#5B329C
Closest named color: Rebecca Purple (#663399). oklch(42.9% 0.163 296.6), rgb(91, 50, 156).
Aa
White text reads best on this color (8.81:1).
About this color
#5B329C is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.163 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.023 away. White text reads best on it, at 8.81:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.163) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.38:1 |
| White text | 8.81:1 |
Values
| HEX | #5B329C |
| RGB | rgb(91, 50, 156) |
| HSL | hsl(263, 51%, 40%) |
| OKLCH | oklch(42.9% 0.163 296.6) |
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 #5B329C | 8.81:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #5B329C | 2.38:1 | Fails | Lc 14.4 | Not readable |
| #5B329C text on white | 8.81:1 | AAA | Lc 89.6 | Fine for body text |
| #5B329C text on black | 2.38:1 | Fails | Lc -12.6 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EBE6FB
oklch(93.5% 0.029 296.7)
-
Step 200
200
#DCD3F9
oklch(88.6% 0.053 296.2)
-
Step 300
300
#C6B4F7
oklch(80.8% 0.095 296.5)
-
Step 400
400
#AB8AF4
oklch(70.8% 0.153 296.6)
-
Step 500
500
#9868EF
oklch(63.1% 0.195 296.8)
-
Step 600
600
#834BDE
oklch(55.7% 0.212 296.3)
-
Step 700
700
#703AC0
oklch(49.1% 0.197 296.9)
-
Step 800
800 (this color)
#5B329C
oklch(42.9% 0.163 296.6)
-
Step 900
900
#4A2D7C
oklch(37.7% 0.128 296.7)
-
Step 950
950
#2B1C48
oklch(27.1% 0.079 296.5)
#5B329C 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) | #004B9F | 0.107 |
| Deuteranopia (no green cones) | #00499A | 0.108 |
| Tritanopia (no blue cones) | #4B4B63 | 0.125 |
| Achromatopsia (no color) | #4A4A4A | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B329C
#5B329C
oklch(42.9% 0.163 296.6)
- #4C5600
#4C5600
oklch(42.9% 0.099 117.2)
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 #5B329C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.023
- Blueberry #464196 ΔE 0.048
- Dark Slate Blue #483D8B ΔE 0.049
- Chrysanthemum #560BAD ΔE 0.058
- Imperial Purple #480CA8 ΔE 0.071
- Grape #7209B7 ΔE 0.072
- Blue With A Hint Of Purple #533CC6 ΔE 0.072
- Bluey Purple #6241C7 ΔE 0.076
Use #5B329C 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.