#90644B
Closest named color: Cocoa (#875F42). oklch(54.3% 0.068 50.4), rgb(144, 100, 75).
Aa
White text reads best on this color (5.10:1).
About this color
#90644B is a medium-dark, muted brown. In OKLCH its lightness is 54%, its chroma 0.068 and its hue 50°. Its hue sits on the warm side of the wheel. The nearest named color is Cocoa (#875F42), ΔE 0.024 away. White text reads best on it, at 5.10:1.
| Hue family | Browns |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.068) |
| Temperature | warm |
| Nearest name | Cocoa (#875F42) |
| Black text | 4.11:1 |
| White text | 5.10:1 |
Values
| HEX | #90644B |
| RGB | rgb(144, 100, 75) |
| HSL | hsl(22, 32%, 43%) |
| OKLCH | oklch(54.3% 0.068 50.4) |
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 #90644B | 5.10:1 | AA | Lc -80.5 | Fine for body text |
| Black text on #90644B | 4.11:1 | AA large text | Lc 28.9 | Dividers and decoration only |
| #90644B text on white | 5.10:1 | AA | Lc 75.1 | Fine for body text |
| #90644B text on black | 4.11:1 | AA large text | Lc -26.6 | 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 600.
-
Step 50
50
#F8F5F3
oklch(97.2% 0.004 56.4)
-
Step 100
100
#EFE8E5
oklch(93.6% 0.009 44.9)
-
Step 200
200
#E3D6CF
oklch(88.5% 0.017 50.4)
-
Step 300
300
#D2BBAF
oklch(80.8% 0.031 49.4)
-
Step 400
400
#BB9885
oklch(70.7% 0.05 50)
-
Step 500
500
#A97F67
oklch(63.1% 0.063 51)
-
Step 600
600 (this color)
#90644B
oklch(54.3% 0.068 50.4)
-
Step 700
700
#7E563F
oklch(49.1% 0.064 50.6)
-
Step 800
800
#664734
oklch(42.7% 0.052 52.4)
-
Step 900
900
#533B2E
oklch(37.6% 0.04 49.5)
-
Step 950
950
#31231B
oklch(27% 0.026 51)
#90644B 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) | #706849 | 0.055 |
| Deuteranopia (no green cones) | #7A724B | 0.052 |
| Tritanopia (no blue cones) | #9B5C5E | 0.044 |
| Achromatopsia (no color) | #6E6E6E | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90644B
#90644B
oklch(54.3% 0.068 50.4)
- #437790
#437790
oklch(54.3% 0.068 230.6)
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 #90644B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cocoa #875F42 ΔE 0.024
- Dark Taupe #7F684E ΔE 0.030
- Dull Brown #876E4B ΔE 0.031
- Dirt #8A6E45 ΔE 0.033
- Dirt Brown #836539 ΔE 0.035
- Sepia #985E2B ΔE 0.035
- Earth #A2653E ΔE 0.035
- Grey Brown #7F7053 ΔE 0.040
Use #90644B 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.