#635331
Closest named color: Olive Brown (#645403). oklch(45% 0.054 85.1), rgb(99, 83, 49).
Aa
White text reads best on this color (7.46:1).
About this color
#635331 is a dark, muted brown. In OKLCH its lightness is 45%, its chroma 0.054 and its hue 85°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.039 away. White text reads best on it, at 7.46:1.
| Hue family | Browns |
| Lightness | dark (45%) |
| Chroma | muted (0.054) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.81:1 |
| White text | 7.46:1 |
Values
| HEX | #635331 |
| RGB | rgb(99, 83, 49) |
| HSL | hsl(41, 34%, 29%) |
| OKLCH | oklch(45% 0.054 85.1) |
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 #635331 | 7.46:1 | AAA | Lc -90.7 | Preferred for body text |
| Black text on #635331 | 2.81:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #635331 text on white | 7.46:1 | AAA | Lc 85.9 | Fine for body text |
| #635331 text on black | 2.81:1 | Fails | Lc -16.1 | 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 800.
-
Step 50
50
#F7F5F2
oklch(97.1% 0.005 78.3)
-
Step 100
100
#EDE9E3
oklch(93.5% 0.009 78.3)
-
Step 200
200
#DED8CC
oklch(88.4% 0.018 84.6)
-
Step 300
300
#CABFAA
oklch(80.8% 0.031 83.6)
-
Step 400
400
#AF9F7D
oklch(70.8% 0.051 85.7)
-
Step 500
500
#9B875C
oklch(63.1% 0.064 85.7)
-
Step 600
600
#867041
oklch(55.5% 0.07 85.1)
-
Step 700
700
#725E33
oklch(49.2% 0.066 85)
-
Step 800
800 (this color)
#635331
oklch(45% 0.054 85.1)
-
Step 900
900
#4C4027
oklch(37.7% 0.042 84.9)
-
Step 950
950
#2C2617
oklch(27.1% 0.027 88.6)
#635331 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) | #5B522E | 0.015 |
| Deuteranopia (no green cones) | #5F5732 | 0.013 |
| Tritanopia (no blue cones) | #6A4E4B | 0.048 |
| Achromatopsia (no color) | #555555 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #635331
#635331
oklch(45% 0.054 85.1)
- #465574
#465574
oklch(45% 0.055 264.4)
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 #635331, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.039
- Mud Brown #60460F ΔE 0.044
- Milk Chocolate #7F4E1E ΔE 0.051
- Green Brown #544E03 ΔE 0.052
- Mud #735C12 ΔE 0.052
- Medium Brown #7F5112 ΔE 0.053
- Greeny Brown #696006 ΔE 0.060
- Army Green #4B5D16 ΔE 0.063
Use #635331 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.