#5B2158
Closest named color: Grape Purple (#5D1451). oklch(35.7% 0.113 329.7), rgb(91, 33, 88).
Aa
White text reads best on this color (11.64:1).
About this color
#5B2158 is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.113 and its hue 330°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.024 away. White text reads best on it, at 11.64:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.113) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.80:1 |
| White text | 11.64:1 |
Values
| HEX | #5B2158 |
| RGB | rgb(91, 33, 88) |
| HSL | hsl(303, 47%, 24%) |
| OKLCH | oklch(35.7% 0.113 329.7) |
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 #5B2158 | 11.64:1 | AAA | Lc -99.9 | Preferred for body text |
| Black text on #5B2158 | 1.80:1 | Fails | Lc 7.7 | Not readable |
| #5B2158 text on white | 11.64:1 | AAA | Lc 96.2 | Preferred for body text |
| #5B2158 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
#FAF3F9
oklch(97.1% 0.011 330.1)
-
Step 100
100
#F4E4F2
oklch(93.6% 0.025 329.7)
-
Step 200
200
#ECCFE8
oklch(88.6% 0.046 330.5)
-
Step 300
300
#E0ADDB
oklch(80.8% 0.085 329.6)
-
Step 400
400
#CF80C9
oklch(70.7% 0.135 329.6)
-
Step 500
500
#C15CBB
oklch(63.1% 0.174 329.7)
-
Step 600
600
#AC3EA7
oklch(55.6% 0.189 329.6)
-
Step 700
700
#932F8F
oklch(49% 0.175 329.5)
-
Step 800
800
#782974
oklch(42.8% 0.144 329.8)
-
Step 900
900 (this color)
#5B2158
oklch(35.7% 0.113 329.7)
-
Step 950
950
#391837
oklch(27.1% 0.071 329.6)
#5B2158 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) | #1D335A | 0.115 |
| Deuteranopia (no green cones) | #303B56 | 0.100 |
| Tritanopia (no blue cones) | #5E2739 | 0.061 |
| Achromatopsia (no color) | #383838 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B2158
#5B2158
oklch(35.7% 0.113 329.7)
- #004A1D
#004A1D
oklch(35.7% 0.099 149.6)
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 #5B2158, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.024
- Rich Purple #720058 ΔE 0.057
- Plum Purple #4E0550 ΔE 0.058
- Velvet #750851 ΔE 0.060
- Deep Violet #490648 ΔE 0.069
- Merlot #730039 ΔE 0.076
- Royal Purple #4B006E ΔE 0.078
- Eggplant Purple #430541 ΔE 0.085
Use #5B2158 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.