#90643D
Closest named color: Sepia (#985E2B). oklch(54.1% 0.079 61.5), rgb(144, 100, 61).
Aa
White text reads best on this color (5.15:1).
About this color
#90643D is a medium-dark, moderately saturated brown. In OKLCH its lightness is 54%, its chroma 0.079 and its hue 62°. Its hue sits on the warm side of the wheel. The nearest named color is Sepia (#985E2B), ΔE 0.022 away. White text reads best on it, at 5.15:1.
| Hue family | Browns |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.079) |
| Temperature | warm |
| Nearest name | Sepia (#985E2B) |
| Black text | 4.07:1 |
| White text | 5.15:1 |
Values
| HEX | #90643D |
| RGB | rgb(144, 100, 61) |
| HSL | hsl(28, 40%, 40%) |
| OKLCH | oklch(54.1% 0.079 61.5) |
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 #90643D | 5.15:1 | AA | Lc -80.7 | Fine for body text |
| Black text on #90643D | 4.07:1 | AA large text | Lc 28.7 | Dividers and decoration only |
| #90643D text on white | 5.15:1 | AA | Lc 75.4 | Fine for body text |
| #90643D text on black | 4.07:1 | AA large text | Lc -26.4 | 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
#D2BCAA
oklch(80.9% 0.035 61.6)
-
Step 400
400
#BB997D
oklch(70.7% 0.056 61.2)
-
Step 500
500
#AA805C
oklch(63.2% 0.072 61.6)
-
Step 600
600 (this color)
#90643D
oklch(54.1% 0.079 61.5)
-
Step 700
700
#7F5733
oklch(49.2% 0.074 61.8)
-
Step 800
800
#67472B
oklch(42.7% 0.061 61.3)
-
Step 900
900
#543C27
oklch(37.8% 0.047 61.8)
-
Step 950
950
#312317
oklch(26.9% 0.03 61.6)
#90643D 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) | #72673A | 0.052 |
| Deuteranopia (no green cones) | #7C713D | 0.048 |
| Tritanopia (no blue cones) | #9C5B5B | 0.058 |
| Achromatopsia (no color) | #6D6D6D | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90643D
#90643D
oklch(54.1% 0.079 61.5)
- #427499
#427499
oklch(54% 0.08 242.3)
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 #90643D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sepia #985E2B ΔE 0.022
- Cocoa #875F42 ΔE 0.024
- Dirt Brown #836539 ΔE 0.024
- Dirt #8A6E45 ΔE 0.027
- Dull Brown #876E4B ΔE 0.029
- Dark Taupe #7F684E ΔE 0.033
- Earth #A2653E ΔE 0.033
- Grey Brown #7F7053 ΔE 0.041
Use #90643D 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.