#6B3118
Closest named color: Chestnut (#742802). oklch(38.7% 0.091 42.6), rgb(107, 49, 24).
Aa
White text reads best on this color (10.10:1).
About this color
#6B3118 is a dark, moderately saturated brown. In OKLCH its lightness is 39%, its chroma 0.091 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.025 away. White text reads best on it, at 10.10:1.
| Hue family | Browns |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.091) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.07:1 |
| White text | 10.10:1 |
Values
| HEX | #6B3118 |
| RGB | rgb(107, 49, 24) |
| HSL | hsl(18, 63%, 26%) |
| OKLCH | oklch(38.7% 0.091 42.6) |
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 #6B3118 | 10.10:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #6B3118 | 2.07:1 | Fails | Lc 10.9 | Not readable |
| #6B3118 text on white | 10.10:1 | AAA | Lc 93.0 | Preferred for body text |
| #6B3118 text on black | 2.07:1 | Fails | Lc -9.5 | 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
#F0D2C6
oklch(88.6% 0.038 43.1)
-
Step 300
300
#E8B39E
oklch(81% 0.069 42.6)
-
Step 400
400
#DA8969
oklch(70.7% 0.109 42.2)
-
Step 500
500
#CD693F
oklch(63% 0.139 42.5)
-
Step 600
600
#B94E1B
oklch(55.6% 0.151 42.5)
-
Step 700
700
#9F3E0B
oklch(49.1% 0.141 42.5)
-
Step 800
800
#81340F
oklch(42.7% 0.116 42.6)
-
Step 900
900 (this color)
#6B3118
oklch(38.7% 0.091 42.6)
-
Step 950
950
#3D1C0E
oklch(27% 0.057 42.9)
#6B3118 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) | #413A15 | 0.085 |
| Deuteranopia (no green cones) | #4F4717 | 0.079 |
| Tritanopia (no blue cones) | #76252C | 0.047 |
| Achromatopsia (no color) | #424242 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B3118
#6B3118
oklch(38.7% 0.091 42.6)
- #004C60
#004C60
oklch(38.7% 0.072 223)
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 #6B3118, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.025
- Purple Brown #673A3F ΔE 0.051
- Reddy Brown #6E1005 ΔE 0.058
- Mud Brown #60460F ΔE 0.063
- Red Brown #8B2E16 ΔE 0.066
- Rust Brown #8B3103 ΔE 0.067
- Blood #770001 ΔE 0.069
- Maroon #800000 ΔE 0.070
Use #6B3118 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.