#6C311D
Closest named color: Chestnut (#742802). oklch(38.9% 0.09 39.1), rgb(108, 49, 29).
Aa
White text reads best on this color (10.02:1).
About this color
#6C311D is a dark, moderately saturated red. In OKLCH its lightness is 39%, its chroma 0.090 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.026 away. White text reads best on it, at 10.02:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.090) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.09:1 |
| White text | 10.02:1 |
Values
| HEX | #6C311D |
| RGB | rgb(108, 49, 29) |
| HSL | hsl(15, 58%, 27%) |
| OKLCH | oklch(38.9% 0.09 39.1) |
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 #6C311D | 10.02:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #6C311D | 2.09:1 | Fails | Lc 11.1 | Not readable |
| #6C311D text on white | 10.02:1 | AAA | Lc 92.8 | Preferred for body text |
| #6C311D text on black | 2.09:1 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6E0
oklch(93.6% 0.019 41.8)
-
Step 200
200
#F0D1C7
oklch(88.4% 0.038 38.7)
-
Step 300
300
#E8B2A1
oklch(80.8% 0.068 38.2)
-
Step 400
400
#DA886D
oklch(70.6% 0.108 39)
-
Step 500
500
#CE6846
oklch(63.1% 0.138 38.9)
-
Step 600
600
#B94D26
oklch(55.6% 0.149 39.2)
-
Step 700
700
#9F3D18
oklch(49.1% 0.139 39.3)
-
Step 800
800
#813317
oklch(42.6% 0.115 39.1)
-
Step 900
900 (this color)
#6C311D
oklch(38.9% 0.09 39.1)
-
Step 950
950
#3D1B10
oklch(26.9% 0.057 38.5)
#6C311D 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) | #413A1B | 0.087 |
| Deuteranopia (no green cones) | #4F471C | 0.080 |
| Tritanopia (no blue cones) | #77252C | 0.043 |
| Achromatopsia (no color) | #424242 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C311D
#6C311D
oklch(38.9% 0.09 39.1)
- #004D5E
#004D5E
oklch(38.8% 0.07 219.1)
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 #6C311D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.026
- Purple Brown #673A3F ΔE 0.046
- Reddy Brown #6E1005 ΔE 0.058
- Red Brown #8B2E16 ΔE 0.063
- Rust Brown #8B3103 ΔE 0.066
- Mud Brown #60460F ΔE 0.066
- Blood #770001 ΔE 0.068
- Maroon #800000 ΔE 0.069
Use #6C311D 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.