#63280F
Closest named color: Chestnut (#742802). oklch(35.7% 0.093 41.5), rgb(99, 40, 15).
Aa
White text reads best on this color (11.40:1).
About this color
#63280F is a dark, moderately saturated brown. In OKLCH its lightness is 36%, its chroma 0.093 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.037 away. White text reads best on it, at 11.40:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.093) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.84:1 |
| White text | 11.40:1 |
Values
| HEX | #63280F |
| RGB | rgb(99, 40, 15) |
| HSL | hsl(18, 74%, 22%) |
| OKLCH | oklch(35.7% 0.093 41.5) |
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 #63280F | 11.40:1 | AAA | Lc -99.5 | Preferred for body text |
| Black text on #63280F | 1.84:1 | Fails | Lc 8.2 | Not readable |
| #63280F text on white | 11.40:1 | AAA | Lc 95.7 | Preferred for body text |
| #63280F text on black | 1.84:1 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6E0
oklch(93.6% 0.019 41.8)
-
Step 200
200
#F1D1C6
oklch(88.5% 0.039 39.9)
-
Step 300
300
#E9B29E
oklch(80.9% 0.07 40.9)
-
Step 400
400
#DB8869
oklch(70.7% 0.111 41.2)
-
Step 500
500
#CF683E
oklch(63.1% 0.142 41.9)
-
Step 600
600
#BB4C1A
oklch(55.7% 0.155 41.5)
-
Step 700
700
#A03C0A
oklch(49% 0.144 41.5)
-
Step 800
800
#82330E
oklch(42.7% 0.119 42)
-
Step 900
900 (this color)
#63280F
oklch(35.7% 0.093 41.5)
-
Step 950
950
#3E1B0E
oklch(27% 0.059 40.5)
#63280F 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) | #39320C | 0.088 |
| Deuteranopia (no green cones) | #473F0D | 0.082 |
| Tritanopia (no blue cones) | #6D1B23 | 0.045 |
| Achromatopsia (no color) | #3A3A3A | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63280F
#63280F
oklch(35.7% 0.093 41.5)
- #004455
#004455
oklch(35.8% 0.066 221.4)
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 #63280F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.037
- Reddy Brown #6E1005 ΔE 0.042
- Blood #770001 ΔE 0.060
- Claret #680018 ΔE 0.065
- Purple Brown #673A3F ΔE 0.068
- Maroon #800000 ΔE 0.070
- Wine Red #7B0323 ΔE 0.075
- Burgundy #610023 ΔE 0.080
Use #63280F 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.