#6D370F
Closest named color: Chestnut (#742802). oklch(40% 0.092 52.3), rgb(109, 55, 15).
Aa
White text reads best on this color (9.52:1).
About this color
#6D370F is a dark, moderately saturated brown. In OKLCH its lightness is 40%, its chroma 0.092 and its hue 52°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.033 away. White text reads best on it, at 9.52:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.092) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.20:1 |
| White text | 9.52:1 |
Values
| HEX | #6D370F |
| RGB | rgb(109, 55, 15) |
| HSL | hsl(26, 76%, 24%) |
| OKLCH | oklch(40% 0.092 52.3) |
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 #6D370F | 9.52:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #6D370F | 2.20:1 | Fails | Lc 12.3 | Not readable |
| #6D370F text on white | 9.52:1 | AAA | Lc 91.7 | Preferred for body text |
| #6D370F text on black | 2.20:1 | Fails | Lc -10.7 | 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
#FBF4F0
oklch(97.1% 0.009 52.1)
-
Step 100
100
#F5E7DE
oklch(93.7% 0.02 55.1)
-
Step 200
200
#EFD3C3
oklch(88.6% 0.038 51.7)
-
Step 300
300
#E5B598
oklch(80.9% 0.068 52.6)
-
Step 400
400
#D78C5E
oklch(70.7% 0.11 51.7)
-
Step 500
500
#CA6D2B
oklch(63.1% 0.141 52)
-
Step 600
600
#B25600
oklch(55.7% 0.143 52.2)
-
Step 700
700
#964800
oklch(49.2% 0.125 52.6)
-
Step 800
800
#7C3A00
oklch(42.8% 0.11 52.3)
-
Step 900
900 (this color)
#6D370F
oklch(40% 0.092 52.3)
-
Step 950
950
#3C1D08
oklch(27% 0.058 51.7)
#6D370F 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) | #473E09 | 0.077 |
| Deuteranopia (no green cones) | #544A0E | 0.069 |
| Tritanopia (no blue cones) | #782B2F | 0.057 |
| Achromatopsia (no color) | #454545 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D370F
#6D370F
oklch(40% 0.092 52.3)
- #004E6C
#004E6C
oklch(39.9% 0.082 232.8)
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 #6D370F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.033
- Mud Brown #60460F ΔE 0.046
- Purple Brown #673A3F ΔE 0.059
- Rust Brown #8B3103 ΔE 0.060
- Red Brown #8B2E16 ΔE 0.063
- Milk Chocolate #7F4E1E ΔE 0.073
- Saddle Brown #8B4513 ΔE 0.074
- Reddy Brown #6E1005 ΔE 0.075
Use #6D370F 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.