, 1%)`
CIE Lab	`lab(56.2 70 66.8)`
OKLCH	`oklch(0.649 0.233 34)`

How Fire Opal behaves under real light

Under warm 2700K interior light Fire Opal 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): → #fd3500 — ΔE 0.8, is virtually unchanged
Neutral LED (4000K task and retail lighting): → #ff3a00 — ΔE 0.4, is virtually unchanged
Daylight (6500K standard daylight (reference)): → #fd3c06 — ΔE 0.0, is virtually unchanged
Blue-sky shade (cool daylight (~10000K proxy)): → #fe3d08 — ΔE 0.3, is virtually unchanged

Test Fire Opal 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 3.6:1 and against black 5.83:1, so black text is the stronger pairing. That pairing passes WCAG AA for body text.

Colors that go with Fire Opal

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.

#ffe0d8 · #ffa490 · #fd3c06 · #d02d00 · #941c00 · #5d0c00

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.

#fc9900 · #fa7500 · #fd3c06 · #e0264a · #bf1b63 · #9b1970

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.

#cfa84f · #fd3c06 · #cb2d02 · #6c5000 · #6e1200 · #2d1f00

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.

#00dbfc · #fd3c06 · #935f54 · #882d1a · #610f00 · #350200

Quiet Support

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

#daf8ff · #c6a198 · #fd3c06 · #64797d · #48251d · #000305

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.

#e7f5f8 · #bccdd1 · #8ea1a6 · #10292f · #00070b · #fd3c06

Complementary

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

#daf8ff · #00bfdc · #fd3c06 · #008397 · #003741 · #080000

Split-complementary

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

#cedcb9 · #74a6d7 · #fd3c06 · #406b66 · #374439 · #170c03

Triadic

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

#d2ffde · #08cb70 · #fd3c06 · #5159f9 · #200091 · #000601

Tetradic

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

#e8fac7 · #94bc00 · #fd3c06 · #008397 · #430071 · #000305

Tints, shades & muted variants

Tints

#FF6848 · #FF8A70 · #FFA792 · #FFC1B2 · #FFDAD1

Shades

#D22E00 · #A82200 · #801700 · #5A0C00 · #380300

Muted

#E95A3B · #D46D57 · #BD7C6D

Using Fire Opal

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.