#5B1857
Closest named color: Grape Purple (#5D1451). oklch(34.6% 0.125 330.4), rgb(91, 24, 87).
Aa
White text reads best on this color (12.25:1).
About this color
#5B1857 is a dark, moderately saturated purple. In OKLCH its lightness is 35%, its chroma 0.125 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 0.012 away. White text reads best on it, at 12.25:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.71:1 |
| White text | 12.25:1 |
Values
| HEX | #5B1857 |
| RGB | rgb(91, 24, 87) |
| HSL | hsl(304, 58%, 23%) |
| OKLCH | oklch(34.6% 0.125 330.4) |
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 #5B1857 | 12.25:1 | AAA | Lc -100.7 | Preferred for body text |
| Black text on #5B1857 | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #5B1857 text on white | 12.25:1 | AAA | Lc 97.1 | Preferred for body text |
| #5B1857 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
#FBF3F9
oklch(97.2% 0.012 334.1)
-
Step 100
100
#F5E4F3
oklch(93.7% 0.027 329.5)
-
Step 200
200
#EECDEA
oklch(88.5% 0.053 330)
-
Step 300
300
#E4ABDD
oklch(80.9% 0.093 330.6)
-
Step 400
400
#D47BCC
oklch(70.6% 0.15 330.3)
-
Step 500
500
#C754BF
oklch(63.1% 0.193 330.4)
-
Step 600
600
#B233AB
oklch(55.6% 0.209 330.3)
-
Step 700
700
#992393
oklch(49.1% 0.195 330.3)
-
Step 800
800
#7C2077
oklch(42.6% 0.161 330.3)
-
Step 900
900 (this color)
#5B1857
oklch(34.6% 0.125 330.4)
-
Step 950
950
#3B1538
oklch(27% 0.079 330.6)
#5B1857 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) | #122F59 | 0.133 |
| Deuteranopia (no green cones) | #2B3855 | 0.114 |
| Tritanopia (no blue cones) | #5F2035 | 0.068 |
| Achromatopsia (no color) | #353535 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B1857
#5B1857
oklch(34.6% 0.125 330.4)
- #00461D
#00461D
oklch(34.5% 0.094 150.5)
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 #5B1857, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.012
- Plum Purple #4E0550 ΔE 0.044
- Rich Purple #720058 ΔE 0.051
- Deep Violet #490648 ΔE 0.057
- Velvet #750851 ΔE 0.058
- Royal Purple #4B006E ΔE 0.068
- Merlot #730039 ΔE 0.074
- Eggplant Purple #430541 ΔE 0.074
Use #5B1857 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.