#90643A
Closest named color: Sepia (#985E2B). oklch(54% 0.081 63.3), rgb(144, 100, 58).
Aa
White text reads best on this color (5.15:1).
About this color
#90643A is a medium-dark, moderately saturated brown. In OKLCH its lightness is 54%, its chroma 0.081 and its hue 63°. Its hue sits on the warm side of the wheel. The nearest named color is Sepia (#985E2B), ΔE 0.021 away. White text reads best on it, at 5.15:1.
| Hue family | Browns |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.081) |
| Temperature | warm |
| Nearest name | Sepia (#985E2B) |
| Black text | 4.06:1 |
| White text | 5.15:1 |
Values
| HEX | #90643A |
| RGB | rgb(144, 100, 58) |
| HSL | hsl(29, 43%, 40%) |
| OKLCH | oklch(54% 0.081 63.3) |
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 #90643A | 5.15:1 | AA | Lc -80.8 | Fine for body text |
| Black text on #90643A | 4.06:1 | AA large text | Lc 28.7 | Dividers and decoration only |
| #90643A text on white | 5.15:1 | AA | Lc 75.4 | Fine for body text |
| #90643A text on black | 4.06:1 | AA large text | Lc -26.3 | 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
#F8F5F2
oklch(97.2% 0.005 67.8)
-
Step 100
100
#EFE8E3
oklch(93.5% 0.01 58.2)
-
Step 200
200
#E3D7CC
oklch(88.6% 0.02 65.1)
-
Step 300
300
#D2BCA9
oklch(80.9% 0.036 63.1)
-
Step 400
400
#BB997B
oklch(70.6% 0.058 63.1)
-
Step 500
500
#AA8059
oklch(63.2% 0.075 63.7)
-
Step 600
600 (this color)
#90643A
oklch(54% 0.081 63.3)
-
Step 700
700
#7F5731
oklch(49.2% 0.075 63.1)
-
Step 800
800
#674729
oklch(42.6% 0.062 63)
-
Step 900
900
#543C25
oklch(37.7% 0.049 64.2)
-
Step 950
950
#312316
oklch(26.9% 0.031 63.8)
#90643A 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) | #726736 | 0.053 |
| Deuteranopia (no green cones) | #7C713B | 0.047 |
| Tritanopia (no blue cones) | #9C5A5A | 0.062 |
| Achromatopsia (no color) | #6D6D6D | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90643A
#90643A
oklch(54% 0.081 63.3)
- #42749A
#42749A
oklch(54% 0.081 243)
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 #90643A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sepia #985E2B ΔE 0.021
- Dirt Brown #836539 ΔE 0.023
- Cocoa #875F42 ΔE 0.026
- Dirt #8A6E45 ΔE 0.027
- Dull Brown #876E4B ΔE 0.030
- Earth #A2653E ΔE 0.034
- Dark Taupe #7F684E ΔE 0.034
- Raw Sienna #9A6200 ΔE 0.039
Use #90643A 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.