#521B57
Closest named color: Grape Purple (#5D1451). oklch(33.4% 0.116 324.3), rgb(82, 27, 87).
Aa
White text reads best on this color (12.70:1).
About this color
#521B57 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.116 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.027 away. White text reads best on it, at 12.70:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.116) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.65:1 |
| White text | 12.70:1 |
Values
| HEX | #521B57 |
| RGB | rgb(82, 27, 87) |
| HSL | hsl(295, 53%, 22%) |
| OKLCH | oklch(33.4% 0.116 324.3) |
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 #521B57 | 12.70:1 | AAA | Lc -101.6 | Preferred for body text |
| Black text on #521B57 | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #521B57 text on white | 12.70:1 | AAA | Lc 98.1 | Preferred for body text |
| #521B57 text on black | 1.65:1 | 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
#FAF3FA
oklch(97.2% 0.012 325.7)
-
Step 100
100
#F3E4F3
oklch(93.5% 0.026 325.8)
-
Step 200
200
#EACFEB
oklch(88.5% 0.048 324.9)
-
Step 300
300
#DDAEE0
oklch(80.9% 0.086 324.4)
-
Step 400
400
#CB81D1
oklch(70.8% 0.139 324.2)
-
Step 500
500
#BC5DC4
oklch(63% 0.177 324.4)
-
Step 600
600
#A73FB1
oklch(55.5% 0.193 324.1)
-
Step 700
700
#8F3098
oklch(49.1% 0.179 324.2)
-
Step 800
800
#74297B
oklch(42.6% 0.148 324.2)
-
Step 900
900 (this color)
#521B57
oklch(33.4% 0.116 324.3)
-
Step 950
950
#37183A
oklch(27% 0.072 324)
#521B57 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) | #0F2E59 | 0.118 |
| Deuteranopia (no green cones) | #253555 | 0.101 |
| Tritanopia (no blue cones) | #542436 | 0.068 |
| Achromatopsia (no color) | #333333 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #521B57
#521B57
oklch(33.4% 0.116 324.3)
- #004409
#004409
oklch(33.6% 0.108 144.3)
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 #521B57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.027
- Plum Purple #4E0550 ΔE 0.037
- Deep Violet #490648 ΔE 0.047
- Royal Purple #4B006E ΔE 0.060
- Eggplant Purple #430541 ΔE 0.064
- Rich Purple #720058 ΔE 0.071
- Velvet #750851 ΔE 0.077
- Indigo #4B0082 ΔE 0.085
Use #521B57 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.