#635339
Closest named color: Olive Brown (#645403). oklch(45.1% 0.045 79.4), rgb(99, 83, 57).
Aa
White text reads best on this color (7.42:1).
About this color
#635339 is a medium-dark, muted brown. In OKLCH its lightness is 45%, its chroma 0.045 and its hue 79°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.050 away. White text reads best on it, at 7.42:1.
| Hue family | Browns |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.045) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.82:1 |
| White text | 7.42:1 |
Values
| HEX | #635339 |
| RGB | rgb(99, 83, 57) |
| HSL | hsl(37, 27%, 31%) |
| OKLCH | oklch(45.1% 0.045 79.4) |
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 #635339 | 7.42:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #635339 | 2.82:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #635339 text on white | 7.42:1 | AAA | Lc 85.8 | Fine for body text |
| #635339 text on black | 2.82:1 | Fails | Lc -16.2 | 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
#F7F5F3
oklch(97.1% 0.003 67.8)
-
Step 100
100
#ECE9E4
oklch(93.5% 0.007 80.7)
-
Step 200
200
#DED8CF
oklch(88.4% 0.014 78.3)
-
Step 300
300
#CABFAE
oklch(80.9% 0.026 78.9)
-
Step 400
400
#AF9E84
oklch(70.7% 0.041 78.4)
-
Step 500
500
#9B8665
oklch(63.1% 0.053 78.8)
-
Step 600
600
#86704C
oklch(55.7% 0.058 79.4)
-
Step 700
700
#715D3D
oklch(49% 0.053 78.8)
-
Step 800
800 (this color)
#635339
oklch(45.1% 0.045 79.4)
-
Step 900
900
#4C402C
oklch(37.8% 0.036 80.1)
-
Step 950
950
#2C251A
oklch(26.9% 0.022 78.8)
#635339 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) | #5A5337 | 0.016 |
| Deuteranopia (no green cones) | #5E573A | 0.014 |
| Tritanopia (no blue cones) | #6A4E4C | 0.039 |
| Achromatopsia (no color) | #555555 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #635339
#635339
oklch(45.1% 0.045 79.4)
- #47566F
#47566F
oklch(45.1% 0.045 260.5)
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 #635339, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.050
- Mud Brown #60460F ΔE 0.051
- Milk Chocolate #7F4E1E ΔE 0.054
- Medium Brown #7F5112 ΔE 0.058
- Mud #735C12 ΔE 0.059
- Green Brown #544E03 ΔE 0.061
- Greeny Brown #696006 ΔE 0.068
- Army Green #4B5D16 ΔE 0.071
Use #635339 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.