#8A631B
Closest named color: Muddy Brown (#886806). oklch(52.8% 0.099 78.1), rgb(138, 99, 27).
Aa
White text reads best on this color (5.41:1).
About this color
#8A631B is a medium-dark, moderately saturated brown. In OKLCH its lightness is 53%, its chroma 0.099 and its hue 78°. Its hue sits on the warm side of the wheel. The nearest named color is Muddy Brown (#886806), ΔE 0.020 away. White text reads best on it, at 5.41:1.
| Hue family | Browns |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.099) |
| Temperature | warm |
| Nearest name | Muddy Brown (#886806) |
| Black text | 3.88:1 |
| White text | 5.41:1 |
Values
| HEX | #8A631B |
| RGB | rgb(138, 99, 27) |
| HSL | hsl(39, 67%, 32%) |
| OKLCH | oklch(52.8% 0.099 78.1) |
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 #8A631B | 5.41:1 | AA | Lc -82.1 | Fine for body text |
| Black text on #8A631B | 3.88:1 | AA large text | Lc 27.3 | Dividers and decoration only |
| #8A631B text on white | 5.41:1 | AA | Lc 76.8 | Fine for body text |
| #8A631B text on black | 3.88:1 | AA large text | Lc -25.0 | 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
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#EFE9E1
oklch(93.7% 0.013 75.4)
-
Step 200
200
#E2D8C7
oklch(88.6% 0.025 81.1)
-
Step 300
300
#D1BEA1
oklch(81% 0.045 78.4)
-
Step 400
400
#B99C6E
oklch(70.8% 0.071 78.7)
-
Step 500
500
#A88246
oklch(63.1% 0.091 77.3)
-
Step 600
600 (this color)
#8A631B
oklch(52.8% 0.099 78.1)
-
Step 700
700
#7D5918
oklch(49% 0.091 77.6)
-
Step 800
800
#664917
oklch(42.7% 0.076 77.4)
-
Step 900
900
#533D1A
oklch(37.6% 0.059 76.9)
-
Step 950
950
#302410
oklch(26.9% 0.037 78.9)
#8A631B 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) | #72640E | 0.044 |
| Deuteranopia (no green cones) | #7B6E1E | 0.038 |
| Tritanopia (no blue cones) | #975855 | 0.085 |
| Achromatopsia (no color) | #6A6A6A | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8A631B
#8A631B
oklch(52.8% 0.099 78.1)
- #466CA4
#466CA4
oklch(52.9% 0.099 257.9)
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 #8A631B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muddy Brown #886806 ΔE 0.020
- Dirt Brown #836539 ΔE 0.027
- Raw Sienna #9A6200 ΔE 0.029
- Sepia #985E2B ΔE 0.034
- Dirt #8A6E45 ΔE 0.042
- Cocoa #875F42 ΔE 0.044
- Dull Brown #876E4B ΔE 0.048
- Mud #735C12 ΔE 0.048
Use #8A631B 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.