#631E23
Closest named color: Claret (#680018). oklch(34.6% 0.099 19.9), rgb(99, 30, 35).
Aa
White text reads best on this color (12.06:1).
About this color
#631E23 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.099 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.037 away. White text reads best on it, at 12.06:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.099) |
| Temperature | warm |
| Nearest name | Claret (#680018) |
| Black text | 1.74:1 |
| White text | 12.06:1 |
Values
| HEX | #631E23 |
| RGB | rgb(99, 30, 35) |
| HSL | hsl(356, 53%, 25%) |
| OKLCH | oklch(34.6% 0.099 19.9) |
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 #631E23 | 12.06:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #631E23 | 1.74:1 | Fails | Lc 0.0 | Not readable |
| #631E23 text on white | 12.06:1 | AAA | Lc 96.8 | Preferred for body text |
| #631E23 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
#F8E5E4
oklch(93.7% 0.021 21.2)
-
Step 200
200
#F4CFCE
oklch(88.6% 0.042 19.8)
-
Step 300
300
#EDAEAD
oklch(80.9% 0.074 19.9)
-
Step 400
400
#E18182
oklch(70.7% 0.119 19.8)
-
Step 500
500
#D65D62
oklch(63.1% 0.153 20)
-
Step 600
600
#C13F49
oklch(55.6% 0.165 20.1)
-
Step 700
700
#A62F3B
oklch(49% 0.154 19.5)
-
Step 800
800
#872931
oklch(42.7% 0.128 19.6)
-
Step 900
900 (this color)
#631E23
oklch(34.6% 0.099 19.9)
-
Step 950
950
#401819
oklch(27% 0.063 20.7)
#631E23 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) | #302D23 | 0.107 |
| Deuteranopia (no green cones) | #413C21 | 0.101 |
| Tritanopia (no blue cones) | #6D0F20 | 0.027 |
| Achromatopsia (no color) | #363636 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #631E23
#631E23
oklch(34.6% 0.099 19.9)
- #004245
#004245
oklch(34.5% 0.059 199.9)
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 #631E23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Claret #680018 ΔE 0.037
- Reddy Brown #6E1005 ΔE 0.037
- Burgundy #610023 ΔE 0.045
- Blood #770001 ΔE 0.052
- Wine Red #7B0323 ΔE 0.054
- Bordeaux #7B002C ΔE 0.059
- Chestnut #742802 ΔE 0.059
- Merlot #730039 ΔE 0.063
Use #631E23 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.