#5B3BB5
Closest named color: Blue With A Hint Of Purple (#533CC6). oklch(46.2% 0.182 289.3), rgb(91, 59, 181).
Aa
White text reads best on this color (7.67:1).
About this color
#5B3BB5 is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.182 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Blue With A Hint Of Purple (#533CC6), ΔE 0.031 away. White text reads best on it, at 7.67:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.182) |
| Temperature | cool |
| Nearest name | Blue With A Hint Of Purple (#533CC6) |
| Black text | 2.73:1 |
| White text | 7.67:1 |
Values
| HEX | #5B3BB5 |
| RGB | rgb(91, 59, 181) |
| HSL | hsl(256, 51%, 47%) |
| OKLCH | oklch(46.2% 0.182 289.3) |
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 #5B3BB5 | 7.67:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #5B3BB5 | 2.73:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #5B3BB5 text on white | 7.67:1 | AAA | Lc 86.1 | Fine for body text |
| #5B3BB5 text on black | 2.73:1 | Fails | Lc -16.0 | Dividers and decoration only |
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 700.
-
Step 50
50
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E7FA
oklch(93.5% 0.026 290.7)
-
Step 200
200
#D8D4F8
oklch(88.4% 0.049 290.4)
-
Step 300
300
#BFB8F6
oklch(81% 0.087 289.5)
-
Step 400
400
#9F90F2
oklch(70.7% 0.141 289.3)
-
Step 500
500
#8A71ED
oklch(63.1% 0.179 289.5)
-
Step 600
600
#7555DC
oklch(55.6% 0.197 289.3)
-
Step 700
700 (this color)
#5B3BB5
oklch(46.2% 0.182 289.3)
-
Step 800
800
#50399A
oklch(42.6% 0.151 289.3)
-
Step 900
900
#42337B
oklch(37.8% 0.117 289.1)
-
Step 950
950
#261E48
oklch(26.9% 0.075 289.1)
#5B3BB5 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) | #0056B9 | 0.098 |
| Deuteranopia (no green cones) | #0050B3 | 0.095 |
| Tritanopia (no blue cones) | #3C5973 | 0.147 |
| Achromatopsia (no color) | #535353 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B3BB5
#5B3BB5
oklch(46.2% 0.182 289.3)
- #5D5D00
#5D5D00
oklch(46.3% 0.101 109.8)
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 #5B3BB5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue With A Hint Of Purple #533CC6 ΔE 0.031
- Bluey Purple #6241C7 ΔE 0.034
- Blurple #5539CC ΔE 0.038
- Rebecca Purple #663399 ΔE 0.052
- Purple Blue #5D21D0 ΔE 0.055
- Majorelle Blue #3F37C9 ΔE 0.058
- Blueberry #464196 ΔE 0.062
- Chrysanthemum #560BAD ΔE 0.070
Use #5B3BB5 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.