#631A28
Closest named color: Claret (#680018). oklch(34.2% 0.104 13.5), rgb(99, 26, 40).
Aa
White text reads best on this color (12.28:1).
About this color
#631A28 is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.104 and its hue 14°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.032 away. White text reads best on it, at 12.28:1.
| Hue family | Reds |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.104) |
| Temperature | warm |
| Nearest name | Claret (#680018) |
| Black text | 1.70:1 |
| White text | 12.28:1 |
Values
| HEX | #631A28 |
| RGB | rgb(99, 26, 40) |
| HSL | hsl(348, 58%, 25%) |
| OKLCH | oklch(34.2% 0.104 13.5) |
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 #631A28 | 12.28:1 | AAA | Lc -100.7 | Preferred for body text |
| Black text on #631A28 | 1.70:1 | Fails | Lc 0.0 | Not readable |
| #631A28 text on white | 12.28:1 | AAA | Lc 97.1 | Preferred for body text |
| #631A28 text on black | 1.70:1 | Fails | Lc 0.0 | Not readable |
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 900.
-
Step 50
50
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F9E4E5
oklch(93.6% 0.023 14.3)
-
Step 200
200
#F5CED1
oklch(88.5% 0.044 12.8)
-
Step 300
300
#EFACB2
oklch(80.9% 0.079 13)
-
Step 400
400
#E37E89
oklch(70.7% 0.125 13.8)
-
Step 500
500
#D8596C
oklch(63.1% 0.16 13.8)
-
Step 600
600
#C33954
oklch(55.5% 0.174 13.7)
-
Step 700
700
#A82A45
oklch(49.1% 0.162 13.5)
-
Step 800
800
#892539
oklch(42.8% 0.134 13.5)
-
Step 900
900 (this color)
#631A28
oklch(34.2% 0.104 13.5)
-
Step 950
950
#41161D
oklch(27% 0.067 12.8)
#631A28 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) | #2C2B28 | 0.116 |
| Deuteranopia (no green cones) | #3F3A26 | 0.105 |
| Tritanopia (no blue cones) | #6D0A20 | 0.026 |
| Achromatopsia (no color) | #353535 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #631A28
#631A28
oklch(34.2% 0.104 13.5)
- #004241
#004241
oklch(34.3% 0.059 193.1)
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 #631A28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Claret #680018 ΔE 0.032
- Burgundy #610023 ΔE 0.035
- Reddy Brown #6E1005 ΔE 0.043
- Wine Red #7B0323 ΔE 0.052
- Merlot #730039 ΔE 0.053
- Bordeaux #7B002C ΔE 0.054
- Blood #770001 ΔE 0.056
- Chestnut #742802 ΔE 0.070
Use #631A28 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.