#5B1D63
Closest named color: Grape Purple (#5D1451). oklch(35.9% 0.129 322.9), rgb(91, 29, 99).
Aa
White text reads best on this color (11.66:1).
About this color
#5B1D63 is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.129 and its hue 323°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.033 away. White text reads best on it, at 11.66:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.80:1 |
| White text | 11.66:1 |
Values
| HEX | #5B1D63 |
| RGB | rgb(91, 29, 99) |
| HSL | hsl(293, 55%, 25%) |
| OKLCH | oklch(35.9% 0.129 322.9) |
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 #5B1D63 | 11.66:1 | AAA | Lc -99.8 | Preferred for body text |
| Black text on #5B1D63 | 1.80:1 | Fails | Lc 7.8 | Not readable |
| #5B1D63 text on white | 11.66:1 | AAA | Lc 96.1 | Preferred for body text |
| #5B1D63 text on black | 1.80:1 | 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
#FAF3FB
oklch(97.2% 0.013 321.9)
-
Step 100
100
#F3E4F5
oklch(93.6% 0.028 322.2)
-
Step 200
200
#EBCEEE
oklch(88.5% 0.053 323.1)
-
Step 300
300
#DFACE5
oklch(80.9% 0.096 322.9)
-
Step 400
400
#CE7CD8
oklch(70.6% 0.156 323)
-
Step 500
500
#C056CD
oklch(63.1% 0.198 323.2)
-
Step 600
600
#AB34BA
oklch(55.6% 0.216 323)
-
Step 700
700
#9325A0
oklch(49.2% 0.2 323.2)
-
Step 800
800
#772282
oklch(42.7% 0.166 322.9)
-
Step 900
900 (this color)
#5B1D63
oklch(35.9% 0.129 322.9)
-
Step 950
950
#39163D
oklch(27.1% 0.081 323.4)
#5B1D63 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) | #0B3465 | 0.132 |
| Deuteranopia (no green cones) | #273B61 | 0.113 |
| Tritanopia (no blue cones) | #5C283D | 0.077 |
| Achromatopsia (no color) | #383838 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B1D63
#5B1D63
oklch(35.9% 0.129 322.9)
- #004B03
#004B03
oklch(35.8% 0.12 143)
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 #5B1D63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.033
- Rich Purple #720058 ΔE 0.057
- Plum Purple #4E0550 ΔE 0.057
- Royal Purple #4B006E ΔE 0.061
- Velvet #750851 ΔE 0.066
- Deep Violet #490648 ΔE 0.072
- Indigo #4B0082 ΔE 0.078
- Eggplant Purple #430541 ΔE 0.089
Use #5B1D63 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.