#5B59F3#5B59F3

#5B59F3 is a mid, highly saturated blue. Relative luminance 0.158; OKLCH L 56.0% C 0.224 H 276.9°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#5B59F3
RGB	rgb(91, 89, 243)
HSL	hsl(241, 87%, 65%)
HSV	hsv(241, 63%, 95%)
CMYK	cmyk(62.6%, 63.4%, 0%, 4.7%)
CIE-LAB	lab(46.76, 45.77, -77.07)
CIE-LCH	lch(46.76, 89.63, 300.70°)
OKLab	oklab(55.99% 0.027 -0.2221)
OKLCH	oklch(55.99% 0.224 276.9)
XYZ	xyz(24.0592, 15.8380, 86.5658)
Luminance	0.1584 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B59F3 #F1F359

analogous

#59A4F3 #5B59F3 #A859F3

triadic

#5B59F3 #F35B59 #59F35B

tetradic

#5B59F3 #F359A4 #F1F359 #59F3A8

square

#5B59F3 #F359A4 #F1F359 #59F3A8

split-complementary

#5B59F3 #F3A859 #A4F359

monochromatic

#100EC3 #2320EF #5B59F3 #9392F7 #CCCBFB

Accessibility & contrast

On white

5.04

#5B59F3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#5B59F3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B59F3

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B59F3	#FFFFFF	#000000	##FFFFFF
##5B59F3	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075F8

Deuteranopia (green-blind)

#0068F0

Tritanopia (blue-blind)

#00809E

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #5b59f3;
/* rgb */ color: rgb(91, 89, 243);
/* oklch */ color: oklch(56.0% 0.224 276.9);

Tailwind

colors: {
  custom: {
    50: '#9988f8',
    500: '#5b59f3',
    950: '#000000',
  },
}

SCSS

$custom: #5b59f3;
$custom-light: #9988f8;
$custom-dark: #000000;

JSON

{
  "hex": "#5b59f3",
  "rgb": {
    "r": 91,
    "g": 89,
    "b": 243
  },
  "hsl": {
    "h": 240.779,
    "s": 86.517,
    "l": 65.098
  },
  "oklch": {
    "l": 0.55993,
    "c": 0.22376,
    "h": 276.9
  },
  "luminance": 0.1584
}

Semantic roles & 50–950 ramp

primary

#5B59F3

secondary

#EDEEBA

accent

#E302E0

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #5B59F3

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

Preview Lab → · Contrast checker → · Palette generator →