#90521F
Closest named color: Warm Brown (#964E02). oklch(50.2% 0.104 56.2), rgb(144, 82, 31).
Aa
White text reads best on this color (6.15:1).
About this color
#90521F is a medium-dark, moderately saturated brown. In OKLCH its lightness is 50%, its chroma 0.104 and its hue 56°. Its hue sits on the warm side of the wheel. The nearest named color is Warm Brown (#964E02), ΔE 0.017 away. White text reads best on it, at 6.15:1.
| Hue family | Browns |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.104) |
| Temperature | warm |
| Nearest name | Warm Brown (#964E02) |
| Black text | 3.41:1 |
| White text | 6.15:1 |
Values
| HEX | #90521F |
| RGB | rgb(144, 82, 31) |
| HSL | hsl(27, 65%, 34%) |
| OKLCH | oklch(50.2% 0.104 56.2) |
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 #90521F | 6.15:1 | AA | Lc -85.5 | Fine for body text |
| Black text on #90521F | 3.41:1 | AA large text | Lc 23.7 | Dividers and decoration only |
| #90521F text on white | 6.15:1 | AA | Lc 80.4 | Fine for body text |
| #90521F text on black | 3.41:1 | AA large text | Lc -21.5 | 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
#F9F4F1
oklch(97% 0.007 53.4)
-
Step 100
100
#F2E8E1
oklch(93.7% 0.014 57.6)
-
Step 200
200
#E8D5C8
oklch(88.5% 0.028 56.7)
-
Step 300
300
#DBB9A2
oklch(80.9% 0.05 56)
-
Step 400
400
#C8946F
oklch(70.8% 0.081 56.4)
-
Step 500
500
#B97848
oklch(63.1% 0.104 56)
-
Step 600
600
#A46029
oklch(55.6% 0.112 56.3)
-
Step 700
700 (this color)
#90521F
oklch(50.2% 0.104 56.2)
-
Step 800
800
#724119
oklch(42.7% 0.086 56.4)
-
Step 900
900
#5C371B
oklch(37.6% 0.067 56)
-
Step 950
950
#362111
oklch(27% 0.042 57.1)
#90521F 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) | #645918 | 0.083 |
| Deuteranopia (no green cones) | #73671F | 0.074 |
| Tritanopia (no blue cones) | #9E4547 | 0.069 |
| Achromatopsia (no color) | #616161 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90521F
#90521F
oklch(50.2% 0.104 56.2)
- #0D6C97
#0D6C97
oklch(50.3% 0.104 235.9)
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 #90521F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Brown #964E02 ΔE 0.017
- Saddle Brown #8B4513 ΔE 0.034
- Sienna #A0522D ΔE 0.035
- Medium Brown #7F5112 ΔE 0.035
- Sepia #985E2B ΔE 0.035
- Milk Chocolate #7F4E1E ΔE 0.035
- Burnt Umber #A0450E ΔE 0.038
- Cocoa #875F42 ΔE 0.041
Use #90521F 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.