#6C381A
Closest named color: Chestnut (#742802). oklch(40.1% 0.085 48.5), rgb(108, 56, 26).
Aa
White text reads best on this color (9.46:1).
About this color
#6C381A is a dark, moderately saturated brown. In OKLCH its lightness is 40%, its chroma 0.085 and its hue 48°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.036 away. White text reads best on it, at 9.46:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.085) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.21:1 |
| White text | 9.46:1 |
Values
| HEX | #6C381A |
| RGB | rgb(108, 56, 26) |
| HSL | hsl(22, 61%, 26%) |
| OKLCH | oklch(40.1% 0.085 48.5) |
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 #6C381A | 9.46:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #6C381A | 2.21:1 | Fails | Lc 12.4 | Not readable |
| #6C381A text on white | 9.46:1 | AAA | Lc 91.6 | Preferred for body text |
| #6C381A text on black | 2.21:1 | Fails | Lc -10.8 | Not readable |
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 900.
-
Step 50
50
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F5E7DF
oklch(93.7% 0.019 52)
-
Step 200
200
#EED3C5
oklch(88.6% 0.036 49.2)
-
Step 300
300
#E4B59D
oklch(80.9% 0.064 48.4)
-
Step 400
400
#D58D67
oklch(70.8% 0.102 48.4)
-
Step 500
500
#C86E3B
oklch(63.1% 0.131 48.3)
-
Step 600
600
#B35414
oklch(55.6% 0.142 48.3)
-
Step 700
700
#9A4402
oklch(49.2% 0.132 48.4)
-
Step 800
800
#7D380A
oklch(42.6% 0.11 48)
-
Step 900
900 (this color)
#6C381A
oklch(40.1% 0.085 48.5)
-
Step 950
950
#3B1D0D
oklch(26.9% 0.054 47.4)
#6C381A 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) | #473F17 | 0.074 |
| Deuteranopia (no green cones) | #534A19 | 0.067 |
| Tritanopia (no blue cones) | #772D31 | 0.050 |
| Achromatopsia (no color) | #464646 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C381A
#6C381A
oklch(40.1% 0.085 48.5)
- #004F69
#004F69
oklch(40% 0.079 228.7)
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 #6C381A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.036
- Mud Brown #60460F ΔE 0.048
- Purple Brown #673A3F ΔE 0.050
- Rust Brown #8B3103 ΔE 0.062
- Red Brown #8B2E16 ΔE 0.063
- Milk Chocolate #7F4E1E ΔE 0.073
- Brownish Purple #76424E ΔE 0.074
- Saddle Brown #8B4513 ΔE 0.075
Use #6C381A 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.