#CB4631
Closest named color: Dark Coral (#CF524E). oklch(57.7% 0.173 31.6), rgb(203, 70, 49).
Aa
White text reads best on this color (4.70:1).
About this color
#CB4631 is a medium-dark, vivid red. In OKLCH its lightness is 58%, its chroma 0.173 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Coral (#CF524E), ΔE 0.034 away. White text reads best on it, at 4.70:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.173) |
| Temperature | warm |
| Nearest name | Dark Coral (#CF524E) |
| Black text | 4.45:1 |
| White text | 4.70:1 |
Values
| HEX | #CB4631 |
| RGB | rgb(203, 70, 49) |
| HSL | hsl(8, 61%, 49%) |
| OKLCH | oklch(57.7% 0.173 31.6) |
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 #CB4631 | 4.70:1 | AA | Lc -77.1 | Fine for body text |
| Black text on #CB4631 | 4.45:1 | AA large text | Lc 32.4 | Non-text elements, placeholder text |
| #CB4631 text on white | 4.70:1 | AA | Lc 71.7 | Content text, not long reading |
| #CB4631 text on black | 4.45:1 | AA large text | Lc -30.0 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F9E5E1
oklch(93.7% 0.023 31.1)
-
Step 200
200
#F4CFC8
oklch(88.4% 0.043 30.5)
-
Step 300
300
#EEAFA2
oklch(80.9% 0.077 31.9)
-
Step 400
400
#E3816F
oklch(70.6% 0.125 31.4)
-
Step 500
500
#D85E49
oklch(63.1% 0.158 31.7)
-
Step 600
600 (this color)
#CB4631
oklch(57.7% 0.173 31.6)
-
Step 700
700
#A92F1D
oklch(49.1% 0.161 31.4)
-
Step 800
800
#89291A
oklch(42.7% 0.133 31.6)
-
Step 900
900
#6E271C
oklch(37.6% 0.104 31.2)
-
Step 950
950
#411811
oklch(27% 0.066 31.5)
#CB4631 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) | #6C612E | 0.179 |
| Deuteranopia (no green cones) | #8D7E2C | 0.164 |
| Tritanopia (no blue cones) | #DF2042 | 0.062 |
| Achromatopsia (no color) | #737373 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB4631
#CB4631
oklch(57.7% 0.173 31.6)
- #00899B
#00899B
oklch(57.8% 0.1 210.9)
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 #CB4631, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Coral #CF524E ΔE 0.034
- Brick Orange #C14A09 ΔE 0.035
- Faded Red #D3494E ΔE 0.035
- Burnt Orange #C04E01 ΔE 0.041
- Dull Red #BB3F3F ΔE 0.041
- Rust Orange #C45508 ΔE 0.045
- Sinopia #BB3E03 ΔE 0.045
- Pale Red #D9544D ΔE 0.046
Use #CB4631 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.