#5B2D66
Closest named color: Grape Purple (#5D1451). oklch(38.3% 0.106 319.6), rgb(91, 45, 102).
Aa
White text reads best on this color (10.43:1).
About this color
#5B2D66 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.106 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.056 away. White text reads best on it, at 10.43:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.01:1 |
| White text | 10.43:1 |
Values
| HEX | #5B2D66 |
| RGB | rgb(91, 45, 102) |
| HSL | hsl(288, 39%, 29%) |
| OKLCH | oklch(38.3% 0.106 319.6) |
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 #5B2D66 | 10.43:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #5B2D66 | 2.01:1 | Fails | Lc 10.1 | Not readable |
| #5B2D66 text on white | 10.43:1 | AAA | Lc 93.9 | Preferred for body text |
| #5B2D66 text on black | 2.01:1 | Fails | Lc -8.7 | 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
#F1E5F4
oklch(93.6% 0.024 319.5)
-
Step 200
200
#E6D0EC
oklch(88.4% 0.045 319)
-
Step 300
300
#D8B0E1
oklch(80.8% 0.08 320.1)
-
Step 400
400
#C385D2
oklch(70.6% 0.128 319.6)
-
Step 500
500
#B364C6
oklch(63% 0.163 319.6)
-
Step 600
600
#9E48B3
oklch(55.5% 0.178 319.3)
-
Step 700
700
#87399A
oklch(49.1% 0.164 319.3)
-
Step 800
800
#6E307D
oklch(42.7% 0.137 319.4)
-
Step 900
900 (this color)
#5B2D66
oklch(38.3% 0.106 319.6)
-
Step 950
950
#341A3B
oklch(26.9% 0.068 318.8)
#5B2D66 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) | #223C68 | 0.099 |
| Deuteranopia (no green cones) | #314164 | 0.087 |
| Tritanopia (no blue cones) | #5B3545 | 0.066 |
| Achromatopsia (no color) | #404040 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B2D66
#5B2D66
oklch(38.3% 0.106 319.6)
- #1F5011
#1F5011
oklch(38.3% 0.107 139.7)
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 #5B2D66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.056
- Rich Purple #720058 ΔE 0.074
- Dark Slate Blue #483D8B ΔE 0.076
- Velvet #750851 ΔE 0.076
- Plum Purple #4E0550 ΔE 0.086
- Rebecca Purple #663399 ΔE 0.087
- Royal Purple #4B006E ΔE 0.087
- Purple Brown #673A3F ΔE 0.089
Use #5B2D66 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.