#5B2CA5
Closest named color: Rebecca Purple (#663399). oklch(42.8% 0.181 295.4), rgb(91, 44, 165).
Aa
White text reads best on this color (8.94:1).
About this color
#5B2CA5 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.181 and its hue 295°. 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 8.94:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.181) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.34:1 |
| White text | 8.94:1 |
Values
| HEX | #5B2CA5 |
| RGB | rgb(91, 44, 165) |
| HSL | hsl(263, 58%, 41%) |
| OKLCH | oklch(42.8% 0.181 295.4) |
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 #5B2CA5 | 8.94:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #5B2CA5 | 2.34:1 | Fails | Lc 14.2 | Not readable |
| #5B2CA5 text on white | 8.94:1 | AAA | Lc 89.7 | Fine for body text |
| #5B2CA5 text on black | 2.34:1 | Fails | Lc -12.5 | 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
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#EBE6FD
oklch(93.6% 0.031 295.8)
-
Step 200
200
#DCD2FD
oklch(88.5% 0.059 295.8)
-
Step 300
300
#C6B3FE
oklch(80.9% 0.106 295.6)
-
Step 400
400
#AA87FD
oklch(70.6% 0.169 295.4)
-
Step 500
500
#9763FB
oklch(63.1% 0.216 295.2)
-
Step 600
600
#8442EA
oklch(55.6% 0.236 295.6)
-
Step 700
700
#7032CC
oklch(49.2% 0.219 295.4)
-
Step 800
800 (this color)
#5B2CA5
oklch(42.8% 0.181 295.4)
-
Step 900
900
#4A2A83
oklch(37.8% 0.142 295.3)
-
Step 950
950
#2B1A4C
oklch(27% 0.089 295.5)
#5B2CA5 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) | #004AA9 | 0.110 |
| Deuteranopia (no green cones) | #0048A3 | 0.110 |
| Tritanopia (no blue cones) | #474B66 | 0.139 |
| Achromatopsia (no color) | #494949 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B2CA5
#5B2CA5
oklch(42.8% 0.181 295.4)
- #4E5500
#4E5500
oklch(42.8% 0.097 115.1)
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 #5B2CA5, closest first.
No curated palette has a color within ΔE 0.04 of #5B2CA5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.034
- Chrysanthemum #560BAD ΔE 0.042
- Imperial Purple #480CA8 ΔE 0.059
- Grape #7209B7 ΔE 0.059
- Blueberry #464196 ΔE 0.059
- Dark Slate Blue #483D8B ΔE 0.063
- Blue With A Hint Of Purple #533CC6 ΔE 0.063
- Purple Blue #5D21D0 ΔE 0.069
Use #5B2CA5 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.