#6B2171
Closest named color: Rich Purple (#720058). oklch(39.7% 0.146 324.7), rgb(107, 33, 113).
Aa
White text reads best on this color (10.09:1).
About this color
#6B2171 is a dark, vivid purple. In OKLCH its lightness is 40%, its chroma 0.146 and its hue 325°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Purple (#720058), ΔE 0.053 away. White text reads best on it, at 10.09:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Rich Purple (#720058) |
| Black text | 2.08:1 |
| White text | 10.09:1 |
Values
| HEX | #6B2171 |
| RGB | rgb(107, 33, 113) |
| HSL | hsl(296, 55%, 29%) |
| OKLCH | oklch(39.7% 0.146 324.7) |
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 #6B2171 | 10.09:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #6B2171 | 2.08:1 | Fails | Lc 11.4 | Not readable |
| #6B2171 text on white | 10.09:1 | AAA | Lc 92.6 | Preferred for body text |
| #6B2171 text on black | 2.08:1 | Fails | Lc -9.8 | 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
#FBF2FB
oklch(97.1% 0.015 325.7)
-
Step 100
100
#F5E3F6
oklch(93.6% 0.032 324.2)
-
Step 200
200
#EECCF0
oklch(88.5% 0.061 324.3)
-
Step 300
300
#E4A8E8
oklch(80.8% 0.109 324.4)
-
Step 400
400
#D576DC
oklch(70.7% 0.174 324.7)
-
Step 500
500
#C84AD2
oklch(63.1% 0.223 324.7)
-
Step 600
600
#B31FBF
oklch(55.6% 0.242 324.6)
-
Step 700
700
#9A09A5
oklch(49.1% 0.226 324.6)
-
Step 800
800
#7D1286
oklch(42.7% 0.187 324.5)
-
Step 900
900 (this color)
#6B2171
oklch(39.7% 0.146 324.7)
-
Step 950
950
#3B123F
oklch(27% 0.092 324.1)
#6B2171 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) | #0E3C73 | 0.151 |
| Deuteranopia (no green cones) | #30456F | 0.128 |
| Tritanopia (no blue cones) | #6D2E46 | 0.085 |
| Achromatopsia (no color) | #424242 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B2171
#6B2171
oklch(39.7% 0.146 324.7)
- #005711
#005711
oklch(39.7% 0.126 144.7)
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 #6B2171, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Purple #720058 ΔE 0.053
- Purple #800080 ΔE 0.055
- Velvet #750851 ΔE 0.061
- Grape Purple #5D1451 ΔE 0.064
- Rebecca Purple #663399 ΔE 0.073
- Dark Magenta #8B008B ΔE 0.079
- Red Purple #820747 ΔE 0.087
- Royal Purple #4B006E ΔE 0.089
Use #6B2171 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.