#6C3151
Closest named color: Purple Brown (#673A3F). oklch(40.3% 0.093 348.4), rgb(108, 49, 81).
Aa
White text reads best on this color (9.56:1).
About this color
#6C3151 is a dark, moderately saturated red. In OKLCH its lightness is 40%, its chroma 0.093 and its hue 348°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.044 away. White text reads best on it, at 9.56:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.093) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.19:1 |
| White text | 9.56:1 |
Values
| HEX | #6C3151 |
| RGB | rgb(108, 49, 81) |
| HSL | hsl(327, 38%, 31%) |
| OKLCH | oklch(40.3% 0.093 348.4) |
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 #6C3151 | 9.56:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #6C3151 | 2.19:1 | Fails | Lc 12.2 | Not readable |
| #6C3151 text on white | 9.56:1 | AAA | Lc 91.8 | Preferred for body text |
| #6C3151 text on black | 2.19:1 | Fails | Lc -10.6 | 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
#F9F3F6
oklch(97% 0.008 345.3)
-
Step 100
100
#F3E6EC
oklch(93.7% 0.016 347.6)
-
Step 200
200
#E9D1DC
oklch(88.4% 0.03 348.3)
-
Step 300
300
#DDB3C7
oklch(81% 0.055 348.1)
-
Step 400
400
#CA8AAA
oklch(70.7% 0.088 348.2)
-
Step 500
500
#BB6C95
oklch(63.1% 0.112 348.4)
-
Step 600
600
#A6537F
oklch(55.7% 0.121 348.7)
-
Step 700
700
#8E436B
oklch(49.1% 0.113 348.8)
-
Step 800
800 (this color)
#6C3151
oklch(40.3% 0.093 348.4)
-
Step 900
900
#5D3048
oklch(37.6% 0.073 348)
-
Step 950
950
#371D2A
oklch(27.1% 0.045 349.2)
#6C3151 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) | #373F52 | 0.101 |
| Deuteranopia (no green cones) | #474950 | 0.091 |
| Tritanopia (no blue cones) | #732F3D | 0.035 |
| Achromatopsia (no color) | #454545 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C3151
#6C3151
oklch(40.3% 0.093 348.4)
- #005640
#005640
oklch(40.3% 0.081 168.2)
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 #6C3151, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.044
- Brownish Purple #76424E ΔE 0.053
- Velvet #750851 ΔE 0.065
- Red Purple #820747 ΔE 0.067
- Wine #80013F ΔE 0.070
- Merlot #730039 ΔE 0.073
- Grape Purple #5D1451 ΔE 0.074
- Rich Purple #720058 ΔE 0.076
Use #6C3151 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.