#5B42E0#5B42E0

#5B42E0 is a mid, highly saturated blue. Relative luminance 0.115; OKLCH L 50.9% C 0.226 H 282.0°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#5B42E0
RGB	rgb(91, 66, 224)
HSL	hsl(249, 72%, 57%)
HSV	hsv(249, 71%, 88%)
CMYK	cmyk(59.4%, 70.5%, 0%, 12.2%)
CIE-LAB	lab(40.41, 52.81, -76.73)
CIE-LCH	lch(40.41, 93.15, 304.54°)
OKLab	oklab(50.92% 0.047 -0.2211)
OKLCH	oklch(50.92% 0.226 282)
XYZ	xyz(19.7129, 11.5010, 71.6877)
Luminance	0.1150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B42E0 #C7E042

analogous

#4278E0 #5B42E0 #AA42E0

triadic

#5B42E0 #E05B42 #42E05B

tetradic

#5B42E0 #E04278 #C7E042 #42E0AA

square

#5B42E0 #E04278 #C7E042 #42E0AA

split-complementary

#5B42E0 #E0AA42 #78E042

monochromatic

#2B1890 #3A20C5 #5B42E0 #8977E9 #B6ABF1

Accessibility & contrast

On white

6.36

#5B42E0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#5B42E0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B42E0

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B42E0	#FFFFFF	#000000	##FFFFFF
##5B42E0	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064E5

Deuteranopia (green-blind)

#005ADD

Tritanopia (blue-blind)

#006D8D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #5b42e0;
/* rgb */ color: rgb(91, 66, 224);
/* oklch */ color: oklch(50.9% 0.226 282.0);

Tailwind

colors: {
  custom: {
    50: '#9779eb',
    500: '#5b42e0',
    950: '#000000',
  },
}

SCSS

$custom: #5b42e0;
$custom-light: #9779eb;
$custom-dark: #000000;

JSON

{
  "hex": "#5b42e0",
  "rgb": {
    "r": 91,
    "g": 66,
    "b": 224
  },
  "hsl": {
    "h": 249.494,
    "s": 71.818,
    "l": 56.863
  },
  "oklch": {
    "l": 0.50923,
    "c": 0.22606,
    "h": 282
  },
  "luminance": 0.11502
}

Semantic roles & 50–950 ramp

primary

#5B42E0

secondary

#D5DF9F

accent

#EF39D2

background

#FAF7FE

surface

#F3EDFD

border

#CDC8D5

text

#0F0916

muted

#7F7B84

Preview Lab

Preview with #5B42E0

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

Preview Lab → · Contrast checker → · Palette generator →