#6D310B
Closest named color: Chestnut (#742802). oklch(38.9% 0.098 47.8), rgb(109, 49, 11).
Aa
White text reads best on this color (10.02:1).
About this color
#6D310B is a dark, moderately saturated brown. In OKLCH its lightness is 39%, its chroma 0.098 and its hue 48°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.021 away. White text reads best on it, at 10.02:1.
| Hue family | Browns |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.098) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.09:1 |
| White text | 10.02:1 |
Values
| HEX | #6D310B |
| RGB | rgb(109, 49, 11) |
| HSL | hsl(23, 82%, 24%) |
| OKLCH | oklch(38.9% 0.098 47.8) |
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 #6D310B | 10.02:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #6D310B | 2.09:1 | Fails | Lc 11.2 | Not readable |
| #6D310B text on white | 10.02:1 | AAA | Lc 92.8 | Preferred for body text |
| #6D310B text on black | 2.09:1 | Fails | Lc -9.7 | 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
#F7E6DE
oklch(93.6% 0.022 47)
-
Step 200
200
#F1D2C3
oklch(88.6% 0.04 47.4)
-
Step 300
300
#E9B398
oklch(80.9% 0.073 47.8)
-
Step 400
400
#DC895E
oklch(70.8% 0.117 47.6)
-
Step 500
500
#D0682B
oklch(63.1% 0.15 47.5)
-
Step 600
600
#B75000
oklch(55.5% 0.152 47.7)
-
Step 700
700
#9B4300
oklch(49.2% 0.134 47.9)
-
Step 800
800
#803600
oklch(42.8% 0.117 47.8)
-
Step 900
900 (this color)
#6D310B
oklch(38.9% 0.098 47.8)
-
Step 950
950
#3E1B08
oklch(26.9% 0.062 46.7)
#6D310B 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) | #423A05 | 0.088 |
| Deuteranopia (no green cones) | #514709 | 0.079 |
| Tritanopia (no blue cones) | #78232A | 0.056 |
| Achromatopsia (no color) | #424242 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D310B
#6D310B
oklch(38.9% 0.098 47.8)
- #004C64
#004C64
oklch(38.9% 0.075 227.5)
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 #6D310B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.021
- Mud Brown #60460F ΔE 0.059
- Purple Brown #673A3F ΔE 0.060
- Reddy Brown #6E1005 ΔE 0.061
- Rust Brown #8B3103 ΔE 0.062
- Red Brown #8B2E16 ΔE 0.064
- Blood #770001 ΔE 0.070
- Maroon #800000 ΔE 0.070
Use #6D310B 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.