#6B401D
Closest named color: Mud Brown (#60460F). oklch(41.5% 0.077 57.4), rgb(107, 64, 29).
Aa
White text reads best on this color (8.83:1).
About this color
#6B401D is a dark, moderately saturated brown. In OKLCH its lightness is 42%, its chroma 0.077 and its hue 57°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.032 away. White text reads best on it, at 8.83:1.
| Hue family | Browns |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.077) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.37:1 |
| White text | 8.83:1 |
Values
| HEX | #6B401D |
| RGB | rgb(107, 64, 29) |
| HSL | hsl(27, 57%, 27%) |
| OKLCH | oklch(41.5% 0.077 57.4) |
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 #6B401D | 8.83:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #6B401D | 2.37:1 | Fails | Lc 14.0 | Not readable |
| #6B401D text on white | 8.83:1 | AAA | Lc 90.0 | Fine for body text |
| #6B401D text on black | 2.37:1 | Fails | Lc -12.3 | 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
#F1E8E2
oklch(93.6% 0.013 56.2)
-
Step 200
200
#E7D5C9
oklch(88.4% 0.026 56)
-
Step 300
300
#D8BAA5
oklch(80.9% 0.045 57)
-
Step 400
400
#C49674
oklch(70.8% 0.073 57.7)
-
Step 500
500
#B47B4F
oklch(63.2% 0.093 57.7)
-
Step 600
600
#9F6333
oklch(55.6% 0.1 57.3)
-
Step 700
700
#885225
oklch(49.2% 0.093 57.7)
-
Step 800
800 (this color)
#6B401D
oklch(41.5% 0.077 57.4)
-
Step 900
900
#5A3920
oklch(37.8% 0.06 56.8)
-
Step 950
950
#352213
oklch(27.2% 0.039 58.5)
#6B401D 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) | #4D4419 | 0.058 |
| Deuteranopia (no green cones) | #574E1D | 0.053 |
| Tritanopia (no blue cones) | #753738 | 0.053 |
| Achromatopsia (no color) | #4A4A4A | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B401D
#6B401D
oklch(41.5% 0.077 57.4)
- #195171
#195171
oklch(41.5% 0.078 238.2)
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 #6B401D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.032
- Chestnut #742802 ΔE 0.055
- Purple Brown #673A3F ΔE 0.056
- Milk Chocolate #7F4E1E ΔE 0.057
- Medium Brown #7F5112 ΔE 0.066
- Green Brown #544E03 ΔE 0.066
- Rust Brown #8B3103 ΔE 0.066
- Olive Brown #645403 ΔE 0.066
Use #6B401D 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.