#6D381F
Closest named color: Chestnut (#742802). oklch(40.3% 0.084 44.8), rgb(109, 56, 31).
Aa
White text reads best on this color (9.39:1).
About this color
#6D381F is a dark, moderately saturated brown. In OKLCH its lightness is 40%, its chroma 0.084 and its hue 45°. 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 9.39:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.084) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.23:1 |
| White text | 9.39:1 |
Values
| HEX | #6D381F |
| RGB | rgb(109, 56, 31) |
| HSL | hsl(19, 56%, 27%) |
| OKLCH | oklch(40.3% 0.084 44.8) |
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 #6D381F | 9.39:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #6D381F | 2.23:1 | Fails | Lc 12.6 | Not readable |
| #6D381F text on white | 9.39:1 | AAA | Lc 91.4 | Preferred for body text |
| #6D381F text on black | 2.23:1 | Fails | Lc -11.0 | 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 800.
-
Step 50
50
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F3E7E2
oklch(93.6% 0.015 44.2)
-
Step 200
200
#EAD4CB
oklch(88.6% 0.028 43.6)
-
Step 300
300
#DDB7A7
oklch(80.9% 0.049 44.1)
-
Step 400
400
#CA9178
oklch(70.6% 0.078 44.6)
-
Step 500
500
#BC7555
oklch(63.1% 0.101 44.7)
-
Step 600
600
#A75C3A
oklch(55.5% 0.109 44.3)
-
Step 700
700
#8F4C2C
oklch(49.1% 0.101 45.1)
-
Step 800
800 (this color)
#6D381F
oklch(40.3% 0.084 44.8)
-
Step 900
900
#5E3623
oklch(37.8% 0.065 45.6)
-
Step 950
950
#372015
oklch(27% 0.041 46.1)
#6D381F 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) | #463F1C | 0.077 |
| Deuteranopia (no green cones) | #534B1E | 0.070 |
| Tritanopia (no blue cones) | #782E32 | 0.045 |
| Achromatopsia (no color) | #464646 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D381F
#6D381F
oklch(40.3% 0.084 44.8)
- #005167
#005167
oklch(40.4% 0.076 224)
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 #6D381F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.036
- Purple Brown #673A3F ΔE 0.045
- Mud Brown #60460F ΔE 0.052
- Rust Brown #8B3103 ΔE 0.060
- Red Brown #8B2E16 ΔE 0.061
- Brownish Purple #76424E ΔE 0.068
- Milk Chocolate #7F4E1E ΔE 0.073
- Saddle Brown #8B4513 ΔE 0.074
Use #6D381F 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.