#6D431F
Closest named color: Mud Brown (#60460F). oklch(42.5% 0.077 59), rgb(109, 67, 31).
Aa
White text reads best on this color (8.49:1).
About this color
#6D431F is a dark, moderately saturated brown. In OKLCH its lightness is 42%, its chroma 0.077 and its hue 59°. 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 8.49:1.
| Hue family | Browns |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.077) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.47:1 |
| White text | 8.49:1 |
Values
| HEX | #6D431F |
| RGB | rgb(109, 67, 31) |
| HSL | hsl(28, 56%, 27%) |
| OKLCH | oklch(42.5% 0.077 59) |
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 #6D431F | 8.49:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #6D431F | 2.47:1 | Fails | Lc 15.0 | Not readable |
| #6D431F text on white | 8.49:1 | AAA | Lc 89.0 | Fine for body text |
| #6D431F text on black | 2.47:1 | Fails | Lc -13.2 | 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
#F9F5F1
oklch(97.2% 0.007 67.7)
-
Step 100
100
#F1E8E1
oklch(93.6% 0.014 60.6)
-
Step 200
200
#E6D6C9
oklch(88.6% 0.025 61.6)
-
Step 300
300
#D7BAA4
oklch(80.8% 0.045 59.3)
-
Step 400
400
#C39674
oklch(70.7% 0.072 58.3)
-
Step 500
500
#B37B4F
oklch(63% 0.092 58.2)
-
Step 600
600
#9E6432
oklch(55.7% 0.099 59.2)
-
Step 700
700
#875224
oklch(49% 0.093 58.7)
-
Step 800
800 (this color)
#6D431F
oklch(42.5% 0.077 59)
-
Step 900
900
#59391F
oklch(37.6% 0.06 58.6)
-
Step 950
950
#342213
oklch(27% 0.037 60.1)
#6D431F 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) | #50471B | 0.056 |
| Deuteranopia (no green cones) | #5A501F | 0.049 |
| Tritanopia (no blue cones) | #773A3B | 0.054 |
| Achromatopsia (no color) | #4D4D4D | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D431F
#6D431F
oklch(42.5% 0.077 59)
- #1F5474
#1F5474
oklch(42.6% 0.077 238.9)
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 #6D431F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.032
- Milk Chocolate #7F4E1E ΔE 0.049
- Medium Brown #7F5112 ΔE 0.057
- Purple Brown #673A3F ΔE 0.059
- Saddle Brown #8B4513 ΔE 0.060
- Olive Brown #645403 ΔE 0.060
- Chestnut #742802 ΔE 0.062
- Green Brown #544E03 ΔE 0.064
Use #6D431F 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.