#6B0371
Closest named color: Rich Purple (#720058). oklch(37.6% 0.173 325.5), rgb(107, 3, 113).
Aa
White text reads best on this color (11.19:1).
About this color
#6B0371 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.173 and its hue 326°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Purple (#720058), ΔE 0.048 away. White text reads best on it, at 11.19:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.173) |
| Temperature | in between |
| Nearest name | Rich Purple (#720058) |
| Black text | 1.87:1 |
| White text | 11.19:1 |
Values
| HEX | #6B0371 |
| RGB | rgb(107, 3, 113) |
| HSL | hsl(297, 95%, 23%) |
| OKLCH | oklch(37.6% 0.173 325.5) |
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 #6B0371 | 11.19:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #6B0371 | 1.87:1 | Fails | Lc 10.0 | Not readable |
| #6B0371 text on white | 11.19:1 | AAA | Lc 94.0 | Preferred for body text |
| #6B0371 text on black | 1.87:1 | Fails | Lc -8.6 | 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 900.
-
Step 50
50
#FCF2FC
oklch(97.2% 0.017 325.7)
-
Step 100
100
#F8E2F8
oklch(93.7% 0.038 325.9)
-
Step 200
200
#F2C9F3
oklch(88.4% 0.072 325.4)
-
Step 300
300
#EBA3EE
oklch(80.9% 0.129 325.3)
-
Step 400
400
#DF6AE5
oklch(70.8% 0.207 325.6)
-
Step 500
500
#D32FDD
oklch(63.1% 0.265 325.5)
-
Step 600
600
#B800C2
oklch(55.6% 0.259 325.5)
-
Step 700
700
#9C00A4
oklch(49.1% 0.229 325.7)
-
Step 800
800
#800088
oklch(42.6% 0.199 325.2)
-
Step 900
900 (this color)
#6B0371
oklch(37.6% 0.173 325.5)
-
Step 950
950
#3F0A42
oklch(27% 0.108 325.7)
#6B0371 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) | #003474 | 0.175 |
| Deuteranopia (no green cones) | #233F6F | 0.158 |
| Tritanopia (no blue cones) | #6E1F40 | 0.099 |
| Achromatopsia (no color) | #3B3B3B | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B0371
#6B0371
oklch(37.6% 0.173 325.5)
- #005013
#005013
oklch(37.5% 0.116 145.6)
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 #6B0371, closest first.
No curated palette has a color within ΔE 0.04 of #6B0371.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Purple #720058 ΔE 0.048
- Purple #800080 ΔE 0.050
- Grape Purple #5D1451 ΔE 0.063
- Velvet #750851 ΔE 0.064
- Royal Purple #4B006E ΔE 0.074
- Dark Magenta #8B008B ΔE 0.079
- Indigo #4B0082 ΔE 0.082
- Plum Purple #4E0550 ΔE 0.083
Use #6B0371 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.