#63431E
Closest named color: Mud Brown (#60460F). oklch(41.1% 0.068 67.8), rgb(99, 67, 30).
Aa
White text reads best on this color (8.92:1).
About this color
#63431E is a dark, muted brown. In OKLCH its lightness is 41%, its chroma 0.068 and its hue 68°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.019 away. White text reads best on it, at 8.92:1.
| Hue family | Browns |
| Lightness | dark (41%) |
| Chroma | muted (0.068) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.35:1 |
| White text | 8.92:1 |
Values
| HEX | #63431E |
| RGB | rgb(99, 67, 30) |
| HSL | hsl(32, 53%, 25%) |
| OKLCH | oklch(41.1% 0.068 67.8) |
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 #63431E | 8.92:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #63431E | 2.35:1 | Fails | Lc 13.6 | Not readable |
| #63431E text on white | 8.92:1 | AAA | Lc 90.3 | Preferred for body text |
| #63431E text on black | 2.35:1 | Fails | Lc -12.0 | 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 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
#D2BCA6
oklch(80.8% 0.039 67.2)
-
Step 400
400
#BC9A76
oklch(70.8% 0.064 68.1)
-
Step 500
500
#AA8052
oklch(63% 0.081 68)
-
Step 600
600
#966936
oklch(55.7% 0.089 67.6)
-
Step 700
700
#7F5728
oklch(49% 0.082 68.1)
-
Step 800
800 (this color)
#63431E
oklch(41.1% 0.068 67.8)
-
Step 900
900
#543C21
oklch(37.6% 0.053 68.3)
-
Step 950
950
#312314
oklch(26.9% 0.033 67.6)
#63431E 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) | #4E451A | 0.040 |
| Deuteranopia (no green cones) | #554D1F | 0.037 |
| Tritanopia (no blue cones) | #6C3B3B | 0.055 |
| Achromatopsia (no color) | #4A4A4A | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63431E
#63431E
oklch(41.1% 0.068 67.8)
- #2A4E6E
#2A4E6E
oklch(41.2% 0.068 247.1)
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 #63431E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.019
- Green Brown #544E03 ΔE 0.052
- Olive Brown #645403 ΔE 0.058
- Purple Brown #673A3F ΔE 0.061
- Milk Chocolate #7F4E1E ΔE 0.065
- Chestnut #742802 ΔE 0.067
- Medium Brown #7F5112 ΔE 0.071
- Saddle Brown #8B4513 ΔE 0.079
Use #63431E 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.