#6F3137
Closest named color: Purple Brown (#673A3F). oklch(39.9% 0.088 16), rgb(111, 49, 55).
Aa
White text reads best on this color (9.67:1).
About this color
#6F3137 is a dark, moderately saturated red. In OKLCH its lightness is 40%, its chroma 0.088 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.025 away. White text reads best on it, at 9.67:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.088) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.17:1 |
| White text | 9.67:1 |
Values
| HEX | #6F3137 |
| RGB | rgb(111, 49, 55) |
| HSL | hsl(354, 39%, 31%) |
| OKLCH | oklch(39.9% 0.088 16) |
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 #6F3137 | 9.67:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #6F3137 | 2.17:1 | Fails | Lc 12.0 | Not readable |
| #6F3137 text on white | 9.67:1 | AAA | Lc 92.0 | Preferred for body text |
| #6F3137 text on black | 2.17:1 | Fails | Lc -10.4 | 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
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F6E5E5
oklch(93.5% 0.019 17.5)
-
Step 200
200
#F1D0D1
oklch(88.6% 0.037 15.8)
-
Step 300
300
#E8B0B2
oklch(80.9% 0.066 16.2)
-
Step 400
400
#DA858A
oklch(70.7% 0.105 16.3)
-
Step 500
500
#CE636D
oklch(63.1% 0.136 16)
-
Step 600
600
#B94755
oklch(55.5% 0.147 16)
-
Step 700
700
#9F3846
oklch(49.1% 0.137 15.7)
-
Step 800
800
#812F39
oklch(42.6% 0.113 16)
-
Step 900
900 (this color)
#6F3137
oklch(39.9% 0.088 16)
-
Step 950
950
#3D1A1D
oklch(27% 0.055 16.1)
#6F3137 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) | #3E3D37 | 0.096 |
| Deuteranopia (no green cones) | #4E4936 | 0.088 |
| Tritanopia (no blue cones) | #792933 | 0.024 |
| Achromatopsia (no color) | #444444 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F3137
#6F3137
oklch(39.9% 0.088 16)
- #005253
#005253
oklch(39.8% 0.068 196.2)
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 #6F3137, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.025
- Brownish Purple #76424E ΔE 0.051
- Chestnut #742802 ΔE 0.054
- Wine Red #7B0323 ΔE 0.065
- Bordeaux #7B002C ΔE 0.067
- Red Brown #8B2E16 ΔE 0.068
- Reddy Brown #6E1005 ΔE 0.071
- Wine #80013F ΔE 0.075
Use #6F3137 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.