#5B2F66
Closest named color: Grape Purple (#5D1451). oklch(38.6% 0.103 319.3), rgb(91, 47, 102).
Aa
White text reads best on this color (10.27:1).
About this color
#5B2F66 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.103 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.060 away. White text reads best on it, at 10.27:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.103) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.04:1 |
| White text | 10.27:1 |
Values
| HEX | #5B2F66 |
| RGB | rgb(91, 47, 102) |
| HSL | hsl(288, 37%, 29%) |
| OKLCH | oklch(38.6% 0.103 319.3) |
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 #5B2F66 | 10.27:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #5B2F66 | 2.04:1 | Fails | Lc 10.4 | Not readable |
| #5B2F66 text on white | 10.27:1 | AAA | Lc 93.5 | Preferred for body text |
| #5B2F66 text on black | 2.04:1 | Fails | Lc -9.0 | 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
#F9F3FA
oklch(97.1% 0.011 321.3)
-
Step 100
100
#F1E5F3
oklch(93.5% 0.023 321.4)
-
Step 200
200
#E6D1EB
oklch(88.6% 0.042 319.7)
-
Step 300
300
#D7B1E0
oklch(80.9% 0.077 319.8)
-
Step 400
400
#C287D1
oklch(70.8% 0.123 319.3)
-
Step 500
500
#B266C5
oklch(63.2% 0.158 319.4)
-
Step 600
600
#9D4BB1
oklch(55.7% 0.171 319.4)
-
Step 700
700
#863B98
oklch(49.1% 0.159 319.4)
-
Step 800
800
#6D327B
oklch(42.8% 0.131 319.6)
-
Step 900
900 (this color)
#5B2F66
oklch(38.6% 0.103 319.3)
-
Step 950
950
#341B3A
oklch(27.1% 0.064 319.6)
#5B2F66 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) | #253E68 | 0.094 |
| Deuteranopia (no green cones) | #334264 | 0.083 |
| Tritanopia (no blue cones) | #5B3746 | 0.065 |
| Achromatopsia (no color) | #414141 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B2F66
#5B2F66
oklch(38.6% 0.103 319.3)
- #225014
#225014
oklch(38.5% 0.103 139.3)
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 #5B2F66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.060
- Dark Slate Blue #483D8B ΔE 0.074
- Rich Purple #720058 ΔE 0.077
- Velvet #750851 ΔE 0.078
- Purple Brown #673A3F ΔE 0.085
- Rebecca Purple #663399 ΔE 0.087
- Plum Purple #4E0550 ΔE 0.090
- Royal Purple #4B006E ΔE 0.092
Use #5B2F66 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.