#6D3A18
Closest named color: Chestnut (#742802). oklch(40.6% 0.086 51.5), rgb(109, 58, 24).
Aa
White text reads best on this color (9.25:1).
About this color
#6D3A18 is a dark, moderately saturated brown. In OKLCH its lightness is 41%, its chroma 0.086 and its hue 51°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.040 away. White text reads best on it, at 9.25:1.
| Hue family | Browns |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.086) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.26:1 |
| White text | 9.25:1 |
Values
| HEX | #6D3A18 |
| RGB | rgb(109, 58, 24) |
| HSL | hsl(24, 64%, 26%) |
| OKLCH | oklch(40.6% 0.086 51.5) |
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 #6D3A18 | 9.25:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #6D3A18 | 2.26:1 | Fails | Lc 12.9 | Not readable |
| #6D3A18 text on white | 9.25:1 | AAA | Lc 91.0 | Preferred for body text |
| #6D3A18 text on black | 2.26:1 | Fails | Lc -11.3 | 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
#F9F4F1
oklch(97% 0.007 53.4)
-
Step 100
100
#F2E7E1
oklch(93.5% 0.014 50.8)
-
Step 200
200
#E9D4C9
oklch(88.4% 0.028 49.6)
-
Step 300
300
#DCB8A4
oklch(80.9% 0.05 50.7)
-
Step 400
400
#C99372
oklch(70.7% 0.08 52.5)
-
Step 500
500
#BA774D
oklch(63.1% 0.102 52)
-
Step 600
600
#A65E30
oklch(55.6% 0.112 51.1)
-
Step 700
700
#8E4D22
oklch(49.1% 0.104 51.3)
-
Step 800
800 (this color)
#6D3A18
oklch(40.6% 0.086 51.5)
-
Step 900
900
#5D361E
oklch(37.5% 0.067 51.1)
-
Step 950
950
#372012
oklch(27% 0.043 51.4)
#6D3A18 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) | #494014 | 0.071 |
| Deuteranopia (no green cones) | #554C18 | 0.066 |
| Tritanopia (no blue cones) | #782F33 | 0.054 |
| Achromatopsia (no color) | #474747 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D3A18
#6D3A18
oklch(40.6% 0.086 51.5)
- #00506E
#00506E
oklch(40.5% 0.083 232.2)
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 #6D3A18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.040
- Mud Brown #60460F ΔE 0.043
- Purple Brown #673A3F ΔE 0.053
- Rust Brown #8B3103 ΔE 0.060
- Red Brown #8B2E16 ΔE 0.063
- Milk Chocolate #7F4E1E ΔE 0.067
- Saddle Brown #8B4513 ΔE 0.070
- Brownish Purple #76424E ΔE 0.074
Use #6D3A18 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.