#5B2A7B
Closest named color: Rebecca Purple (#663399). oklch(39.2% 0.136 309.4), rgb(91, 42, 123).
Aa
White text reads best on this color (10.18:1).
About this color
#5B2A7B is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.136 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.056 away. White text reads best on it, at 10.18:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.06:1 |
| White text | 10.18:1 |
Values
| HEX | #5B2A7B |
| RGB | rgb(91, 42, 123) |
| HSL | hsl(276, 49%, 32%) |
| OKLCH | oklch(39.2% 0.136 309.4) |
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 #5B2A7B | 10.18:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #5B2A7B | 2.06:1 | Fails | Lc 10.8 | Not readable |
| #5B2A7B text on white | 10.18:1 | AAA | Lc 93.1 | Preferred for body text |
| #5B2A7B text on black | 2.06:1 | Fails | Lc -9.4 | 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
#F8F3FD
oklch(97.1% 0.014 308.3)
-
Step 100
100
#F0E5F9
oklch(93.6% 0.029 310.1)
-
Step 200
200
#E4D0F6
oklch(88.6% 0.056 308.9)
-
Step 300
300
#D4AFF3
oklch(81% 0.102 309)
-
Step 400
400
#BF81EC
oklch(70.8% 0.162 309.5)
-
Step 500
500
#AF5BE6
oklch(63.1% 0.209 309.5)
-
Step 600
600
#9A3AD4
oklch(55.6% 0.226 309.3)
-
Step 700
700
#842AB8
oklch(49.2% 0.211 309.4)
-
Step 800
800
#6B2695
oklch(42.8% 0.174 309.2)
-
Step 900
900 (this color)
#5B2A7B
oklch(39.2% 0.136 309.4)
-
Step 950
950
#331745
oklch(27% 0.086 309.9)
#5B2A7B 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) | #003F7D | 0.121 |
| Deuteranopia (no green cones) | #1E4279 | 0.106 |
| Tritanopia (no blue cones) | #563A4E | 0.095 |
| Achromatopsia (no color) | #414141 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B2A7B
#5B2A7B
oklch(39.2% 0.136 309.4)
- #335000
#335000
oklch(39.3% 0.105 129.5)
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 #5B2A7B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.056
- Dark Slate Blue #483D8B ΔE 0.058
- Indigo #4B0082 ΔE 0.072
- Blueberry #464196 ΔE 0.074
- Royal Purple #4B006E ΔE 0.077
- Grape Purple #5D1451 ΔE 0.079
- Purple #800080 ΔE 0.084
- Rich Purple #720058 ΔE 0.087
Use #5B2A7B 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.