#5B2C8D
Closest named color: Rebecca Purple (#663399). oklch(40.8% 0.154 302.2), rgb(91, 44, 141).
Aa
White text reads best on this color (9.59:1).
About this color
#5B2C8D is a dark, vivid purple. In OKLCH its lightness is 41%, its chroma 0.154 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 0.033 away. White text reads best on it, at 9.59:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.18:1 |
| White text | 9.59:1 |
Values
| HEX | #5B2C8D |
| RGB | rgb(91, 44, 141) |
| HSL | hsl(269, 52%, 36%) |
| OKLCH | oklch(40.8% 0.154 302.2) |
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 #5B2C8D | 9.59:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #5B2C8D | 2.18:1 | Fails | Lc 12.3 | Not readable |
| #5B2C8D text on white | 9.59:1 | AAA | Lc 91.6 | Preferred for body text |
| #5B2C8D text on black | 2.18:1 | Fails | Lc -10.8 | 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
#CBB3F1
oklch(80.8% 0.09 302.2)
-
Step 400
400
#B289EA
oklch(70.7% 0.143 302.4)
-
Step 500
500
#A068E4
oklch(63.2% 0.183 302.3)
-
Step 600
600
#8B4BD2
oklch(55.6% 0.2 302.1)
-
Step 700
700
#763BB6
oklch(49.1% 0.186 301.9)
-
Step 800
800 (this color)
#5B2C8D
oklch(40.8% 0.154 302.2)
-
Step 900
900
#4E2D75
oklch(37.6% 0.12 302.1)
-
Step 950
950
#2E1B45
oklch(27% 0.077 302.4)
#5B2C8D 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) | #004490 | 0.115 |
| Deuteranopia (no green cones) | #00458B | 0.116 |
| Tritanopia (no blue cones) | #514259 | 0.113 |
| Achromatopsia (no color) | #454545 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B2C8D
#5B2C8D
oklch(40.8% 0.154 302.2)
- #415200
#415200
oklch(40.9% 0.1 122.3)
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 #5B2C8D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.033
- Dark Slate Blue #483D8B ΔE 0.049
- Blueberry #464196 ΔE 0.058
- Chrysanthemum #560BAD ΔE 0.067
- Indigo #4B0082 ΔE 0.074
- Imperial Purple #480CA8 ΔE 0.075
- Grape #7209B7 ΔE 0.084
- Purple #800080 ΔE 0.088
Use #5B2C8D 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.