#6B3150
Closest named color: Purple Brown (#673A3F). oklch(40.1% 0.092 348.7), rgb(107, 49, 80).
Aa
White text reads best on this color (9.63:1).
About this color
#6B3150 is a dark, moderately saturated red. In OKLCH its lightness is 40%, its chroma 0.092 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.043 away. White text reads best on it, at 9.63:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.092) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.18:1 |
| White text | 9.63:1 |
Values
| HEX | #6B3150 |
| RGB | rgb(107, 49, 80) |
| HSL | hsl(328, 37%, 31%) |
| OKLCH | oklch(40.1% 0.092 348.7) |
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 #6B3150 | 9.63:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #6B3150 | 2.18:1 | Fails | Lc 12.0 | Not readable |
| #6B3150 text on white | 9.63:1 | AAA | Lc 91.9 | Preferred for body text |
| #6B3150 text on black | 2.18:1 | Fails | Lc -10.5 | 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
#FBF3F6
oklch(97.1% 0.009 352.4)
-
Step 100
100
#F5E5EC
oklch(93.7% 0.02 349.1)
-
Step 200
200
#EECFDD
oklch(88.4% 0.039 348.9)
-
Step 300
300
#E3AFC8
oklch(80.9% 0.068 348.3)
-
Step 400
400
#D384AC
oklch(70.7% 0.109 348.5)
-
Step 500
500
#C66297
oklch(63.1% 0.141 348.9)
-
Step 600
600
#B14782
oklch(55.7% 0.152 348.7)
-
Step 700
700
#98376E
oklch(49.1% 0.143 348.6)
-
Step 800
800
#7B2F59
oklch(42.7% 0.117 348.9)
-
Step 900
900 (this color)
#6B3150
oklch(40.1% 0.092 348.7)
-
Step 950
950
#3B192B
oklch(27% 0.059 348.8)
#6B3150 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) | #373F51 | 0.099 |
| Deuteranopia (no green cones) | #47484F | 0.088 |
| Tritanopia (no blue cones) | #722F3D | 0.034 |
| Achromatopsia (no color) | #454545 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B3150
#6B3150
oklch(40.1% 0.092 348.7)
- #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 #6B3150, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.043
- Brownish Purple #76424E ΔE 0.054
- Velvet #750851 ΔE 0.066
- Red Purple #820747 ΔE 0.068
- Wine #80013F ΔE 0.071
- Merlot #730039 ΔE 0.072
- Grape Purple #5D1451 ΔE 0.074
- Rich Purple #720058 ΔE 0.077
Use #6B3150 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.