#6E3618
Closest named color: Chestnut (#742802). oklch(40% 0.09 46.6), rgb(110, 54, 24).
Aa
White text reads best on this color (9.52:1).
About this color
#6E3618 is a dark, moderately saturated brown. In OKLCH its lightness is 40%, its chroma 0.090 and its hue 47°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.031 away. White text reads best on it, at 9.52:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.090) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.20:1 |
| White text | 9.52:1 |
Values
| HEX | #6E3618 |
| RGB | rgb(110, 54, 24) |
| HSL | hsl(21, 64%, 26%) |
| OKLCH | oklch(40% 0.09 46.6) |
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 #6E3618 | 9.52:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #6E3618 | 2.20:1 | Fails | Lc 12.3 | Not readable |
| #6E3618 text on white | 9.52:1 | AAA | Lc 91.6 | Preferred for body text |
| #6E3618 text on black | 2.20:1 | Fails | Lc -10.7 | 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 900.
-
Step 50
50
#FBF4F0
oklch(97.1% 0.009 52.1)
-
Step 100
100
#F6E6DF
oklch(93.6% 0.02 45.3)
-
Step 200
200
#EFD2C5
oklch(88.4% 0.037 45.6)
-
Step 300
300
#E6B49C
oklch(80.9% 0.067 46.9)
-
Step 400
400
#D88B65
oklch(70.7% 0.108 46.7)
-
Step 500
500
#CB6B38
oklch(63% 0.138 46.6)
-
Step 600
600
#B7500C
oklch(55.5% 0.15 46.4)
-
Step 700
700
#9C4100
oklch(49% 0.137 46.5)
-
Step 800
800
#803605
oklch(42.8% 0.116 46.7)
-
Step 900
900 (this color)
#6E3618
oklch(40% 0.09 46.6)
-
Step 950
950
#3D1C0C
oklch(27% 0.058 45.1)
#6E3618 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) | #463E14 | 0.080 |
| Deuteranopia (no green cones) | #534A17 | 0.073 |
| Tritanopia (no blue cones) | #792A30 | 0.052 |
| Achromatopsia (no color) | #454545 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6E3618
#6E3618
oklch(40% 0.09 46.6)
- #005068
#005068
oklch(40.2% 0.077 226.4)
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 #6E3618, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.031
- Purple Brown #673A3F ΔE 0.051
- Mud Brown #60460F ΔE 0.053
- Rust Brown #8B3103 ΔE 0.058
- Red Brown #8B2E16 ΔE 0.059
- Reddy Brown #6E1005 ΔE 0.071
- Brown Red #922B05 ΔE 0.072
- Saddle Brown #8B4513 ΔE 0.074
Use #6E3618 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.