#6C3752
Closest named color: Purple Brown (#673A3F). oklch(41.3% 0.083 349.5), rgb(108, 55, 82).
Aa
White text reads best on this color (9.10:1).
About this color
#6C3752 is a dark, moderately saturated red. In OKLCH its lightness is 41%, its chroma 0.083 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.036 away. White text reads best on it, at 9.10:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.083) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.30:1 |
| White text | 9.10:1 |
Values
| HEX | #6C3752 |
| RGB | rgb(108, 55, 82) |
| HSL | hsl(329, 33%, 32%) |
| OKLCH | oklch(41.3% 0.083 349.5) |
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 #6C3752 | 9.10:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #6C3752 | 2.30:1 | Fails | Lc 13.3 | Not readable |
| #6C3752 text on white | 9.10:1 | AAA | Lc 90.7 | Preferred for body text |
| #6C3752 text on black | 2.30:1 | Fails | Lc -11.6 | 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 800.
-
Step 50
50
#F9F4F6
oklch(97.2% 0.006 350.8)
-
Step 100
100
#F2E6EB
oklch(93.6% 0.015 350.1)
-
Step 200
200
#E8D2DC
oklch(88.5% 0.028 348.4)
-
Step 300
300
#DAB4C5
oklch(80.8% 0.049 349.6)
-
Step 400
400
#C68DA8
oklch(70.7% 0.078 349.3)
-
Step 500
500
#B67092
oklch(63.1% 0.098 349.7)
-
Step 600
600
#A1577D
oklch(55.5% 0.108 349.1)
-
Step 700
700
#8A4769
oklch(49.1% 0.1 349.7)
-
Step 800
800 (this color)
#6C3752
oklch(41.3% 0.083 349.5)
-
Step 900
900
#5B3347
oklch(37.8% 0.064 349.3)
-
Step 950
950
#351E29
oklch(26.9% 0.04 350)
#6C3752 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) | #3C4353 | 0.090 |
| Deuteranopia (no green cones) | #4A4C51 | 0.082 |
| Tritanopia (no blue cones) | #733641 | 0.031 |
| Achromatopsia (no color) | #484848 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C3752
#6C3752
oklch(41.3% 0.083 349.5)
- #005944
#005944
oklch(41.3% 0.082 169.8)
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 #6C3752, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.036
- Brownish Purple #76424E ΔE 0.040
- Red Purple #820747 ΔE 0.078
- Velvet #750851 ΔE 0.079
- Dark Mauve #874C62 ΔE 0.080
- Wine #80013F ΔE 0.081
- Merlot #730039 ΔE 0.085
- Grape Purple #5D1451 ΔE 0.088
Use #6C3752 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.