#6B390F
Closest named color: Chestnut (#742802). oklch(40% 0.088 55.5), rgb(107, 57, 15).
Aa
White text reads best on this color (9.47:1).
About this color
#6B390F is a dark, moderately saturated brown. In OKLCH its lightness is 40%, its chroma 0.088 and its hue 56°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.039 away. White text reads best on it, at 9.47:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.088) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.21:1 |
| White text | 9.47:1 |
Values
| HEX | #6B390F |
| RGB | rgb(107, 57, 15) |
| HSL | hsl(27, 75%, 24%) |
| OKLCH | oklch(40% 0.088 55.5) |
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 #6B390F | 9.47:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #6B390F | 2.21:1 | Fails | Lc 12.4 | Not readable |
| #6B390F text on white | 9.47:1 | AAA | Lc 91.6 | Preferred for body text |
| #6B390F text on black | 2.21:1 | Fails | Lc -10.8 | 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
#FAF4F0
oklch(97.1% 0.008 56.3)
-
Step 100
100
#F5E7DE
oklch(93.7% 0.02 55.1)
-
Step 200
200
#EDD3C3
oklch(88.4% 0.036 53.7)
-
Step 300
300
#E3B698
oklch(80.9% 0.066 55.3)
-
Step 400
400
#D38E5D
oklch(70.6% 0.106 55.4)
-
Step 500
500
#C6702A
oklch(63% 0.135 55.4)
-
Step 600
600
#AE5900
oklch(55.6% 0.137 55.3)
-
Step 700
700
#934A00
oklch(49.1% 0.121 55.1)
-
Step 800
800
#793C00
oklch(42.6% 0.105 55.3)
-
Step 900
900 (this color)
#6B390F
oklch(40% 0.088 55.5)
-
Step 950
950
#3B1E08
oklch(27% 0.056 54.6)
#6B390F 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) | #483F08 | 0.070 |
| Deuteranopia (no green cones) | #544A0F | 0.063 |
| Tritanopia (no blue cones) | #762E31 | 0.059 |
| Achromatopsia (no color) | #464646 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B390F
#6B390F
oklch(40% 0.088 55.5)
- #004E6F
#004E6F
oklch(40% 0.085 235.3)
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 #6B390F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.039
- Mud Brown #60460F ΔE 0.040
- Purple Brown #673A3F ΔE 0.060
- Rust Brown #8B3103 ΔE 0.064
- Red Brown #8B2E16 ΔE 0.068
- Milk Chocolate #7F4E1E ΔE 0.071
- Green Brown #544E03 ΔE 0.074
- Saddle Brown #8B4513 ΔE 0.075
Use #6B390F 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.