#6C310D
Closest named color: Chestnut (#742802). oklch(38.7% 0.096 47.5), rgb(108, 49, 13).
Aa
White text reads best on this color (10.08:1).
About this color
#6C310D is a dark, moderately saturated brown. In OKLCH its lightness is 39%, its chroma 0.096 and its hue 48°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.023 away. White text reads best on it, at 10.08:1.
| Hue family | Browns |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.096) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.08:1 |
| White text | 10.08:1 |
Values
| HEX | #6C310D |
| RGB | rgb(108, 49, 13) |
| HSL | hsl(23, 79%, 24%) |
| OKLCH | oklch(38.7% 0.096 47.5) |
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 #6C310D | 10.08:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #6C310D | 2.08:1 | Fails | Lc 11.0 | Not readable |
| #6C310D text on white | 10.08:1 | AAA | Lc 92.9 | Preferred for body text |
| #6C310D text on black | 2.08:1 | Fails | Lc -9.6 | 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
#F6E6DE
oklch(93.6% 0.021 48.5)
-
Step 200
200
#F0D2C3
oklch(88.5% 0.039 48.3)
-
Step 300
300
#E8B399
oklch(80.9% 0.072 47.4)
-
Step 400
400
#DB895F
oklch(70.7% 0.116 47.4)
-
Step 500
500
#CF692E
oklch(63.1% 0.147 47.5)
-
Step 600
600
#B85000
oklch(55.7% 0.153 47.4)
-
Step 700
700
#9B4200
oklch(49% 0.135 47.3)
-
Step 800
800
#803600
oklch(42.8% 0.117 47.8)
-
Step 900
900 (this color)
#6C310D
oklch(38.7% 0.096 47.5)
-
Step 950
950
#3E1C09
oklch(27.1% 0.061 47.4)
#6C310D 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) | #423A07 | 0.086 |
| Deuteranopia (no green cones) | #50470B | 0.079 |
| Tritanopia (no blue cones) | #77242A | 0.054 |
| Achromatopsia (no color) | #424242 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C310D
#6C310D
oklch(38.7% 0.096 47.5)
- #004C63
#004C63
oklch(38.8% 0.075 226.4)
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 #6C310D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.023
- Purple Brown #673A3F ΔE 0.059
- Mud Brown #60460F ΔE 0.059
- Reddy Brown #6E1005 ΔE 0.060
- Rust Brown #8B3103 ΔE 0.064
- Red Brown #8B2E16 ΔE 0.065
- Blood #770001 ΔE 0.070
- Maroon #800000 ΔE 0.071
Use #6C310D 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.