#6E3603
Closest named color: Chestnut (#742802). oklch(39.9% 0.097 54.5), rgb(110, 54, 3).
Aa
White text reads best on this color (9.58:1).
About this color
#6E3603 is a dark, moderately saturated brown. In OKLCH its lightness is 40%, its chroma 0.097 and its hue 54°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.033 away. White text reads best on it, at 9.58:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.097) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.19:1 |
| White text | 9.58:1 |
Values
| HEX | #6E3603 |
| RGB | rgb(110, 54, 3) |
| HSL | hsl(29, 95%, 22%) |
| OKLCH | oklch(39.9% 0.097 54.5) |
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 #6E3603 | 9.58:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #6E3603 | 2.19:1 | Fails | Lc 12.2 | Not readable |
| #6E3603 text on white | 9.58:1 | AAA | Lc 91.7 | Preferred for body text |
| #6E3603 text on black | 2.19:1 | 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
#FBF4EF
oklch(97.1% 0.01 58.2)
-
Step 100
100
#F6E7DD
oklch(93.7% 0.021 56.1)
-
Step 200
200
#EFD3C0
oklch(88.5% 0.041 56.3)
-
Step 300
300
#E7B594
oklch(81% 0.073 54.9)
-
Step 400
400
#D88C56
oklch(70.7% 0.116 55)
-
Step 500
500
#CC6C18
oklch(63% 0.149 54.5)
-
Step 600
600
#AF5800
oklch(55.6% 0.139 54.3)
-
Step 700
700
#944A00
oklch(49.2% 0.122 54.7)
-
Step 800
800
#7A3C00
oklch(42.8% 0.106 54.9)
-
Step 900
900 (this color)
#6E3603
oklch(39.9% 0.097 54.5)
-
Step 950
950
#3D1D04
oklch(27.1% 0.062 54.7)
#6E3603 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) | #473D00 | 0.079 |
| Deuteranopia (no green cones) | #544A02 | 0.072 |
| Tritanopia (no blue cones) | #79292D | 0.062 |
| Achromatopsia (no color) | #454545 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6E3603
#6E3603
oklch(39.9% 0.097 54.5)
- #004E6E
#004E6E
oklch(40% 0.084 234.5)
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 #6E3603, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.033
- Mud Brown #60460F ΔE 0.047
- Rust Brown #8B3103 ΔE 0.059
- Red Brown #8B2E16 ΔE 0.063
- Purple Brown #673A3F ΔE 0.065
- Milk Chocolate #7F4E1E ΔE 0.074
- Saddle Brown #8B4513 ΔE 0.074
- Brown Red #922B05 ΔE 0.075
Use #6E3603 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.