#5B276E
Closest named color: Grape Purple (#5D1451). oklch(37.9% 0.126 315.9), rgb(91, 39, 110).
Aa
White text reads best on this color (10.71:1).
About this color
#5B276E is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.126 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.057 away. White text reads best on it, at 10.71:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.96:1 |
| White text | 10.71:1 |
Values
| HEX | #5B276E |
| RGB | rgb(91, 39, 110) |
| HSL | hsl(284, 48%, 29%) |
| OKLCH | oklch(37.9% 0.126 315.9) |
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 #5B276E | 10.71:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #5B276E | 1.96:1 | Fails | Lc 9.6 | Not readable |
| #5B276E text on white | 10.71:1 | AAA | Lc 94.3 | Preferred for body text |
| #5B276E text on black | 1.96:1 | Fails | Lc -8.3 | 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
#F1E5F7
oklch(93.7% 0.027 314.7)
-
Step 200
200
#E7CFF1
oklch(88.5% 0.053 316)
-
Step 300
300
#D9AEEA
oklch(80.9% 0.095 316.3)
-
Step 400
400
#C581DF
oklch(70.8% 0.15 316.2)
-
Step 500
500
#B55CD6
oklch(63% 0.193 316)
-
Step 600
600
#A13DC3
oklch(55.6% 0.209 316.2)
-
Step 700
700
#892DA9
oklch(49% 0.195 315.8)
-
Step 800
800
#702889
oklch(42.8% 0.161 316)
-
Step 900
900 (this color)
#5B276E
oklch(37.9% 0.126 315.9)
-
Step 950
950
#351840
oklch(27.1% 0.079 315.9)
#5B276E 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) | #103B70 | 0.118 |
| Deuteranopia (no green cones) | #273F6C | 0.102 |
| Tritanopia (no blue cones) | #5A3346 | 0.082 |
| Achromatopsia (no color) | #3E3E3E | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B276E
#5B276E
oklch(37.9% 0.126 315.9)
- #234E00
#234E00
oklch(37.8% 0.112 135.7)
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 #5B276E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.057
- Royal Purple #4B006E ΔE 0.071
- Rich Purple #720058 ΔE 0.072
- Dark Slate Blue #483D8B ΔE 0.074
- Indigo #4B0082 ΔE 0.077
- Rebecca Purple #663399 ΔE 0.077
- Velvet #750851 ΔE 0.079
- Plum Purple #4E0550 ΔE 0.081
Use #5B276E 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.