#91663B
Closest named color: Dirt (#8A6E45). oklch(54.6% 0.081 64.7), rgb(145, 102, 59).
Aa
White text reads best on this color (5.03:1).
About this color
#91663B is a medium-dark, moderately saturated brown. In OKLCH its lightness is 55%, its chroma 0.081 and its hue 65°. Its hue sits on the warm side of the wheel. The nearest named color is Dirt (#8A6E45), ΔE 0.023 away. White text reads best on it, at 5.03:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.081) |
| Temperature | warm |
| Nearest name | Dirt (#8A6E45) |
| Black text | 4.16:1 |
| White text | 5.03:1 |
Values
| HEX | #91663B |
| RGB | rgb(145, 102, 59) |
| HSL | hsl(30, 42%, 40%) |
| OKLCH | oklch(54.6% 0.081 64.7) |
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 #91663B | 5.03:1 | AA | Lc -80.1 | Fine for body text |
| Black text on #91663B | 4.16:1 | AA large text | Lc 29.4 | Dividers and decoration only |
| #91663B text on white | 5.03:1 | AA | Lc 74.7 | Content text, not long reading |
| #91663B text on black | 4.16:1 | AA large text | Lc -27.0 | 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
#EFE9E3
oklch(93.7% 0.01 67.7)
-
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
#BB9A7B
oklch(70.8% 0.058 64.9)
-
Step 500
500
#A98059
oklch(63.1% 0.074 64.4)
-
Step 600
600 (this color)
#91663B
oklch(54.6% 0.081 64.7)
-
Step 700
700
#7E5730
oklch(49% 0.075 64.5)
-
Step 800
800
#674829
oklch(42.9% 0.062 64.8)
-
Step 900
900
#543C25
oklch(37.7% 0.049 64.2)
-
Step 950
950
#312316
oklch(26.9% 0.031 63.8)
#91663B 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) | #746937 | 0.051 |
| Deuteranopia (no green cones) | #7E733C | 0.046 |
| Tritanopia (no blue cones) | #9D5C5C | 0.063 |
| Achromatopsia (no color) | #6F6F6F | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91663B
#91663B
oklch(54.6% 0.081 64.7)
- #45759C
#45759C
oklch(54.5% 0.081 244.6)
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 #91663B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dirt #8A6E45 ΔE 0.023
- Sepia #985E2B ΔE 0.023
- Dirt Brown #836539 ΔE 0.025
- Dull Brown #876E4B ΔE 0.027
- Cocoa #875F42 ΔE 0.030
- Earth #A2653E ΔE 0.031
- Dark Taupe #7F684E ΔE 0.036
- Raw Sienna #9A6200 ΔE 0.038
Use #91663B 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.