#905B37
Closest named color: Cocoa (#875F42). oklch(52.2% 0.086 53.9), rgb(144, 91, 55).
Aa
White text reads best on this color (5.61:1).
About this color
#905B37 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 52%, its chroma 0.086 and its hue 54°. Its hue sits on the warm side of the wheel. The nearest named color is Cocoa (#875F42), ΔE 0.019 away. White text reads best on it, at 5.61:1.
| Hue family | Browns |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.086) |
| Temperature | warm |
| Nearest name | Cocoa (#875F42) |
| Black text | 3.73:1 |
| White text | 5.61:1 |
Values
| HEX | #905B37 |
| RGB | rgb(144, 91, 55) |
| HSL | hsl(24, 45%, 39%) |
| OKLCH | oklch(52.2% 0.086 53.9) |
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 #905B37 | 5.61:1 | AA | Lc -83.2 | Fine for body text |
| Black text on #905B37 | 3.73:1 | AA large text | Lc 26.2 | Dividers and decoration only |
| #905B37 text on white | 5.61:1 | AA | Lc 77.9 | Fine for body text |
| #905B37 text on black | 3.73:1 | AA large text | Lc -23.9 | 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
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F1E8E2
oklch(93.6% 0.013 56.2)
-
Step 200
200
#E6D5CB
oklch(88.4% 0.023 52.7)
-
Step 300
300
#D7BAA8
oklch(80.9% 0.042 53.8)
-
Step 400
400
#C29679
oklch(70.7% 0.067 54.8)
-
Step 500
500
#B27B57
oklch(63.1% 0.085 53.8)
-
Step 600
600
#9D633C
oklch(55.5% 0.093 53.6)
-
Step 700
700 (this color)
#905B37
oklch(52.2% 0.086 53.9)
-
Step 800
800
#6D4327
oklch(42.6% 0.071 53.3)
-
Step 900
900
#593924
oklch(37.7% 0.056 53.5)
-
Step 950
950
#342216
oklch(27.1% 0.035 54.4)
#905B37 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) | #6A6034 | 0.068 |
| Deuteranopia (no green cones) | #776C37 | 0.062 |
| Tritanopia (no blue cones) | #9D5052 | 0.058 |
| Achromatopsia (no color) | #676767 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #905B37
#905B37
oklch(52.2% 0.086 53.9)
- #2E7193
#2E7193
oklch(52.1% 0.086 234)
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 #905B37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cocoa #875F42 ΔE 0.019
- Sepia #985E2B ΔE 0.022
- Sienna #A0522D ΔE 0.033
- Dirt Brown #836539 ΔE 0.033
- Warm Brown #964E02 ΔE 0.041
- Dark Taupe #7F684E ΔE 0.043
- Earth #A2653E ΔE 0.044
- Raw Sienna #9A6200 ΔE 0.048
Use #905B37 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.