#5F2B91
Closest named color: Rebecca Purple (#663399). oklch(41.5% 0.16 303.4), rgb(95, 43, 145).
Aa
White text reads best on this color (9.37:1).
About this color
#5F2B91 is a dark, vivid purple. In OKLCH its lightness is 42%, its chroma 0.160 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 0.025 away. White text reads best on it, at 9.37:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | vivid (0.160) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.24:1 |
| White text | 9.37:1 |
Values
| HEX | #5F2B91 |
| RGB | rgb(95, 43, 145) |
| HSL | hsl(271, 54%, 37%) |
| OKLCH | oklch(41.5% 0.16 303.4) |
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 #5F2B91 | 9.37:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #5F2B91 | 2.24:1 | Fails | Lc 13.0 | Not readable |
| #5F2B91 text on white | 9.37:1 | AAA | Lc 91.0 | Preferred for body text |
| #5F2B91 text on black | 2.24:1 | Fails | Lc -11.3 | 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
#E0D1F6
oklch(88.4% 0.053 303.7)
-
Step 300
300
#CDB2F3
oklch(80.9% 0.094 303.4)
-
Step 400
400
#B487EC
oklch(70.7% 0.149 303.3)
-
Step 500
500
#A365E6
oklch(63.2% 0.191 303.6)
-
Step 600
600
#8E47D4
oklch(55.6% 0.208 303.3)
-
Step 700
700
#7937B8
oklch(49.1% 0.194 303.3)
-
Step 800
800 (this color)
#5F2B91
oklch(41.5% 0.16 303.4)
-
Step 900
900
#502B77
oklch(37.7% 0.126 303.3)
-
Step 950
950
#2F1A45
oklch(26.9% 0.079 304.1)
#5F2B91 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) | #004594 | 0.121 |
| Deuteranopia (no green cones) | #00468F | 0.123 |
| Tritanopia (no blue cones) | #55435A | 0.119 |
| Achromatopsia (no color) | #464646 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F2B91
#5F2B91
oklch(41.5% 0.16 303.4)
- #415400
#415400
oklch(41.5% 0.102 123.3)
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 #5F2B91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.025
- Dark Slate Blue #483D8B ΔE 0.056
- Blueberry #464196 ΔE 0.062
- Chrysanthemum #560BAD ΔE 0.064
- Grape #7209B7 ΔE 0.075
- Imperial Purple #480CA8 ΔE 0.076
- Indigo #4B0082 ΔE 0.079
- Purple #800080 ΔE 0.083
Use #5F2B91 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.