#90573F
Closest named color: Cocoa (#875F42). oklch(51.6% 0.084 43.4), rgb(144, 87, 63).
Aa
White text reads best on this color (5.79:1).
About this color
#90573F is a medium-dark, moderately saturated brown. In OKLCH its lightness is 52%, its chroma 0.084 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Cocoa (#875F42), ΔE 0.025 away. White text reads best on it, at 5.79:1.
| Hue family | Browns |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.084) |
| Temperature | warm |
| Nearest name | Cocoa (#875F42) |
| Black text | 3.62:1 |
| White text | 5.79:1 |
Values
| HEX | #90573F |
| RGB | rgb(144, 87, 63) |
| HSL | hsl(18, 39%, 41%) |
| OKLCH | oklch(51.6% 0.084 43.4) |
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 #90573F | 5.79:1 | AA | Lc -84.0 | Fine for body text |
| Black text on #90573F | 3.62:1 | AA large text | Lc 25.3 | Dividers and decoration only |
| #90573F text on white | 5.79:1 | AA | Lc 78.8 | Fine for body text |
| #90573F text on black | 3.62:1 | AA large text | Lc -23.0 | 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
#F1E8E4
oklch(93.7% 0.011 45.7)
-
Step 200
200
#E7D5CD
oklch(88.5% 0.023 45.6)
-
Step 300
300
#D8B9AC
oklch(80.9% 0.04 44.1)
-
Step 400
400
#C49480
oklch(70.7% 0.065 43.7)
-
Step 500
500
#B47960
oklch(63.1% 0.083 43.8)
-
Step 600
600
#9F6147
oklch(55.6% 0.09 43.3)
-
Step 700
700 (this color)
#90573F
oklch(51.6% 0.084 43.4)
-
Step 800
800
#6F422F
oklch(42.8% 0.07 43.4)
-
Step 900
900
#5A382A
oklch(37.8% 0.054 43.1)
-
Step 950
950
#352119
oklch(27.1% 0.034 42.6)
#90573F 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) | #665E3D | 0.076 |
| Deuteranopia (no green cones) | #746A3F | 0.069 |
| Tritanopia (no blue cones) | #9C4D51 | 0.046 |
| Achromatopsia (no color) | #656565 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90573F
#90573F
oklch(51.6% 0.084 43.4)
- #22728B
#22728B
oklch(51.6% 0.084 223.2)
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 #90573F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cocoa #875F42 ΔE 0.025
- Sienna #A0522D ΔE 0.033
- Sepia #985E2B ΔE 0.037
- Warm Brown #964E02 ΔE 0.046
- Dirt Brown #836539 ΔE 0.046
- Dark Taupe #7F684E ΔE 0.049
- Earth #A2653E ΔE 0.053
- Milk Chocolate #7F4E1E ΔE 0.053
Use #90573F 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.