#91640F
Closest named color: Raw Sienna (#9A6200). oklch(53.7% 0.108 76.4), rgb(145, 100, 15).
Aa
White text reads best on this color (5.20:1).
About this color
#91640F is a medium-dark, moderately saturated brown. In OKLCH its lightness is 54%, its chroma 0.108 and its hue 76°. Its hue sits on the warm side of the wheel. The nearest named color is Raw Sienna (#9A6200), ΔE 0.016 away. White text reads best on it, at 5.20:1.
| Hue family | Browns |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.108) |
| Temperature | warm |
| Nearest name | Raw Sienna (#9A6200) |
| Black text | 4.03:1 |
| White text | 5.20:1 |
Values
| HEX | #91640F |
| RGB | rgb(145, 100, 15) |
| HSL | hsl(39, 81%, 31%) |
| OKLCH | oklch(53.7% 0.108 76.4) |
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 #91640F | 5.20:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #91640F | 4.03:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #91640F text on white | 5.20:1 | AA | Lc 75.6 | Fine for body text |
| #91640F text on black | 4.03:1 | AA large text | Lc -26.2 | 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
#E4D7C6
oklch(88.5% 0.027 74.7)
-
Step 300
300
#D3BD9E
oklch(80.9% 0.049 76.4)
-
Step 400
400
#BC9A69
oklch(70.6% 0.077 76.1)
-
Step 500
500
#AC813E
oklch(63.2% 0.1 76.3)
-
Step 600
600 (this color)
#91640F
oklch(53.7% 0.108 76.4)
-
Step 700
700
#815807
oklch(49.2% 0.101 76.5)
-
Step 800
800
#68480D
oklch(42.7% 0.083 77.1)
-
Step 900
900
#553C15
oklch(37.6% 0.064 75.4)
-
Step 950
950
#32240E
oklch(27.1% 0.041 76.9)
#91640F 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) | #756600 | 0.051 |
| Deuteranopia (no green cones) | #7F7114 | 0.045 |
| Tritanopia (no blue cones) | #9F5855 | 0.091 |
| Achromatopsia (no color) | #6D6D6D | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91640F
#91640F
oklch(53.7% 0.108 76.4)
- #426FAB
#426FAB
oklch(53.7% 0.107 256.1)
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 #91640F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raw Sienna #9A6200 ΔE 0.016
- Muddy Brown #886806 ΔE 0.020
- Sepia #985E2B ΔE 0.032
- Dirt Brown #836539 ΔE 0.037
- Raw Umber #A75E09 ΔE 0.041
- Dirt #8A6E45 ΔE 0.045
- Hazel #8E7618 ΔE 0.048
- Dull Brown #876E4B ΔE 0.051
Use #91640F 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.