#5B2C8C
Closest named color: Rebecca Purple (#663399). oklch(40.8% 0.153 302.6), rgb(91, 44, 140).
Aa
White text reads best on this color (9.61:1).
About this color
#5B2C8C is a dark, vivid purple. In OKLCH its lightness is 41%, its chroma 0.153 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.034 away. White text reads best on it, at 9.61:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | vivid (0.153) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.18:1 |
| White text | 9.61:1 |
Values
| HEX | #5B2C8C |
| RGB | rgb(91, 44, 140) |
| HSL | hsl(269, 52%, 36%) |
| OKLCH | oklch(40.8% 0.153 302.6) |
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 #5B2C8C | 9.61:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #5B2C8C | 2.18:1 | Fails | Lc 12.3 | Not readable |
| #5B2C8C text on white | 9.61:1 | AAA | Lc 91.7 | Preferred for body text |
| #5B2C8C text on black | 2.18:1 | Fails | Lc -10.7 | 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 800.
-
Step 50
50
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EDE6F9
oklch(93.6% 0.026 302.6)
-
Step 200
200
#DFD2F5
oklch(88.5% 0.049 302.3)
-
Step 300
300
#CCB3F1
oklch(80.9% 0.09 302.9)
-
Step 400
400
#B289EA
oklch(70.7% 0.143 302.4)
-
Step 500
500
#A068E3
oklch(63.2% 0.182 302.5)
-
Step 600
600
#8B4BD1
oklch(55.6% 0.199 302.3)
-
Step 700
700
#773BB5
oklch(49.2% 0.185 302.7)
-
Step 800
800 (this color)
#5B2C8C
oklch(40.8% 0.153 302.6)
-
Step 900
900
#4F2D75
oklch(37.7% 0.12 302.8)
-
Step 950
950
#2E1B44
oklch(26.9% 0.076 303.1)
#5B2C8C 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) | #00448F | 0.115 |
| Deuteranopia (no green cones) | #01458A | 0.116 |
| Tritanopia (no blue cones) | #514258 | 0.113 |
| Achromatopsia (no color) | #454545 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B2C8C
#5B2C8C
oklch(40.8% 0.153 302.6)
- #405200
#405200
oklch(40.8% 0.1 123)
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 #5B2C8C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.034
- Dark Slate Blue #483D8B ΔE 0.049
- Blueberry #464196 ΔE 0.059
- Chrysanthemum #560BAD ΔE 0.068
- Indigo #4B0082 ΔE 0.074
- Imperial Purple #480CA8 ΔE 0.076
- Grape #7209B7 ΔE 0.085
- Purple #800080 ΔE 0.088
Use #5B2C8C 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.