#6D351B
Closest named color: Chestnut (#742802). oklch(39.7% 0.088 44.1), rgb(109, 53, 27).
Aa
White text reads best on this color (9.65:1).
About this color
#6D351B is a dark, moderately saturated brown. In OKLCH its lightness is 40%, its chroma 0.088 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.030 away. White text reads best on it, at 9.65:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.088) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.17:1 |
| White text | 9.65:1 |
Values
| HEX | #6D351B |
| RGB | rgb(109, 53, 27) |
| HSL | hsl(19, 60%, 27%) |
| OKLCH | oklch(39.7% 0.088 44.1) |
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 #6D351B | 9.65:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #6D351B | 2.17:1 | Fails | Lc 12.0 | Not readable |
| #6D351B text on white | 9.65:1 | AAA | Lc 92.0 | Preferred for body text |
| #6D351B text on black | 2.17:1 | Fails | Lc -10.4 | 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
#F6E6E0
oklch(93.6% 0.019 41.8)
-
Step 200
200
#EFD2C6
oklch(88.5% 0.037 43.8)
-
Step 300
300
#E6B49E
oklch(80.9% 0.066 44.9)
-
Step 400
400
#D88A69
oklch(70.6% 0.106 43.6)
-
Step 500
500
#CB6B3F
oklch(63.1% 0.135 44.1)
-
Step 600
600
#B7501A
oklch(55.6% 0.148 44.1)
-
Step 700
700
#9D400B
oklch(49.1% 0.137 44)
-
Step 800
800
#80360F
oklch(42.8% 0.113 44.2)
-
Step 900
900 (this color)
#6D351B
oklch(39.7% 0.088 44.1)
-
Step 950
950
#3C1C0E
oklch(26.9% 0.055 43.5)
#6D351B 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) | #443D18 | 0.082 |
| Deuteranopia (no green cones) | #52491A | 0.074 |
| Tritanopia (no blue cones) | #782A2F | 0.047 |
| Achromatopsia (no color) | #454545 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D351B
#6D351B
oklch(39.7% 0.088 44.1)
- #004F65
#004F65
oklch(39.8% 0.075 224.5)
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 #6D351B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.030
- Purple Brown #673A3F ΔE 0.048
- Mud Brown #60460F ΔE 0.056
- Red Brown #8B2E16 ΔE 0.061
- Rust Brown #8B3103 ΔE 0.061
- Reddy Brown #6E1005 ΔE 0.068
- Brownish Purple #76424E ΔE 0.073
- Brown Red #922B05 ΔE 0.074
Use #6D351B 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.