#6B3A25
Closest named color: Purple Brown (#673A3F). oklch(40.5% 0.077 43.4), rgb(107, 58, 37).
Aa
White text reads best on this color (9.30:1).
About this color
#6B3A25 is a dark, moderately saturated brown. In OKLCH its lightness is 40%, its chroma 0.077 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.039 away. White text reads best on it, at 9.30:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.077) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.25:1 |
| White text | 9.30:1 |
Values
| HEX | #6B3A25 |
| RGB | rgb(107, 58, 37) |
| HSL | hsl(18, 49%, 28%) |
| OKLCH | oklch(40.5% 0.077 43.4) |
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 #6B3A25 | 9.30:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #6B3A25 | 2.25:1 | Fails | Lc 12.8 | Not readable |
| #6B3A25 text on white | 9.30:1 | AAA | Lc 91.2 | Preferred for body text |
| #6B3A25 text on black | 2.25:1 | Fails | Lc -11.1 | 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
#F2E7E3
oklch(93.6% 0.013 41.2)
-
Step 200
200
#E8D4CC
oklch(88.4% 0.025 43.2)
-
Step 300
300
#DBB8AA
oklch(80.9% 0.045 43)
-
Step 400
400
#C7927D
oklch(70.6% 0.071 42.6)
-
Step 500
500
#B8775B
oklch(63.1% 0.091 44)
-
Step 600
600
#A35F41
oklch(55.6% 0.099 44.1)
-
Step 700
700
#8C4E33
oklch(49.2% 0.093 43.7)
-
Step 800
800 (this color)
#6B3A25
oklch(40.5% 0.077 43.4)
-
Step 900
900
#5C3727
oklch(37.8% 0.059 43.9)
-
Step 950
950
#362017
oklch(26.9% 0.038 43)
#6B3A25 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) | #474023 | 0.070 |
| Deuteranopia (no green cones) | #534B24 | 0.064 |
| Tritanopia (no blue cones) | #753135 | 0.041 |
| Achromatopsia (no color) | #474747 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B3A25
#6B3A25
oklch(40.5% 0.077 43.4)
- #005167
#005167
oklch(40.4% 0.076 224)
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 #6B3A25, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.039
- Chestnut #742802 ΔE 0.043
- Mud Brown #60460F ΔE 0.051
- Brownish Purple #76424E ΔE 0.063
- Red Brown #8B2E16 ΔE 0.065
- Rust Brown #8B3103 ΔE 0.065
- Milk Chocolate #7F4E1E ΔE 0.072
- Saddle Brown #8B4513 ΔE 0.076
Use #6B3A25 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.