#6B333F
Closest named color: Purple Brown (#673A3F). oklch(39.8% 0.081 7.9), rgb(107, 51, 63).
Aa
White text reads best on this color (9.67:1).
About this color
#6B333F is a dark, moderately saturated red. In OKLCH its lightness is 40%, its chroma 0.081 and its hue 8°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.019 away. White text reads best on it, at 9.67:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.081) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.17:1 |
| White text | 9.67:1 |
Values
| HEX | #6B333F |
| RGB | rgb(107, 51, 63) |
| HSL | hsl(347, 35%, 31%) |
| OKLCH | oklch(39.8% 0.081 7.9) |
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 #6B333F | 9.67:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #6B333F | 2.17:1 | Fails | Lc 11.9 | Not readable |
| #6B333F text on white | 9.67:1 | AAA | Lc 92.1 | Preferred for body text |
| #6B333F text on black | 2.17:1 | Fails | Lc -10.3 | 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
#FBF3F4
oklch(97.1% 0.009 8.5)
-
Step 100
100
#F5E5E7
oklch(93.5% 0.018 8.8)
-
Step 200
200
#EED0D5
oklch(88.4% 0.034 6.4)
-
Step 300
300
#E4B1B9
oklch(80.9% 0.06 8)
-
Step 400
400
#D58795
oklch(70.8% 0.097 8.2)
-
Step 500
500
#C7677B
oklch(63.1% 0.123 8)
-
Step 600
600
#B24C64
oklch(55.5% 0.134 7.9)
-
Step 700
700
#993D53
oklch(49.1% 0.124 8.1)
-
Step 800
800
#7C3344
oklch(42.7% 0.103 8)
-
Step 900
900 (this color)
#6B333F
oklch(39.8% 0.081 7.9)
-
Step 950
950
#3B1B22
oklch(27% 0.051 7.1)
#6B333F 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) | #3D3E3F | 0.089 |
| Deuteranopia (no green cones) | #4B493E | 0.083 |
| Tritanopia (no blue cones) | #742D37 | 0.022 |
| Achromatopsia (no color) | #444444 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B333F
#6B333F
oklch(39.8% 0.081 7.9)
- #00534E
#00534E
oklch(39.8% 0.069 187.8)
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 #6B333F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.019
- Brownish Purple #76424E ΔE 0.048
- Chestnut #742802 ΔE 0.067
- Wine Red #7B0323 ΔE 0.073
- Bordeaux #7B002C ΔE 0.073
- Merlot #730039 ΔE 0.077
- Wine #80013F ΔE 0.077
- Red Purple #820747 ΔE 0.079
Use #6B333F 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.