#5B2556
Closest named color: Grape Purple (#5D1451). oklch(36.1% 0.104 331.2), rgb(91, 37, 86).
Aa
White text reads best on this color (11.38:1).
About this color
#5B2556 is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.104 and its hue 331°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.032 away. White text reads best on it, at 11.38:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.84:1 |
| White text | 11.38:1 |
Values
| HEX | #5B2556 |
| RGB | rgb(91, 37, 86) |
| HSL | hsl(306, 42%, 25%) |
| OKLCH | oklch(36.1% 0.104 331.2) |
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 #5B2556 | 11.38:1 | AAA | Lc -99.6 | Preferred for body text |
| Black text on #5B2556 | 1.84:1 | Fails | Lc 8.1 | Not readable |
| #5B2556 text on white | 11.38:1 | AAA | Lc 95.8 | Preferred for body text |
| #5B2556 text on black | 1.84:1 | 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
#F3E5F1
oklch(93.6% 0.022 330.3)
-
Step 200
200
#EBCFE6
oklch(88.5% 0.044 331.9)
-
Step 300
300
#DFAFD8
oklch(81% 0.078 331.3)
-
Step 400
400
#CD83C4
oklch(70.8% 0.124 331.2)
-
Step 500
500
#BE60B5
oklch(63% 0.16 331)
-
Step 600
600
#AA44A1
oklch(55.7% 0.174 331.2)
-
Step 700
700
#913589
oklch(49.1% 0.16 331.3)
-
Step 800
800
#762D70
oklch(42.7% 0.133 330.9)
-
Step 900
900 (this color)
#5B2556
oklch(36.1% 0.104 331.2)
-
Step 950
950
#381935
oklch(27% 0.065 330.9)
#5B2556 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) | #223558 | 0.106 |
| Deuteranopia (no green cones) | #333D54 | 0.094 |
| Tritanopia (no blue cones) | #5F2A39 | 0.057 |
| Achromatopsia (no color) | #3A3A3A | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B2556
#5B2556
oklch(36.1% 0.104 331.2)
- #004B21
#004B21
oklch(36.1% 0.097 151.2)
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 #5B2556, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.032
- Rich Purple #720058 ΔE 0.062
- Velvet #750851 ΔE 0.062
- Plum Purple #4E0550 ΔE 0.066
- Merlot #730039 ΔE 0.075
- Deep Violet #490648 ΔE 0.075
- Purple Brown #673A3F ΔE 0.083
- Royal Purple #4B006E ΔE 0.086
Use #5B2556 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.