#5B42DC#5B42DC

#5B42DC is a mid, highly saturated blue. Relative luminance 0.113; OKLCH L 50.6% C 0.221 H 282.5°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#5B42DC
RGB	rgb(91, 66, 220)
HSL	hsl(250, 69%, 56%)
HSV	hsv(250, 70%, 86%)
CMYK	cmyk(58.6%, 70%, 0%, 13.7%)
CIE-LAB	lab(40.06, 51.62, -75.02)
CIE-LCH	lch(40.06, 91.07, 304.53°)
OKLab	oklab(50.56% 0.0478 -0.2161)
OKLCH	oklch(50.56% 0.221 282.5)
XYZ	xyz(19.1769, 11.2866, 68.8643)
Luminance	0.1129 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B42DC #C3DC42

analogous

#4276DC #5B42DC #A842DC

triadic

#5B42DC #DC5B42 #42DC5B

tetradic

#5B42DC #DC4276 #C3DC42 #42DCA8

square

#5B42DC #DC4276 #C3DC42 #42DCA8

split-complementary

#5B42DC #DCA842 #76DC42

monochromatic

#2C1A8A #3C23BE #5B42DC #8876E6 #B5A9EF

Accessibility & contrast

On white

6.45

#5B42DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#5B42DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B42DC

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B42DC	#FFFFFF	#000000	##FFFFFF
##5B42DC	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063E1

Deuteranopia (green-blind)

#0059D9

Tritanopia (blue-blind)

#006B8A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #5b42dc;
/* rgb */ color: rgb(91, 66, 220);
/* oklch */ color: oklch(50.6% 0.221 282.5);

Tailwind

colors: {
  custom: {
    50: '#9779e8',
    500: '#5b42dc',
    950: '#000000',
  },
}

SCSS

$custom: #5b42dc;
$custom-light: #9779e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5b42dc",
  "rgb": {
    "r": 91,
    "g": 66,
    "b": 220
  },
  "hsl": {
    "h": 249.74,
    "s": 68.75,
    "l": 56.078
  },
  "oklch": {
    "l": 0.50564,
    "c": 0.22134,
    "h": 282.5
  },
  "luminance": 0.11288
}

Semantic roles & 50–950 ramp

primary

#5B42DC

secondary

#D2DD9D

accent

#EC3CCF

background

#FAF7FE

surface

#F3EDFD

border

#CDC8D5

text

#0F0916

muted

#7F7B84

Preview Lab

Preview with #5B42DC

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →