#631C14
Closest named color: Reddy Brown (#6E1005). oklch(34% 0.104 29.8), rgb(99, 28, 20).
Aa
White text reads best on this color (12.30:1).
About this color
#631C14 is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.104 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.026 away. White text reads best on it, at 12.30:1.
| Hue family | Reds |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.104) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.70:1 |
| White text | 12.30:1 |
Values
| HEX | #631C14 |
| RGB | rgb(99, 28, 20) |
| HSL | hsl(6, 66%, 23%) |
| OKLCH | oklch(34% 0.104 29.8) |
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 #631C14 | 12.30:1 | AAA | Lc -100.8 | Preferred for body text |
| Black text on #631C14 | 1.70:1 | Fails | Lc 0.0 | Not readable |
| #631C14 text on white | 12.30:1 | AAA | Lc 97.2 | Preferred for body text |
| #631C14 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F9E5E1
oklch(93.7% 0.023 31.1)
-
Step 200
200
#F5CFC9
oklch(88.5% 0.044 28.5)
-
Step 300
300
#EFAEA3
oklch(80.9% 0.078 29.7)
-
Step 400
400
#E48172
oklch(70.8% 0.125 29.6)
-
Step 500
500
#D95D4C
oklch(63.2% 0.159 30)
-
Step 600
600
#C43E2F
oklch(55.6% 0.173 29.9)
-
Step 700
700
#A92E22
oklch(49.1% 0.161 29.6)
-
Step 800
800
#89281E
oklch(42.6% 0.133 29.5)
-
Step 900
900 (this color)
#631C14
oklch(34% 0.104 29.8)
-
Step 950
950
#411812
oklch(27% 0.065 30.3)
#631C14 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) | #302B13 | 0.110 |
| Deuteranopia (no green cones) | #423B11 | 0.101 |
| Tritanopia (no blue cones) | #6E071B | 0.036 |
| Achromatopsia (no color) | #353535 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #631C14
#631C14
oklch(34% 0.104 29.8)
- #004049
#004049
oklch(34% 0.059 210.4)
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 #631C14, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.026
- Claret #680018 ΔE 0.038
- Blood #770001 ΔE 0.046
- Burgundy #610023 ΔE 0.052
- Chestnut #742802 ΔE 0.052
- Wine Red #7B0323 ΔE 0.060
- Maroon #800000 ΔE 0.062
- Bordeaux #7B002C ΔE 0.068
Use #631C14 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.