#631E28
Closest named color: Claret (#680018). oklch(34.7% 0.099 15.5), rgb(99, 30, 40).
Aa
White text reads best on this color (12.02:1).
About this color
#631E28 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.099 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.038 away. White text reads best on it, at 12.02:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.099) |
| Temperature | warm |
| Nearest name | Claret (#680018) |
| Black text | 1.74:1 |
| White text | 12.02:1 |
Values
| HEX | #631E28 |
| RGB | rgb(99, 30, 40) |
| HSL | hsl(351, 53%, 25%) |
| OKLCH | oklch(34.7% 0.099 15.5) |
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 #631E28 | 12.02:1 | AAA | Lc -100.4 | Preferred for body text |
| Black text on #631E28 | 1.74:1 | Fails | Lc 0.0 | Not readable |
| #631E28 text on white | 12.02:1 | AAA | Lc 96.8 | Preferred for body text |
| #631E28 text on black | 1.74:1 | 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
#F8E4E5
oklch(93.5% 0.022 14.1)
-
Step 200
200
#F3CFD0
oklch(88.5% 0.041 16)
-
Step 300
300
#EDADB1
oklch(80.8% 0.075 14.7)
-
Step 400
400
#E18088
oklch(70.7% 0.12 15.3)
-
Step 500
500
#D55C6A
oklch(63% 0.153 15.5)
-
Step 600
600
#C03E52
oklch(55.5% 0.165 15.5)
-
Step 700
700
#A62F43
oklch(49.2% 0.154 15.4)
-
Step 800
800
#872937
oklch(42.8% 0.128 15.8)
-
Step 900
900 (this color)
#631E28
oklch(34.7% 0.099 15.5)
-
Step 950
950
#40181C
oklch(27.1% 0.062 16.1)
#631E28 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) | #2F2D28 | 0.109 |
| Deuteranopia (no green cones) | #413C26 | 0.101 |
| Tritanopia (no blue cones) | #6D1122 | 0.026 |
| Achromatopsia (no color) | #363636 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #631E28
#631E28
oklch(34.7% 0.099 15.5)
- #004343
#004343
oklch(34.7% 0.059 194.8)
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 #631E28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Claret #680018 ΔE 0.038
- Reddy Brown #6E1005 ΔE 0.042
- Burgundy #610023 ΔE 0.043
- Wine Red #7B0323 ΔE 0.053
- Blood #770001 ΔE 0.056
- Bordeaux #7B002C ΔE 0.056
- Merlot #730039 ΔE 0.057
- Chestnut #742802 ΔE 0.064
Use #631E28 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.