#5B59C8#5B59C8

#5B59C8 is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.6% C 0.168 H 279.7°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#5B59C8
RGB	rgb(91, 89, 200)
HSL	hsl(241, 50%, 57%)
HSV	hsv(241, 56%, 78%)
CMYK	cmyk(54.5%, 55.5%, 0%, 21.6%)
CIE-LAB	lab(43.56, 32.03, -57.81)
CIE-LCH	lch(43.56, 66.09, 298.99°)
OKLab	oklab(52.63% 0.0284 -0.1655)
OKLCH	oklch(52.63% 0.168 279.7)
XYZ	xyz(18.3088, 13.5379, 56.2807)
Luminance	0.1354 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B59C8 #C6C859

analogous

#598FC8 #5B59C8 #9359C8

triadic

#5B59C8 #C85B59 #59C85B

tetradic

#5B59C8 #C8598F #C6C859 #59C893

square

#5B59C8 #C8598F #C6C859 #59C893

split-complementary

#5B59C8 #C89359 #8FC859

monochromatic

#2B297D #3B39AB #5B59C8 #8887D7 #B6B5E6

Accessibility & contrast

On white

5.66

#5B59C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#5B59C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B59C8

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B59C8	#FFFFFF	#000000	##FFFFFF
##5B59C8	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#096BCC

Deuteranopia (green-blind)

#0063C6

Tritanopia (blue-blind)

#277388

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #5b59c8;
/* rgb */ color: rgb(91, 89, 200);
/* oklch */ color: oklch(52.6% 0.168 279.7);

Tailwind

colors: {
  custom: {
    50: '#9288d9',
    500: '#5b59c8',
    950: '#000000',
  },
}

SCSS

$custom: #5b59c8;
$custom-light: #9288d9;
$custom-dark: #000000;

JSON

{
  "hex": "#5b59c8",
  "rgb": {
    "r": 91,
    "g": 89,
    "b": 200
  },
  "hsl": {
    "h": 241.081,
    "s": 50.226,
    "l": 56.667
  },
  "oklch": {
    "l": 0.52634,
    "c": 0.16794,
    "h": 279.7
  },
  "luminance": 0.13539
}

Semantic roles & 50–950 ramp

primary

#5B59C8

secondary

#D4D5A8

accent

#DA4ED7

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5B59C8

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

Preview Lab → · Contrast checker → · Palette generator →