#5B1858
Closest named color: Grape Purple (#5D1451). oklch(34.6% 0.126 329.8), rgb(91, 24, 88).
Aa
White text reads best on this color (12.23:1).
About this color
#5B1858 is a dark, moderately saturated purple. In OKLCH its lightness is 35%, its chroma 0.126 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 0.014 away. White text reads best on it, at 12.23:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.71:1 |
| White text | 12.23:1 |
Values
| HEX | #5B1858 |
| RGB | rgb(91, 24, 88) |
| HSL | hsl(303, 58%, 23%) |
| OKLCH | oklch(34.6% 0.126 329.8) |
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 #5B1858 | 12.23:1 | AAA | Lc -100.7 | Preferred for body text |
| Black text on #5B1858 | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #5B1858 text on white | 12.23:1 | AAA | Lc 97.1 | Preferred for body text |
| #5B1858 text on black | 1.71:1 | 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
#FBF3FA
oklch(97.2% 0.013 329.6)
-
Step 100
100
#F5E4F3
oklch(93.7% 0.027 329.5)
-
Step 200
200
#EECDEA
oklch(88.5% 0.053 330)
-
Step 300
300
#E4ABDE
oklch(81% 0.094 330)
-
Step 400
400
#D47BCD
oklch(70.7% 0.151 329.9)
-
Step 500
500
#C754C0
oklch(63.1% 0.194 330)
-
Step 600
600
#B232AC
oklch(55.6% 0.211 330)
-
Step 700
700
#992394
oklch(49.2% 0.196 330)
-
Step 800
800
#7C2078
oklch(42.7% 0.162 329.9)
-
Step 900
900 (this color)
#5B1858
oklch(34.6% 0.126 329.8)
-
Step 950
950
#3B1539
oklch(27% 0.08 329.6)
#5B1858 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) | #112F5A | 0.134 |
| Deuteranopia (no green cones) | #2B3856 | 0.114 |
| Tritanopia (no blue cones) | #5F2036 | 0.068 |
| Achromatopsia (no color) | #353535 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B1858
#5B1858
oklch(34.6% 0.126 329.8)
- #00471C
#00471C
oklch(34.8% 0.096 149.8)
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 #5B1858, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.014
- Plum Purple #4E0550 ΔE 0.045
- Rich Purple #720058 ΔE 0.051
- Deep Violet #490648 ΔE 0.058
- Velvet #750851 ΔE 0.058
- Royal Purple #4B006E ΔE 0.067
- Eggplant Purple #430541 ΔE 0.075
- Merlot #730039 ΔE 0.076
Use #5B1858 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.