#6F3337
Closest named color: Purple Brown (#673A3F). oklch(40.2% 0.085 17.5), rgb(111, 51, 55).
Aa
White text reads best on this color (9.52:1).
About this color
#6F3337 is a dark, moderately saturated red. In OKLCH its lightness is 40%, its chroma 0.085 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.022 away. White text reads best on it, at 9.52:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.085) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.20:1 |
| White text | 9.52:1 |
Values
| HEX | #6F3337 |
| RGB | rgb(111, 51, 55) |
| HSL | hsl(356, 37%, 32%) |
| OKLCH | oklch(40.2% 0.085 17.5) |
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 #6F3337 | 9.52:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #6F3337 | 2.20:1 | Fails | Lc 12.3 | Not readable |
| #6F3337 text on white | 9.52:1 | AAA | Lc 91.7 | Preferred for body text |
| #6F3337 text on black | 2.20:1 | Fails | Lc -10.7 | 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 800.
-
Step 50
50
#FAF4F4
oklch(97.2% 0.006 17.3)
-
Step 100
100
#F3E6E6
oklch(93.5% 0.014 17.4)
-
Step 200
200
#EBD2D2
oklch(88.4% 0.028 17.7)
-
Step 300
300
#DFB4B5
oklch(80.8% 0.05 16.7)
-
Step 400
400
#CE8D8E
oklch(70.8% 0.08 18.2)
-
Step 500
500
#BF6F73
oklch(63.1% 0.102 17.2)
-
Step 600
600
#AA565B
oklch(55.6% 0.11 17.6)
-
Step 700
700
#92464B
oklch(49.2% 0.103 17.5)
-
Step 800
800 (this color)
#6F3337
oklch(40.2% 0.085 17.5)
-
Step 900
900
#603234
oklch(37.7% 0.066 18)
-
Step 950
950
#381E1F
oklch(27% 0.041 17.6)
#6F3337 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) | #403E37 | 0.092 |
| Deuteranopia (no green cones) | #4F4A36 | 0.085 |
| Tritanopia (no blue cones) | #792B35 | 0.024 |
| Achromatopsia (no color) | #454545 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F3337
#6F3337
oklch(40.2% 0.085 17.5)
- #005355
#005355
oklch(40.1% 0.068 197.6)
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 #6F3337, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.022
- Brownish Purple #76424E ΔE 0.048
- Chestnut #742802 ΔE 0.054
- Red Brown #8B2E16 ΔE 0.066
- Wine Red #7B0323 ΔE 0.069
- Bordeaux #7B002C ΔE 0.072
- Reddy Brown #6E1005 ΔE 0.074
- Rust Brown #8B3103 ΔE 0.074
Use #6F3337 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.