#5B2C8F
Closest named color: Rebecca Purple (#663399). oklch(41% 0.156 301.6), rgb(91, 44, 143).
Aa
White text reads best on this color (9.53:1).
About this color
#5B2C8F is a dark, vivid purple. In OKLCH its lightness is 41%, its chroma 0.156 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.031 away. White text reads best on it, at 9.53:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | vivid (0.156) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.20:1 |
| White text | 9.53:1 |
Values
| HEX | #5B2C8F |
| RGB | rgb(91, 44, 143) |
| HSL | hsl(268, 53%, 37%) |
| OKLCH | oklch(41% 0.156 301.6) |
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 #5B2C8F | 9.53:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #5B2C8F | 2.20:1 | Fails | Lc 12.5 | Not readable |
| #5B2C8F text on white | 9.53:1 | AAA | Lc 91.5 | Preferred for body text |
| #5B2C8F text on black | 2.20:1 | Fails | Lc -10.9 | 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 800.
-
Step 50
50
#F7F4FD
oklch(97.2% 0.012 301.3)
-
Step 100
100
#EDE6F9
oklch(93.6% 0.026 302.6)
-
Step 200
200
#DFD2F6
oklch(88.5% 0.051 301.8)
-
Step 300
300
#CBB3F2
oklch(80.9% 0.091 301.8)
-
Step 400
400
#B189EC
oklch(70.7% 0.145 301.4)
-
Step 500
500
#9F67E6
oklch(63.1% 0.187 301.6)
-
Step 600
600
#8B4AD4
oklch(55.6% 0.203 301.7)
-
Step 700
700
#763AB7
oklch(49.1% 0.188 301.8)
-
Step 800
800 (this color)
#5B2C8F
oklch(41% 0.156 301.6)
-
Step 900
900
#4E2D76
oklch(37.7% 0.121 301.7)
-
Step 950
950
#2E1B45
oklch(27% 0.077 302.4)
#5B2C8F 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) | #004592 | 0.115 |
| Deuteranopia (no green cones) | #00458D | 0.116 |
| Tritanopia (no blue cones) | #50435A | 0.115 |
| Achromatopsia (no color) | #454545 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B2C8F
#5B2C8F
oklch(41% 0.156 301.6)
- #425200
#425200
oklch(41% 0.099 121.7)
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 #5B2C8F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.031
- Dark Slate Blue #483D8B ΔE 0.049
- Blueberry #464196 ΔE 0.057
- Chrysanthemum #560BAD ΔE 0.064
- Imperial Purple #480CA8 ΔE 0.073
- Indigo #4B0082 ΔE 0.075
- Grape #7209B7 ΔE 0.081
- Purple #800080 ΔE 0.089
Use #5B2C8F 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.