#63251E
Closest named color: Reddy Brown (#6E1005). oklch(35.5% 0.092 28.9), rgb(99, 37, 30).
Aa
White text reads best on this color (11.57:1).
About this color
#63251E is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.092 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.038 away. White text reads best on it, at 11.57:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.092) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.81:1 |
| White text | 11.57:1 |
Values
| HEX | #63251E |
| RGB | rgb(99, 37, 30) |
| HSL | hsl(6, 53%, 25%) |
| OKLCH | oklch(35.5% 0.092 28.9) |
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 #63251E | 11.57:1 | AAA | Lc -99.8 | Preferred for body text |
| Black text on #63251E | 1.81:1 | Fails | Lc 7.8 | Not readable |
| #63251E text on white | 11.57:1 | AAA | Lc 96.0 | Preferred for body text |
| #63251E text on black | 1.81:1 | 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F7E5E2
oklch(93.5% 0.02 28.9)
-
Step 200
200
#F1D0CB
oklch(88.4% 0.038 28.1)
-
Step 300
300
#EAB0A7
oklch(80.8% 0.07 28.7)
-
Step 400
400
#DD8579
oklch(70.7% 0.111 28.5)
-
Step 500
500
#D16456
oklch(63.2% 0.141 29.1)
-
Step 600
600
#BC483B
oklch(55.6% 0.152 29.2)
-
Step 700
700
#A2382E
oklch(49.1% 0.142 28.7)
-
Step 800
800
#832F27
oklch(42.6% 0.118 28.4)
-
Step 900
900 (this color)
#63251E
oklch(35.5% 0.092 28.9)
-
Step 950
950
#3E1A15
oklch(26.9% 0.058 29.5)
#63251E 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) | #35301D | 0.096 |
| Deuteranopia (no green cones) | #453E1C | 0.088 |
| Tritanopia (no blue cones) | #6D1824 | 0.033 |
| Achromatopsia (no color) | #393939 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63251E
#63251E
oklch(35.5% 0.092 28.9)
- #00444D
#00444D
oklch(35.4% 0.061 209.6)
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 #63251E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.038
- Chestnut #742802 ΔE 0.046
- Claret #680018 ΔE 0.052
- Blood #770001 ΔE 0.055
- Purple Brown #673A3F ΔE 0.061
- Wine Red #7B0323 ΔE 0.063
- Burgundy #610023 ΔE 0.064
- Maroon #800000 ΔE 0.067
Use #63251E 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.