#91631F
Closest named color: Raw Sienna (#9A6200). oklch(53.6% 0.101 72.4), rgb(145, 99, 31).
Aa
White text reads best on this color (5.23:1).
About this color
#91631F is a medium-dark, moderately saturated brown. In OKLCH its lightness is 54%, its chroma 0.101 and its hue 72°. 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 5.23:1.
| Hue family | Browns |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.101) |
| Temperature | warm |
| Nearest name | Raw Sienna (#9A6200) |
| Black text | 4.00:1 |
| White text | 5.23:1 |
Values
| HEX | #91631F |
| RGB | rgb(145, 99, 31) |
| HSL | hsl(36, 65%, 35%) |
| OKLCH | oklch(53.6% 0.101 72.4) |
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 #91631F | 5.23:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #91631F | 4.00:1 | AA large text | Lc 28.3 | Dividers and decoration only |
| #91631F text on white | 5.23:1 | AA | Lc 75.8 | Fine for body text |
| #91631F text on black | 4.00:1 | AA large text | Lc -25.9 | 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
#EFE9E1
oklch(93.7% 0.013 75.4)
-
Step 200
200
#E4D7C8
oklch(88.6% 0.025 71.4)
-
Step 300
300
#D3BDA1
oklch(81% 0.046 73.8)
-
Step 400
400
#BD9A6E
oklch(70.8% 0.073 72.6)
-
Step 500
500
#AC8046
oklch(63.1% 0.093 72.4)
-
Step 600
600 (this color)
#91631F
oklch(53.6% 0.101 72.4)
-
Step 700
700
#815718
oklch(49.1% 0.094 72.4)
-
Step 800
800
#694717
oklch(42.7% 0.078 71.8)
-
Step 900
900
#553C1A
oklch(37.7% 0.06 72.5)
-
Step 950
950
#322310
oklch(26.9% 0.038 71.5)
#91631F 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) | #736615 | 0.055 |
| Deuteranopia (no green cones) | #7E7121 | 0.048 |
| Tritanopia (no blue cones) | #9E5755 | 0.083 |
| Achromatopsia (no color) | #6C6C6C | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91631F
#91631F
oklch(53.6% 0.101 72.4)
- #4070A6
#4070A6
oklch(53.6% 0.1 252.7)
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 #91631F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raw Sienna #9A6200 ΔE 0.019
- Sepia #985E2B ΔE 0.023
- Muddy Brown #886806 ΔE 0.027
- Dirt Brown #836539 ΔE 0.031
- Dirt #8A6E45 ΔE 0.039
- Raw Umber #A75E09 ΔE 0.040
- Cocoa #875F42 ΔE 0.043
- Earth #A2653E ΔE 0.045
Use #91631F 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.