#90641B
Closest named color: Raw Sienna (#9A6200). oklch(53.7% 0.102 75), rgb(144, 100, 27).
Aa
White text reads best on this color (5.21:1).
About this color
#90641B is a medium-dark, moderately saturated brown. In OKLCH its lightness is 54%, its chroma 0.102 and its hue 75°. Its hue sits on the warm side of the wheel. The nearest named color is Raw Sienna (#9A6200), ΔE 0.019 away. White text reads best on it, at 5.21:1.
| Hue family | Browns |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.102) |
| Temperature | warm |
| Nearest name | Raw Sienna (#9A6200) |
| Black text | 4.02:1 |
| White text | 5.21:1 |
Values
| HEX | #90641B |
| RGB | rgb(144, 100, 27) |
| HSL | hsl(37, 68%, 34%) |
| OKLCH | oklch(53.7% 0.102 75) |
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 #90641B | 5.21:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #90641B | 4.02:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #90641B text on white | 5.21:1 | AA | Lc 75.7 | Fine for body text |
| #90641B text on black | 4.02:1 | AA large text | Lc -26.1 | 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
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#EFE9E0
oklch(93.6% 0.014 78.3)
-
Step 200
200
#E3D7C7
oklch(88.4% 0.025 75.3)
-
Step 300
300
#D2BDA0
oklch(80.9% 0.046 75.9)
-
Step 400
400
#BC9A6C
oklch(70.6% 0.074 74.5)
-
Step 500
500
#AB8144
oklch(63.2% 0.094 74.9)
-
Step 600
600 (this color)
#90641B
oklch(53.7% 0.102 75)
-
Step 700
700
#805814
oklch(49.2% 0.095 75.2)
-
Step 800
800
#684814
oklch(42.7% 0.079 75.2)
-
Step 900
900
#553C18
oklch(37.6% 0.062 73.8)
-
Step 950
950
#32240F
oklch(27.2% 0.04 75.9)
#90641B 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) | #74660E | 0.051 |
| Deuteranopia (no green cones) | #7E711E | 0.045 |
| Tritanopia (no blue cones) | #9D5856 | 0.087 |
| Achromatopsia (no color) | #6C6C6C | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90641B
#90641B
oklch(53.7% 0.102 75)
- #436FA8
#436FA8
oklch(53.6% 0.103 255.5)
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 #90641B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raw Sienna #9A6200 ΔE 0.019
- Muddy Brown #886806 ΔE 0.022
- Sepia #985E2B ΔE 0.028
- Dirt Brown #836539 ΔE 0.032
- Dirt #8A6E45 ΔE 0.040
- Raw Umber #A75E09 ΔE 0.042
- Dull Brown #876E4B ΔE 0.046
- Cocoa #875F42 ΔE 0.047
Use #90641B 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.