#F4320CVermilion (#F4320C) is a mid-tone, vivid red with an OKLCH hue of 32°, lightness 0.63 and chroma 0.231. 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.
| HEX | #F4320C |
|---|---|
| RGB | rgb(244, 50, 12) |
| HSL | hsl(10, 91%, 50%) |
| HSV | hsv(10, 95%, 96%) |
| CMYK | cmyk(0%, 80%, 95%, 4%) |
| CIE Lab | lab(53.5 70.3 63.2) |
| OKLCH | oklch(0.627 0.231 32) |
Under warm 2700K interior light Vermilion 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.
#f42a02 — ΔE 0.7, is virtually unchanged#f82f06 — ΔE 0.7, is virtually unchanged#f4320c — ΔE 0.0, is virtually unchanged#f5330e — ΔE 0.3, is virtually unchangedAgainst white it measures 3.96:1 and against black 5.31:1, so black text is the stronger pairing. That pairing passes WCAG AA for body text.
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.
#ffd5cc · #ff9884 · #f4320c · #c82100 · #8c1300 · #550500
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.
#f59200 · #f26d00 · #f4320c · #d71b49 · #b51160 · #92106c
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.
#c9a048 · #f4320c · #c22304 · #654a00 · #660900 · #271a00
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.
#ffece8 · #00dcfa · #f4320c · #8b594f · #802616 · #4e1a11
The anchor as the only color in the room. True neutrals or complement-warmed near-neutrals let it stay dominant.
#daf8ff · #bf9992 · #f4320c · #5d7276 · #45221b · #000204
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 · #bccdd0 · #8da0a4 · #0d282d · #000508 · #f4320c
The opposite hue on the perceptual wheel, tempered to field strength — warm/cool tension without vibration.
#dcdbb5 · #39c7f5 · #f4320c · #98607c · #2c3c5b · #031024
The complement's two neighbours instead of the complement itself — strong contrast with a lower clash risk.
#d9f8ff · #00bdaa · #f4320c · #0074b1 · #00362f · #000511
Three hues spaced evenly around the wheel; the anchor leads and the other two are held at supporting strength.
#d3ffdd · #10c366 · #f4320c · #4754f0 · #1a008b · #000200
Two complementary pairs offset by 90° — the richest chord, kept usable by a strict lightness hierarchy.
#e9fac6 · #92b300 · #f4320c · #007c8d · #3e006d · #000204
#FE5B3F · #FF8169 · #FFA08D · #FFBDAF · #FFD8D0
#CC2200 · #A41900 · #7D0F00 · #590600 · #370100
#E05239 · #CC6653 · #B57568
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.