#571B6C
Closest named color: Royal Purple (#4B006E). oklch(35.7% 0.139 315.8), rgb(87, 27, 108).
Aa
White text reads best on this color (11.80:1).
About this color
#571B6C is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.139 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.047 away. White text reads best on it, at 11.80:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.77:1 |
| White text | 11.80:1 |
Values
| HEX | #571B6C |
| RGB | rgb(87, 27, 108) |
| HSL | hsl(284, 60%, 26%) |
| OKLCH | oklch(35.7% 0.139 315.8) |
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 #571B6C | 11.80:1 | AAA | Lc -100.0 | Preferred for body text |
| Black text on #571B6C | 1.77:1 | Fails | Lc 7.6 | Not readable |
| #571B6C text on white | 11.80:1 | AAA | Lc 96.3 | Preferred for body text |
| #571B6C text on black | 1.77:1 | Fails | Lc 0.0 | 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
#F9F3FC
oklch(97.1% 0.013 314.8)
-
Step 100
100
#F2E4F8
oklch(93.6% 0.031 315.9)
-
Step 200
200
#E8CEF4
oklch(88.5% 0.058 315.2)
-
Step 300
300
#DBACEF
oklch(80.9% 0.105 315.6)
-
Step 400
400
#C87CE6
oklch(70.6% 0.168 315.8)
-
Step 500
500
#B955DE
oklch(63.1% 0.213 315.8)
-
Step 600
600
#A531CC
oklch(55.6% 0.232 315.8)
-
Step 700
700
#8D21B0
oklch(49.1% 0.215 315.8)
-
Step 800
800
#731F8F
oklch(42.8% 0.179 315.9)
-
Step 900
900 (this color)
#571B6C
oklch(35.7% 0.139 315.8)
-
Step 950
950
#361543
oklch(26.9% 0.088 315.2)
#571B6C 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) | #00346E | 0.130 |
| Deuteranopia (no green cones) | #1A396A | 0.118 |
| Tritanopia (no blue cones) | #562C41 | 0.091 |
| Achromatopsia (no color) | #383838 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #571B6C
#571B6C
oklch(35.7% 0.139 315.8)
- #1F4800
#1F4800
oklch(35.8% 0.106 136)
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 #571B6C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.047
- Grape Purple #5D1451 ΔE 0.050
- Indigo #4B0082 ΔE 0.058
- Plum Purple #4E0550 ΔE 0.061
- Rich Purple #720058 ΔE 0.071
- Deep Violet #490648 ΔE 0.076
- Velvet #750851 ΔE 0.082
- Dark Slate Blue #483D8B ΔE 0.090
Use #571B6C 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.