#5B3AB1
Closest named color: Blue With A Hint Of Purple (#533CC6). oklch(45.7% 0.179 290.3), rgb(91, 58, 177).
Aa
White text reads best on this color (7.82:1).
About this color
#5B3AB1 is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.179 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Blue With A Hint Of Purple (#533CC6), ΔE 0.037 away. White text reads best on it, at 7.82:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.179) |
| Temperature | in between |
| Nearest name | Blue With A Hint Of Purple (#533CC6) |
| Black text | 2.68:1 |
| White text | 7.82:1 |
Values
| HEX | #5B3AB1 |
| RGB | rgb(91, 58, 177) |
| HSL | hsl(257, 51%, 46%) |
| OKLCH | oklch(45.7% 0.179 290.3) |
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 #5B3AB1 | 7.82:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #5B3AB1 | 2.68:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #5B3AB1 text on white | 7.82:1 | AAA | Lc 86.6 | Fine for body text |
| #5B3AB1 text on black | 2.68:1 | Fails | Lc -15.5 | 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 800.
-
Step 50
50
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#E9E7FD
oklch(93.6% 0.03 290)
-
Step 200
200
#D8D3FE
oklch(88.5% 0.059 290.5)
-
Step 300
300
#C0B5FF
oklch(80.9% 0.104 290.7)
-
Step 400
400
#A18BFF
oklch(70.7% 0.166 290.2)
-
Step 500
500
#8D68FE
oklch(63.1% 0.213 290.3)
-
Step 600
600
#7949ED
oklch(55.6% 0.231 290.2)
-
Step 700
700
#6738CF
oklch(49.2% 0.216 290.4)
-
Step 800
800 (this color)
#5B3AB1
oklch(45.7% 0.179 290.3)
-
Step 900
900
#442D84
oklch(37.7% 0.139 290.3)
-
Step 950
950
#271B4D
oklch(26.8% 0.088 290.2)
#5B3AB1 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) | #0054B5 | 0.099 |
| Deuteranopia (no green cones) | #004FAF | 0.097 |
| Tritanopia (no blue cones) | #3F5770 | 0.144 |
| Achromatopsia (no color) | #525252 | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B3AB1
#5B3AB1
oklch(45.7% 0.179 290.3)
- #5B5B00
#5B5B00
oklch(45.6% 0.099 109.8)
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 #5B3AB1, 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 0.037
- Bluey Purple #6241C7 ΔE 0.040
- Blurple #5539CC ΔE 0.045
- Rebecca Purple #663399 ΔE 0.046
- Blueberry #464196 ΔE 0.057
- Purple Blue #5D21D0 ΔE 0.059
- Majorelle Blue #3F37C9 ΔE 0.062
- Chrysanthemum #560BAD ΔE 0.067
Use #5B3AB1 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.