#90573B
Closest named color: Cocoa (#875F42). oklch(51.5% 0.086 46.4), rgb(144, 87, 59).
Aa
White text reads best on this color (5.81:1).
About this color
#90573B is a medium-dark, moderately saturated brown. In OKLCH its lightness is 52%, its chroma 0.086 and its hue 46°. 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 5.81:1.
| Hue family | Browns |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.086) |
| Temperature | warm |
| Nearest name | Cocoa (#875F42) |
| Black text | 3.61:1 |
| White text | 5.81:1 |
Values
| HEX | #90573B |
| RGB | rgb(144, 87, 59) |
| HSL | hsl(20, 42%, 40%) |
| OKLCH | oklch(51.5% 0.086 46.4) |
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 #90573B | 5.81:1 | AA | Lc -84.1 | Fine for body text |
| Black text on #90573B | 3.61:1 | AA large text | Lc 25.2 | Dividers and decoration only |
| #90573B text on white | 5.81:1 | AA | Lc 78.9 | Fine for body text |
| #90573B text on black | 3.61:1 | AA large text | Lc -22.9 | 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
#F1E8E3
oklch(93.7% 0.012 51.3)
-
Step 200
200
#E7D5CD
oklch(88.5% 0.023 45.6)
-
Step 300
300
#D8B9AA
oklch(80.8% 0.041 47.4)
-
Step 400
400
#C4947D
oklch(70.6% 0.067 46.8)
-
Step 500
500
#B5795D
oklch(63.2% 0.086 45.8)
-
Step 600
600
#A06143
oklch(55.6% 0.093 45.8)
-
Step 700
700 (this color)
#90573B
oklch(51.5% 0.086 46.4)
-
Step 800
800
#6F422C
oklch(42.7% 0.071 46.3)
-
Step 900
900
#5A3828
oklch(37.7% 0.055 45.8)
-
Step 950
950
#352117
oklch(27% 0.036 47.3)
#90573B 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) | #665E39 | 0.076 |
| Deuteranopia (no green cones) | #746A3B | 0.069 |
| Tritanopia (no blue cones) | #9D4D50 | 0.050 |
| Achromatopsia (no color) | #656565 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90573B
#90573B
oklch(51.5% 0.086 46.4)
- #22718D
#22718D
oklch(51.4% 0.086 226.2)
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 #90573B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cocoa #875F42 ΔE 0.024
- Sienna #A0522D ΔE 0.031
- Sepia #985E2B ΔE 0.033
- Warm Brown #964E02 ΔE 0.042
- Dirt Brown #836539 ΔE 0.044
- Dark Taupe #7F684E ΔE 0.049
- Milk Chocolate #7F4E1E ΔE 0.050
- Burnt Umber #A0450E ΔE 0.051
Use #90573B 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.