#5B2568
Closest named color: Grape Purple (#5D1451). oklch(37.2% 0.122 319.4), rgb(91, 37, 104).
Aa
White text reads best on this color (10.99:1).
About this color
#5B2568 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.122 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.047 away. White text reads best on it, at 10.99:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.90:1 |
| White text | 10.99:1 |
Values
| HEX | #5B2568 |
| RGB | rgb(91, 37, 104) |
| HSL | hsl(288, 48%, 28%) |
| OKLCH | oklch(37.2% 0.122 319.4) |
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 #5B2568 | 10.99:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #5B2568 | 1.90:1 | Fails | Lc 9.0 | Not readable |
| #5B2568 text on white | 10.99:1 | AAA | Lc 94.9 | Preferred for body text |
| #5B2568 text on black | 1.90:1 | Fails | Lc -7.7 | 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
#F9F3FB
oklch(97.1% 0.012 317.7)
-
Step 100
100
#F2E5F5
oklch(93.7% 0.025 319.9)
-
Step 200
200
#E8CFEF
oklch(88.5% 0.051 318.8)
-
Step 300
300
#DBAEE6
oklch(80.9% 0.091 319.6)
-
Step 400
400
#C880DA
oklch(70.7% 0.148 319.4)
-
Step 500
500
#B95CCF
oklch(63.1% 0.188 319.6)
-
Step 600
600
#A43DBC
oklch(55.6% 0.204 319.5)
-
Step 700
700
#8C2EA2
oklch(49.1% 0.189 319.3)
-
Step 800
800
#722883
oklch(42.7% 0.156 319.6)
-
Step 900
900 (this color)
#5B2568
oklch(37.2% 0.122 319.4)
-
Step 950
950
#36183E
oklch(27.1% 0.077 318.8)
#5B2568 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) | #14396A | 0.118 |
| Deuteranopia (no green cones) | #2A3E66 | 0.102 |
| Tritanopia (no blue cones) | #5B3043 | 0.076 |
| Achromatopsia (no color) | #3C3C3C | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B2568
#5B2568
oklch(37.2% 0.122 319.4)
- #164E00
#164E00
oklch(37.2% 0.118 139.3)
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 #5B2568, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.047
- Rich Purple #720058 ΔE 0.065
- Royal Purple #4B006E ΔE 0.070
- Velvet #750851 ΔE 0.072
- Plum Purple #4E0550 ΔE 0.072
- Indigo #4B0082 ΔE 0.080
- Dark Slate Blue #483D8B ΔE 0.083
- Deep Violet #490648 ΔE 0.086
Use #5B2568 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.