#635B41
Closest named color: Mud (#735C12). oklch(47.2% 0.041 93), rgb(99, 91, 65).
Aa
White text reads best on this color (6.76:1).
About this color
#635B41 is a medium-dark, muted brown. In OKLCH its lightness is 47%, its chroma 0.041 and its hue 93°. Its hue sits on the warm side of the wheel. The nearest named color is Mud (#735C12), ΔE 0.053 away. White text reads best on it, at 6.76:1.
| Hue family | Browns |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.041) |
| Temperature | warm |
| Nearest name | Mud (#735C12) |
| Black text | 3.10:1 |
| White text | 6.76:1 |
Values
| HEX | #635B41 |
| RGB | rgb(99, 91, 65) |
| HSL | hsl(46, 21%, 32%) |
| OKLCH | oklch(47.2% 0.041 93) |
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 #635B41 | 6.76:1 | AA | Lc -88.3 | Fine for body text |
| Black text on #635B41 | 3.10:1 | AA large text | Lc 20.7 | Dividers and decoration only |
| #635B41 text on white | 6.76:1 | AA | Lc 83.3 | Fine for body text |
| #635B41 text on black | 3.10:1 | AA large text | Lc -18.6 | Dividers and decoration only |
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 700.
-
Step 50
50
#F6F5F3
oklch(97% 0.003 84.6)
-
Step 100
100
#EBEAE6
oklch(93.7% 0.005 95.1)
-
Step 200
200
#DBD9D1
oklch(88.5% 0.011 95.2)
-
Step 300
300
#C5C1B3
oklch(81% 0.02 93.7)
-
Step 400
400
#A7A18B
oklch(70.8% 0.032 94.5)
-
Step 500
500
#92896E
oklch(63.1% 0.04 91.8)
-
Step 600
600
#7C7356
oklch(55.6% 0.044 92.9)
-
Step 700
700 (this color)
#635B41
oklch(47.2% 0.041 93)
-
Step 800
800
#554F3A
oklch(42.7% 0.034 94)
-
Step 900
900
#464132
oklch(37.6% 0.025 91.8)
-
Step 950
950
#29261D
oklch(26.9% 0.017 91.8)
#635B41 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) | #615A3F | 0.005 |
| Deuteranopia (no green cones) | #635C42 | 0.003 |
| Tritanopia (no blue cones) | #685754 | 0.037 |
| Achromatopsia (no color) | #5B5B5B | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #635B41
#635B41
oklch(47.2% 0.041 93)
- #535A73
#535A73
oklch(47.1% 0.041 272.5)
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 #635B41, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud #735C12 ΔE 0.053
- Olive Brown #645403 ΔE 0.055
- Dark Moss Green #606C38 ΔE 0.057
- Milk Chocolate #7F4E1E ΔE 0.060
- Greeny Brown #696006 ΔE 0.061
- Camo Green #526525 ΔE 0.061
- Medium Brown #7F5112 ΔE 0.061
- Dim Gray #696969 ΔE 0.064
Use #635B41 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.