#5B42B3
Closest named color: Bluey Purple (#6241C7). oklch(47.1% 0.171 288.2), rgb(91, 66, 179).
Aa
White text reads best on this color (7.30:1).
About this color
#5B42B3 is a medium-dark, vivid purple. In OKLCH its lightness is 47%, its chroma 0.171 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.033 away. White text reads best on it, at 7.30:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.171) |
| Temperature | cool |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 2.87:1 |
| White text | 7.30:1 |
Values
| HEX | #5B42B3 |
| RGB | rgb(91, 66, 179) |
| HSL | hsl(253, 46%, 48%) |
| OKLCH | oklch(47.1% 0.171 288.2) |
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 #5B42B3 | 7.30:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #5B42B3 | 2.87:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #5B42B3 text on white | 7.30:1 | AAA | Lc 84.9 | Fine for body text |
| #5B42B3 text on black | 2.87:1 | Fails | Lc -17.1 | 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
#E9E8F9
oklch(93.7% 0.023 288.7)
-
Step 200
200
#D7D5F7
oklch(88.5% 0.047 288.1)
-
Step 300
300
#BEB9F4
oklch(81% 0.083 288.3)
-
Step 400
400
#9D92EE
oklch(70.7% 0.132 288)
-
Step 500
500
#8774E8
oklch(63.1% 0.169 288.1)
-
Step 600
600
#7259D6
oklch(55.5% 0.184 288.1)
-
Step 700
700 (this color)
#5B42B3
oklch(47.1% 0.171 288.2)
-
Step 800
800
#4E3C96
oklch(42.6% 0.141 288.1)
-
Step 900
900
#413578
oklch(37.9% 0.11 288.2)
-
Step 950
950
#261F46
oklch(27% 0.07 289.1)
#5B42B3 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) | #0059B7 | 0.092 |
| Deuteranopia (no green cones) | #0053B1 | 0.090 |
| Tritanopia (no blue cones) | #3D5D74 | 0.141 |
| Achromatopsia (no color) | #565656 | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B42B3
#5B42B3
oklch(47.1% 0.171 288.2)
- #615F00
#615F00
oklch(47.2% 0.102 108.3)
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 #5B42B3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.033
- Blue With A Hint Of Purple #533CC6 ΔE 0.036
- Blurple #5539CC ΔE 0.045
- Rebecca Purple #663399 ΔE 0.054
- Blueberry #464196 ΔE 0.058
- Iris #6258C4 ΔE 0.058
- Majorelle Blue #3F37C9 ΔE 0.064
- Purple Blue #5D21D0 ΔE 0.067
Use #5B42B3 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.