#6B231F
Closest named color: Reddy Brown (#6E1005). oklch(36.6% 0.104 26.7), rgb(107, 35, 31).
Aa
White text reads best on this color (11.13:1).
About this color
#6B231F is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.104 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.032 away. White text reads best on it, at 11.13:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.104) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.88:1 |
| White text | 11.13:1 |
Values
| HEX | #6B231F |
| RGB | rgb(107, 35, 31) |
| HSL | hsl(3, 55%, 27%) |
| OKLCH | oklch(36.6% 0.104 26.7) |
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 #6B231F | 11.13:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #6B231F | 1.88:1 | Fails | Lc 8.9 | Not readable |
| #6B231F text on white | 11.13:1 | AAA | Lc 95.0 | Preferred for body text |
| #6B231F text on black | 1.88:1 | Fails | Lc -7.6 | 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F9E5E2
oklch(93.7% 0.022 27.8)
-
Step 200
200
#F5CFCA
oklch(88.5% 0.044 26.8)
-
Step 300
300
#EFAEA6
oklch(81% 0.078 26.8)
-
Step 400
400
#E48076
oklch(70.7% 0.125 26.7)
-
Step 500
500
#D95C53
oklch(63.2% 0.159 26.7)
-
Step 600
600
#C43D37
oklch(55.6% 0.173 26.9)
-
Step 700
700
#A92D2A
oklch(49.1% 0.161 26.5)
-
Step 800
800
#892824
oklch(42.7% 0.132 26.7)
-
Step 900
900 (this color)
#6B231F
oklch(36.6% 0.104 26.7)
-
Step 950
950
#411714
oklch(26.9% 0.066 26.5)
#6B231F 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) | #36321E | 0.111 |
| Deuteranopia (no green cones) | #48411D | 0.101 |
| Tritanopia (no blue cones) | #761223 | 0.034 |
| Achromatopsia (no color) | #3B3B3B | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B231F
#6B231F
oklch(36.6% 0.104 26.7)
- #00484F
#00484F
oklch(36.7% 0.063 205.9)
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 #6B231F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.032
- Chestnut #742802 ΔE 0.037
- Blood #770001 ΔE 0.044
- Wine Red #7B0323 ΔE 0.048
- Claret #680018 ΔE 0.050
- Maroon #800000 ΔE 0.052
- Bordeaux #7B002C ΔE 0.056
- Purple Brown #673A3F ΔE 0.059
Use #6B231F 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.