#5B256D
Closest named color: Grape Purple (#5D1451). oklch(37.6% 0.128 316.7), rgb(91, 37, 109).
Aa
White text reads best on this color (10.87:1).
About this color
#5B256D is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.128 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.054 away. White text reads best on it, at 10.87:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.93:1 |
| White text | 10.87:1 |
Values
| HEX | #5B256D |
| RGB | rgb(91, 37, 109) |
| HSL | hsl(285, 49%, 29%) |
| OKLCH | oklch(37.6% 0.128 316.7) |
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 #5B256D | 10.87:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #5B256D | 1.93:1 | Fails | Lc 9.3 | Not readable |
| #5B256D text on white | 10.87:1 | AAA | Lc 94.6 | Preferred for body text |
| #5B256D text on black | 1.93:1 | Fails | Lc -8.0 | 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
#F9F3FB
oklch(97.1% 0.012 317.7)
-
Step 100
100
#F2E5F7
oklch(93.7% 0.028 316.7)
-
Step 200
200
#E8CFF1
oklch(88.6% 0.053 317.1)
-
Step 300
300
#DAAEEA
oklch(81% 0.095 316.9)
-
Step 400
400
#C680DF
oklch(70.7% 0.152 316.8)
-
Step 500
500
#B75BD6
oklch(63.1% 0.195 316.8)
-
Step 600
600
#A23BC3
oklch(55.5% 0.212 316.7)
-
Step 700
700
#8B2BA9
oklch(49.1% 0.198 316.7)
-
Step 800
800
#712689
oklch(42.7% 0.164 316.7)
-
Step 900
900 (this color)
#5B256D
oklch(37.6% 0.128 316.7)
-
Step 950
950
#361740
oklch(27% 0.081 317.2)
#5B256D 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) | #0D3A6F | 0.122 |
| Deuteranopia (no green cones) | #263F6B | 0.106 |
| Tritanopia (no blue cones) | #5A3245 | 0.083 |
| Achromatopsia (no color) | #3D3D3D | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B256D
#5B256D
oklch(37.6% 0.128 316.7)
- #204E00
#204E00
oklch(37.6% 0.113 136.7)
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 #5B256D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.054
- Royal Purple #4B006E ΔE 0.068
- Rich Purple #720058 ΔE 0.069
- Indigo #4B0082 ΔE 0.075
- Plum Purple #4E0550 ΔE 0.077
- Velvet #750851 ΔE 0.077
- Dark Slate Blue #483D8B ΔE 0.077
- Rebecca Purple #663399 ΔE 0.080
Use #5B256D 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.