#6B310F
Closest named color: Chestnut (#742802). oklch(38.6% 0.094 47.1), rgb(107, 49, 15).
Aa
White text reads best on this color (10.13:1).
About this color
#6B310F is a dark, moderately saturated brown. In OKLCH its lightness is 39%, its chroma 0.094 and its hue 47°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.024 away. White text reads best on it, at 10.13:1.
| Hue family | Browns |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.094) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.07:1 |
| White text | 10.13:1 |
Values
| HEX | #6B310F |
| RGB | rgb(107, 49, 15) |
| HSL | hsl(22, 75%, 24%) |
| OKLCH | oklch(38.6% 0.094 47.1) |
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 #6B310F | 10.13:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #6B310F | 2.07:1 | Fails | Lc 10.9 | Not readable |
| #6B310F text on white | 10.13:1 | AAA | Lc 93.1 | Preferred for body text |
| #6B310F text on black | 2.07:1 | Fails | Lc -9.4 | 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
#F0D2C4
oklch(88.5% 0.039 46.6)
-
Step 300
300
#E8B39A
oklch(80.9% 0.071 46.5)
-
Step 400
400
#DA8A61
oklch(70.7% 0.113 47.5)
-
Step 500
500
#CE6A32
oklch(63.2% 0.144 47.2)
-
Step 600
600
#B84F00
oklch(55.5% 0.154 46.9)
-
Step 700
700
#9C4200
oklch(49.2% 0.136 47)
-
Step 800
800
#803500
oklch(42.6% 0.118 47.1)
-
Step 900
900 (this color)
#6B310F
oklch(38.6% 0.094 47.1)
-
Step 950
950
#3D1C0A
oklch(27% 0.059 47.2)
#6B310F 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) | #42390A | 0.084 |
| Deuteranopia (no green cones) | #50460E | 0.075 |
| Tritanopia (no blue cones) | #76242A | 0.053 |
| Achromatopsia (no color) | #414141 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B310F
#6B310F
oklch(38.6% 0.094 47.1)
- #004B63
#004B63
oklch(38.5% 0.075 227.8)
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 #6B310F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.024
- Purple Brown #673A3F ΔE 0.058
- Mud Brown #60460F ΔE 0.059
- Reddy Brown #6E1005 ΔE 0.060
- Rust Brown #8B3103 ΔE 0.066
- Red Brown #8B2E16 ΔE 0.067
- Blood #770001 ΔE 0.070
- Maroon #800000 ΔE 0.072
Use #6B310F 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.