#6B1566
Closest named color: Rich Purple (#720058). oklch(37.9% 0.151 330.7), rgb(107, 21, 102).
Aa
White text reads best on this color (10.91:1).
About this color
#6B1566 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.151 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 0.031 away. White text reads best on it, at 10.91:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Rich Purple (#720058) |
| Black text | 1.92:1 |
| White text | 10.91:1 |
Values
| HEX | #6B1566 |
| RGB | rgb(107, 21, 102) |
| HSL | hsl(303, 67%, 25%) |
| OKLCH | oklch(37.9% 0.151 330.7) |
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 #6B1566 | 10.91:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #6B1566 | 1.92:1 | Fails | Lc 9.8 | Not readable |
| #6B1566 text on white | 10.91:1 | AAA | Lc 94.1 | Preferred for body text |
| #6B1566 text on black | 1.92:1 | Fails | Lc -8.5 | 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
#FCF2FA
oklch(97.1% 0.015 332.2)
-
Step 100
100
#F7E2F4
oklch(93.5% 0.033 330.4)
-
Step 200
200
#F2CBED
oklch(88.6% 0.062 330.3)
-
Step 300
300
#EBA6E3
oklch(81% 0.113 330.6)
-
Step 400
400
#DE71D4
oklch(70.8% 0.181 330.8)
-
Step 500
500
#D241C8
oklch(63.1% 0.231 330.9)
-
Step 600
600
#BD04B5
oklch(55.6% 0.251 330.7)
-
Step 700
700
#A00099
oklch(49.1% 0.223 330.7)
-
Step 800
800
#84017E
oklch(42.7% 0.193 330.8)
-
Step 900
900 (this color)
#6B1566
oklch(37.9% 0.151 330.7)
-
Step 950
950
#3F0F3B
oklch(27% 0.095 331.4)
#6B1566 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) | #0A3568 | 0.164 |
| Deuteranopia (no green cones) | #314164 | 0.137 |
| Tritanopia (no blue cones) | #6F213D | 0.080 |
| Achromatopsia (no color) | #3D3D3D | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B1566
#6B1566
oklch(37.9% 0.151 330.7)
- #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 #6B1566, closest first.
No curated palette has a color within ΔE 0.04 of #6B1566.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Purple #720058 ΔE 0.031
- Velvet #750851 ΔE 0.043
- Grape Purple #5D1451 ΔE 0.046
- Purple #800080 ΔE 0.060
- Red Purple #820747 ΔE 0.075
- Plum Purple #4E0550 ΔE 0.079
- Merlot #730039 ΔE 0.079
- Wine #80013F ΔE 0.082
Use #6B1566 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.