#6B1866
Closest named color: Rich Purple (#720058). oklch(38.1% 0.147 330.7), rgb(107, 24, 102).
Aa
White text reads best on this color (10.78:1).
About this color
#6B1866 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.147 and its hue 331°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Purple (#720058), ΔE 0.033 away. White text reads best on it, at 10.78:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.147) |
| Temperature | in between |
| Nearest name | Rich Purple (#720058) |
| Black text | 1.94:1 |
| White text | 10.78:1 |
Values
| HEX | #6B1866 |
| RGB | rgb(107, 24, 102) |
| HSL | hsl(304, 63%, 26%) |
| OKLCH | oklch(38.1% 0.147 330.7) |
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 #6B1866 | 10.78:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #6B1866 | 1.94:1 | Fails | Lc 10.0 | Not readable |
| #6B1866 text on white | 10.78:1 | AAA | Lc 93.9 | Preferred for body text |
| #6B1866 text on black | 1.94:1 | 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
#FCF2FA
oklch(97.1% 0.015 332.2)
-
Step 100
100
#F7E3F4
oklch(93.7% 0.031 330.7)
-
Step 200
200
#F2CBEC
oklch(88.5% 0.061 331.3)
-
Step 300
300
#EAA6E2
oklch(80.9% 0.111 330.7)
-
Step 400
400
#DD72D3
oklch(70.7% 0.177 330.8)
-
Step 500
500
#D044C7
oklch(63% 0.226 330.6)
-
Step 600
600
#BC10B4
oklch(55.7% 0.246 330.7)
-
Step 700
700
#A00099
oklch(49.1% 0.223 330.7)
-
Step 800
800
#83077D
oklch(42.7% 0.189 330.8)
-
Step 900
900 (this color)
#6B1866
oklch(38.1% 0.147 330.7)
-
Step 950
950
#3E103B
oklch(27% 0.093 330.5)
#6B1866 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) | #0F3668 | 0.159 |
| Deuteranopia (no green cones) | #324164 | 0.133 |
| Tritanopia (no blue cones) | #6F233D | 0.080 |
| Achromatopsia (no color) | #3D3D3D | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B1866
#6B1866
oklch(38.1% 0.147 330.7)
- #005123
#005123
oklch(38% 0.103 150.7)
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 #6B1866, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Purple #720058 ΔE 0.033
- Velvet #750851 ΔE 0.043
- Grape Purple #5D1451 ΔE 0.046
- Purple #800080 ΔE 0.061
- Red Purple #820747 ΔE 0.074
- Merlot #730039 ΔE 0.079
- Plum Purple #4E0550 ΔE 0.080
- Wine #80013F ΔE 0.081
Use #6B1866 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.