#905A37
Closest named color: Cocoa (#875F42). oklch(52% 0.087 52.7), rgb(144, 90, 55).
Aa
White text reads best on this color (5.67:1).
About this color
#905A37 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 52%, its chroma 0.087 and its hue 53°. Its hue sits on the warm side of the wheel. The nearest named color is Cocoa (#875F42), ΔE 0.020 away. White text reads best on it, at 5.67:1.
| Hue family | Browns |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.087) |
| Temperature | warm |
| Nearest name | Cocoa (#875F42) |
| Black text | 3.70:1 |
| White text | 5.67:1 |
Values
| HEX | #905A37 |
| RGB | rgb(144, 90, 55) |
| HSL | hsl(24, 45%, 39%) |
| OKLCH | oklch(52% 0.087 52.7) |
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 #905A37 | 5.67:1 | AA | Lc -83.4 | Fine for body text |
| Black text on #905A37 | 3.70:1 | AA large text | Lc 25.9 | Dividers and decoration only |
| #905A37 text on white | 5.67:1 | AA | Lc 78.2 | Fine for body text |
| #905A37 text on black | 3.70:1 | AA large text | Lc -23.6 | 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
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F1E8E3
oklch(93.7% 0.012 51.3)
-
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
#C3957A
oklch(70.6% 0.067 51.7)
-
Step 500
500
#B37B57
oklch(63.2% 0.086 53.3)
-
Step 600
600
#9E633D
oklch(55.6% 0.093 52.5)
-
Step 700
700 (this color)
#905A37
oklch(52% 0.087 52.7)
-
Step 800
800
#6E4327
oklch(42.7% 0.073 52.7)
-
Step 900
900
#593924
oklch(37.7% 0.056 53.5)
-
Step 950
950
#342116
oklch(26.9% 0.035 50.8)
#905A37 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) | #696034 | 0.070 |
| Deuteranopia (no green cones) | #766C37 | 0.065 |
| Tritanopia (no blue cones) | #9D4F52 | 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°).
- #905A37
#905A37
oklch(52% 0.087 52.7)
- #2B7193
#2B7193
oklch(52% 0.087 233.2)
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 #905A37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cocoa #875F42 ΔE 0.020
- Sepia #985E2B ΔE 0.024
- Sienna #A0522D ΔE 0.032
- Dirt Brown #836539 ΔE 0.035
- Warm Brown #964E02 ΔE 0.040
- Dark Taupe #7F684E ΔE 0.045
- Earth #A2653E ΔE 0.046
- Raw Sienna #9A6200 ΔE 0.050
Use #905A37 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.