#C22100
Closest named color: Scarlet (#BE0119). oklch(52.4% 0.198 32.1), rgb(194, 33, 0).
Aa
White text reads best on this color (5.98:1).
About this color
#C22100 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.198 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Scarlet (#BE0119), ΔE 0.030 away. White text reads best on it, at 5.98:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.198) |
| Temperature | warm |
| Nearest name | Scarlet (#BE0119) |
| Black text | 3.51:1 |
| White text | 5.98:1 |
Values
| HEX | #C22100 |
| RGB | rgb(194, 33, 0) |
| HSL | hsl(10, 100%, 38%) |
| OKLCH | oklch(52.4% 0.198 32.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #C22100 | 5.98:1 | AA | Lc -83.3 | Fine for body text |
| Black text on #C22100 | 3.51:1 | AA large text | Lc 26.1 | Dividers and decoration only |
| #C22100 text on white | 5.98:1 | AA | Lc 78.0 | Fine for body text |
| #C22100 text on black | 3.51:1 | AA large text | Lc -23.8 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#FBE4DF
oklch(93.6% 0.026 32.2)
-
Step 200
200
#F8CEC5
oklch(88.5% 0.049 32.1)
-
Step 300
300
#F5AC9D
oklch(81% 0.089 32)
-
Step 400
400
#EC7C66
oklch(70.8% 0.143 32.4)
-
Step 500
500
#E2533B
oklch(63.1% 0.183 31.9)
-
Step 600
600 (this color)
#C22100
oklch(52.4% 0.198 32.1)
-
Step 700
700
#B11F02
oklch(49.1% 0.184 32.2)
-
Step 800
800
#901E0A
oklch(42.7% 0.152 32.1)
-
Step 900
900
#742113
oklch(37.8% 0.119 32.1)
-
Step 950
950
#44150C
oklch(27% 0.075 32.8)
#C22100 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #584D00 | 0.212 |
| Deuteranopia (no green cones) | #7F7000 | 0.188 |
| Tritanopia (no blue cones) | #D7001E | 0.046 |
| Achromatopsia (no color) | #636363 | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C22100
#C22100
oklch(52.4% 0.198 32.1)
- #007789
#007789
oklch(52.3% 0.091 212.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #C22100, closest first.
No curated palette has a color within ΔE 0.04 of #C22100.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Scarlet #BE0119 ΔE 0.030
- Firebrick #B22222 ΔE 0.037
- Rusty Red #AF2F0D ΔE 0.037
- Sinopia #BB3E03 ΔE 0.038
- Rufous #AE2012 ΔE 0.042
- Lipstick Red #C0022F ΔE 0.043
- Rust Red #AA2704 ΔE 0.048
- Cherry #CF0234 ΔE 0.049
Use #C22100 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.