#90543A
Closest named color: Cocoa (#875F42). oklch(50.9% 0.089 43.8), rgb(144, 84, 58).
Aa
White text reads best on this color (5.97:1).
About this color
#90543A is a medium-dark, moderately saturated brown. In OKLCH its lightness is 51%, its chroma 0.089 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Cocoa (#875F42), ΔE 0.030 away. White text reads best on it, at 5.97:1.
| Hue family | Browns |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.089) |
| Temperature | warm |
| Nearest name | Cocoa (#875F42) |
| Black text | 3.51:1 |
| White text | 5.97:1 |
Values
| HEX | #90543A |
| RGB | rgb(144, 84, 58) |
| HSL | hsl(18, 43%, 40%) |
| OKLCH | oklch(50.9% 0.089 43.8) |
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 #90543A | 5.97:1 | AA | Lc -84.8 | Fine for body text |
| Black text on #90543A | 3.51:1 | AA large text | Lc 24.4 | Dividers and decoration only |
| #90543A text on white | 5.97:1 | AA | Lc 79.6 | Fine for body text |
| #90543A text on black | 3.51:1 | AA large text | Lc -22.2 | 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
#F2E7E3
oklch(93.6% 0.013 41.2)
-
Step 200
200
#E8D5CD
oklch(88.6% 0.024 44.3)
-
Step 300
300
#DAB8AB
oklch(80.9% 0.043 42)
-
Step 400
400
#C6937E
oklch(70.7% 0.069 43.4)
-
Step 500
500
#B6785D
oklch(63.1% 0.087 44.3)
-
Step 600
600
#A26043
oklch(55.7% 0.096 44.1)
-
Step 700
700 (this color)
#90543A
oklch(50.9% 0.089 43.8)
-
Step 800
800
#70412C
oklch(42.7% 0.073 44.4)
-
Step 900
900
#5B3728
oklch(37.6% 0.057 43.3)
-
Step 950
950
#352118
oklch(27% 0.035 45)
#90543A 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) | #645C38 | 0.080 |
| Deuteranopia (no green cones) | #726839 | 0.074 |
| Tritanopia (no blue cones) | #9D494E | 0.050 |
| Achromatopsia (no color) | #636363 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90543A
#90543A
oklch(50.9% 0.089 43.8)
- #16708B
#16708B
oklch(50.8% 0.089 223.8)
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 #90543A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cocoa #875F42 ΔE 0.030
- Sienna #A0522D ΔE 0.031
- Sepia #985E2B ΔE 0.039
- Warm Brown #964E02 ΔE 0.040
- Saddle Brown #8B4513 ΔE 0.047
- Burnt Umber #A0450E ΔE 0.047
- Milk Chocolate #7F4E1E ΔE 0.047
- Dirt Brown #836539 ΔE 0.050
Use #90543A 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.