#5B2366
Closest named color: Grape Purple (#5D1451). oklch(36.8% 0.123 320.7), rgb(91, 35, 102).
Aa
White text reads best on this color (11.18:1).
About this color
#5B2366 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.123 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.042 away. White text reads best on it, at 11.18:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.87:1 |
| White text | 11.18:1 |
Values
| HEX | #5B2366 |
| RGB | rgb(91, 35, 102) |
| HSL | hsl(290, 49%, 27%) |
| OKLCH | oklch(36.8% 0.123 320.7) |
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 #5B2366 | 11.18:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #5B2366 | 1.87:1 | Fails | Lc 8.6 | Not readable |
| #5B2366 text on white | 11.18:1 | AAA | Lc 95.3 | Preferred for body text |
| #5B2366 text on black | 1.87:1 | Fails | Lc -7.4 | 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
#F2E4F5
oklch(93.5% 0.027 320.2)
-
Step 200
200
#E9CFEE
oklch(88.5% 0.05 320.8)
-
Step 300
300
#DCADE5
oklch(80.8% 0.092 320.9)
-
Step 400
400
#CA7FD8
oklch(70.7% 0.149 321.1)
-
Step 500
500
#BB5BCE
oklch(63.2% 0.189 320.8)
-
Step 600
600
#A63BBB
oklch(55.6% 0.207 320.6)
-
Step 700
700
#8E2CA1
oklch(49.1% 0.191 320.6)
-
Step 800
800
#742782
oklch(42.8% 0.158 321.1)
-
Step 900
900 (this color)
#5B2366
oklch(36.8% 0.123 320.7)
-
Step 950
950
#37173D
oklch(27% 0.078 321.1)
#5B2366 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) | #133768 | 0.121 |
| Deuteranopia (no green cones) | #293D64 | 0.105 |
| Tritanopia (no blue cones) | #5C2E41 | 0.076 |
| Achromatopsia (no color) | #3B3B3B | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B2366
#5B2366
oklch(36.8% 0.123 320.7)
- #0E4D00
#0E4D00
oklch(36.7% 0.12 140.7)
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 #5B2366, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.042
- Rich Purple #720058 ΔE 0.062
- Plum Purple #4E0550 ΔE 0.068
- Royal Purple #4B006E ΔE 0.068
- Velvet #750851 ΔE 0.069
- Indigo #4B0082 ΔE 0.080
- Deep Violet #490648 ΔE 0.082
- Dark Slate Blue #483D8B ΔE 0.087
Use #5B2366 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.