#63451D
Closest named color: Mud Brown (#60460F). oklch(41.5% 0.069 71.6), rgb(99, 69, 29).
Aa
White text reads best on this color (8.75:1).
About this color
#63451D is a dark, muted brown. In OKLCH its lightness is 42%, its chroma 0.069 and its hue 72°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.015 away. White text reads best on it, at 8.75:1.
| Hue family | Browns |
| Lightness | dark (42%) |
| Chroma | muted (0.069) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.39:1 |
| White text | 8.75:1 |
Values
| HEX | #63451D |
| RGB | rgb(99, 69, 29) |
| HSL | hsl(34, 55%, 25%) |
| OKLCH | oklch(41.5% 0.069 71.6) |
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 #63451D | 8.75:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #63451D | 2.39:1 | Fails | Lc 14.1 | Not readable |
| #63451D text on white | 8.75:1 | AAA | Lc 89.8 | Fine for body text |
| #63451D text on black | 2.39:1 | Fails | Lc -12.4 | 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 800.
-
Step 50
50
#F8F5F2
oklch(97.2% 0.005 67.8)
-
Step 100
100
#EFE9E2
oklch(93.7% 0.011 71.9)
-
Step 200
200
#E3D7CA
oklch(88.5% 0.022 69.8)
-
Step 300
300
#D1BDA5
oklch(80.9% 0.04 72.3)
-
Step 400
400
#BA9A74
oklch(70.6% 0.064 71.3)
-
Step 500
500
#A98150
oklch(63.1% 0.082 71.1)
-
Step 600
600
#946A33
oklch(55.6% 0.089 71.4)
-
Step 700
700
#7E5825
oklch(49.1% 0.084 71.5)
-
Step 800
800 (this color)
#63451D
oklch(41.5% 0.069 71.6)
-
Step 900
900
#533D20
oklch(37.7% 0.053 72.6)
-
Step 950
950
#312413
oklch(27.1% 0.034 73)
#63451D 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) | #4F4719 | 0.038 |
| Deuteranopia (no green cones) | #574E1E | 0.033 |
| Tritanopia (no blue cones) | #6C3E3C | 0.055 |
| Achromatopsia (no color) | #4B4B4B | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63451D
#63451D
oklch(41.5% 0.069 71.6)
- #2E4E70
#2E4E70
oklch(41.5% 0.069 251.1)
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 #63451D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.015
- Green Brown #544E03 ΔE 0.047
- Olive Brown #645403 ΔE 0.052
- Milk Chocolate #7F4E1E ΔE 0.061
- Purple Brown #673A3F ΔE 0.066
- Medium Brown #7F5112 ΔE 0.067
- Chestnut #742802 ΔE 0.072
- Saddle Brown #8B4513 ΔE 0.077
Use #63451D 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.