#6B2831
Closest named color: Purple Brown (#673A3F). oklch(37.7% 0.096 14.8), rgb(107, 40, 49).
Aa
White text reads best on this color (10.64:1).
About this color
#6B2831 is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.096 and its hue 15°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.043 away. White text reads best on it, at 10.64:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.096) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.97:1 |
| White text | 10.64:1 |
Values
| HEX | #6B2831 |
| RGB | rgb(107, 40, 49) |
| HSL | hsl(352, 46%, 29%) |
| OKLCH | oklch(37.7% 0.096 14.8) |
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 #6B2831 | 10.64:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #6B2831 | 1.97:1 | Fails | Lc 9.8 | Not readable |
| #6B2831 text on white | 10.64:1 | AAA | Lc 94.1 | Preferred for body text |
| #6B2831 text on black | 1.97:1 | Fails | Lc -8.5 | 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
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F8E5E5
oklch(93.7% 0.021 17.5)
-
Step 200
200
#F2CFD1
oklch(88.5% 0.039 14)
-
Step 300
300
#EBAEB2
oklch(80.8% 0.072 14.4)
-
Step 400
400
#DF818A
oklch(70.7% 0.116 14.3)
-
Step 500
500
#D35F6D
oklch(63.2% 0.147 14.8)
-
Step 600
600
#BE4155
oklch(55.6% 0.16 14.6)
-
Step 700
700
#A33245
oklch(49% 0.148 14.8)
-
Step 800
800
#852B39
oklch(42.8% 0.123 14.9)
-
Step 900
900 (this color)
#6B2831
oklch(37.7% 0.096 14.8)
-
Step 950
950
#3F181D
oklch(27% 0.061 14.2)
#6B2831 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) | #373631 | 0.105 |
| Deuteranopia (no green cones) | #48432F | 0.096 |
| Tritanopia (no blue cones) | #751E2C | 0.025 |
| Achromatopsia (no color) | #3E3E3E | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B2831
#6B2831
oklch(37.7% 0.096 14.8)
- #004C4C
#004C4C
oklch(37.7% 0.064 194.8)
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 #6B2831, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.043
- Wine Red #7B0323 ΔE 0.051
- Chestnut #742802 ΔE 0.053
- Bordeaux #7B002C ΔE 0.054
- Reddy Brown #6E1005 ΔE 0.054
- Merlot #730039 ΔE 0.060
- Claret #680018 ΔE 0.061
- Blood #770001 ΔE 0.062
Use #6B2831 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.