#635128
Closest named color: Olive Brown (#645403). oklch(44.4% 0.063 86), rgb(99, 81, 40).
Aa
White text reads best on this color (7.66:1).
About this color
#635128 is a dark, muted brown. In OKLCH its lightness is 44%, its chroma 0.063 and its hue 86°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.031 away. White text reads best on it, at 7.66:1.
| Hue family | Browns |
| Lightness | dark (44%) |
| Chroma | muted (0.063) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.73:1 |
| White text | 7.66:1 |
Values
| HEX | #635128 |
| RGB | rgb(99, 81, 40) |
| HSL | hsl(42, 42%, 27%) |
| OKLCH | oklch(44.4% 0.063 86) |
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 #635128 | 7.66:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #635128 | 2.73:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #635128 text on white | 7.66:1 | AAA | Lc 86.6 | Fine for body text |
| #635128 text on black | 2.73:1 | Fails | Lc -15.5 | 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
#EDE9E2
oklch(93.5% 0.01 81.8)
-
Step 200
200
#DFD8CA
oklch(88.4% 0.02 84.6)
-
Step 300
300
#CBBFA6
oklch(80.8% 0.037 85.4)
-
Step 400
400
#B19F77
oklch(70.8% 0.059 86.5)
-
Step 500
500
#9E8653
oklch(63% 0.075 85.1)
-
Step 600
600
#897037
oklch(55.7% 0.082 85.9)
-
Step 700
700
#745D29
oklch(49% 0.076 85.4)
-
Step 800
800 (this color)
#635128
oklch(44.4% 0.063 86)
-
Step 900
900
#4D4022
oklch(37.7% 0.049 86.6)
-
Step 950
950
#2D2514
oklch(26.9% 0.031 85.2)
#635128 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) | #5A5024 | 0.017 |
| Deuteranopia (no green cones) | #5E5529 | 0.014 |
| Tritanopia (no blue cones) | #6B4B48 | 0.057 |
| Achromatopsia (no color) | #535353 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #635128
#635128
oklch(44.4% 0.063 86)
- #435377
#435377
oklch(44.5% 0.063 265.5)
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 #635128, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.031
- Mud Brown #60460F ΔE 0.035
- Green Brown #544E03 ΔE 0.043
- Milk Chocolate #7F4E1E ΔE 0.050
- Mud #735C12 ΔE 0.051
- Medium Brown #7F5112 ΔE 0.052
- Greeny Brown #696006 ΔE 0.058
- Army Green #4B5D16 ΔE 0.060
Use #635128 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.