#6B3F2B
Closest named color: Purple Brown (#673A3F). oklch(41.6% 0.069 44.8), rgb(107, 63, 43).
Aa
White text reads best on this color (8.85:1).
About this color
#6B3F2B is a dark, muted brown. In OKLCH its lightness is 42%, its chroma 0.069 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.038 away. White text reads best on it, at 8.85:1.
| Hue family | Browns |
| Lightness | dark (42%) |
| Chroma | muted (0.069) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.37:1 |
| White text | 8.85:1 |
Values
| HEX | #6B3F2B |
| RGB | rgb(107, 63, 43) |
| HSL | hsl(19, 43%, 29%) |
| OKLCH | oklch(41.6% 0.069 44.8) |
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 #6B3F2B | 8.85:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #6B3F2B | 2.37:1 | Fails | Lc 13.9 | Not readable |
| #6B3F2B text on white | 8.85:1 | AAA | Lc 90.1 | Preferred for body text |
| #6B3F2B text on black | 2.37:1 | Fails | Lc -12.2 | 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
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F1E8E4
oklch(93.7% 0.011 45.7)
-
Step 200
200
#E7D5CD
oklch(88.5% 0.023 45.6)
-
Step 300
300
#D8B9AC
oklch(80.9% 0.04 44.1)
-
Step 400
400
#C4947F
oklch(70.7% 0.066 44.7)
-
Step 500
500
#B4795F
oklch(63.1% 0.083 44.6)
-
Step 600
600
#9F6146
oklch(55.5% 0.09 44)
-
Step 700
700
#885037
oklch(49.1% 0.084 44.4)
-
Step 800
800 (this color)
#6B3F2B
oklch(41.6% 0.069 44.8)
-
Step 900
900
#5A3829
oklch(37.7% 0.055 44.5)
-
Step 950
950
#352118
oklch(27% 0.035 45)
#6B3F2B 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) | #4B4429 | 0.061 |
| Deuteranopia (no green cones) | #554E2B | 0.057 |
| Tritanopia (no blue cones) | #75373A | 0.040 |
| Achromatopsia (no color) | #4A4A4A | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B3F2B
#6B3F2B
oklch(41.6% 0.069 44.8)
- #165468
#165468
oklch(41.7% 0.069 224.1)
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 #6B3F2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.038
- Mud Brown #60460F ΔE 0.047
- Chestnut #742802 ΔE 0.055
- Brownish Purple #76424E ΔE 0.056
- Milk Chocolate #7F4E1E ΔE 0.064
- Rust Brown #8B3103 ΔE 0.067
- Red Brown #8B2E16 ΔE 0.067
- Saddle Brown #8B4513 ΔE 0.070
Use #6B3F2B 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.