#63290C
Closest named color: Chestnut (#742802). oklch(35.9% 0.093 43.9), rgb(99, 41, 12).
Aa
White text reads best on this color (11.33:1).
About this color
#63290C is a dark, moderately saturated brown. In OKLCH its lightness is 36%, its chroma 0.093 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.036 away. White text reads best on it, at 11.33:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.093) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.85:1 |
| White text | 11.33:1 |
Values
| HEX | #63290C |
| RGB | rgb(99, 41, 12) |
| HSL | hsl(20, 78%, 22%) |
| OKLCH | oklch(35.9% 0.093 43.9) |
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 #63290C | 11.33:1 | AAA | Lc -99.4 | Preferred for body text |
| Black text on #63290C | 1.85:1 | Fails | Lc 8.3 | Not readable |
| #63290C text on white | 11.33:1 | AAA | Lc 95.6 | Preferred for body text |
| #63290C text on black | 1.85:1 | 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
#FBF4F0
oklch(97.1% 0.009 52.1)
-
Step 100
100
#F6E6DF
oklch(93.6% 0.02 45.3)
-
Step 200
200
#F0D2C5
oklch(88.5% 0.038 44.8)
-
Step 300
300
#E8B39C
oklch(80.9% 0.07 44.6)
-
Step 400
400
#DA8966
oklch(70.7% 0.111 43.9)
-
Step 500
500
#CE693A
oklch(63.1% 0.142 44.1)
-
Step 600
600
#BA4D11
oklch(55.6% 0.155 43.7)
-
Step 700
700
#A03E00
oklch(49.2% 0.143 44)
-
Step 800
800
#823308
oklch(42.7% 0.12 43.4)
-
Step 900
900 (this color)
#63290C
oklch(35.9% 0.093 43.9)
-
Step 950
950
#3E1C0C
oklch(27.2% 0.059 44.5)
#63290C 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) | #393208 | 0.088 |
| Deuteranopia (no green cones) | #483F0A | 0.078 |
| Tritanopia (no blue cones) | #6D1C23 | 0.047 |
| Achromatopsia (no color) | #3A3A3A | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63290C
#63290C
oklch(35.9% 0.093 43.9)
- #004457
#004457
oklch(35.9% 0.067 224)
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 #63290C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.036
- Reddy Brown #6E1005 ΔE 0.045
- Blood #770001 ΔE 0.062
- Purple Brown #673A3F ΔE 0.068
- Claret #680018 ΔE 0.069
- Maroon #800000 ΔE 0.071
- Wine Red #7B0323 ΔE 0.078
- Mud Brown #60460F ΔE 0.078
Use #63290C 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.