#5B59CF#5B59CF

#5B59CF is a mid, vivid blue. Relative luminance 0.139; OKLCH L 53.2% C 0.177 H 279.2°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#5B59CF
RGB	rgb(91, 89, 207)
HSL	hsl(241, 55%, 58%)
HSV	hsv(241, 57%, 81%)
CMYK	cmyk(56%, 57%, 0%, 18.8%)
CIE-LAB	lab(44.05, 34.26, -61.06)
CIE-LCH	lch(44.05, 70.02, 299.30°)
OKLab	oklab(53.15% 0.0285 -0.1751)
OKLCH	oklch(53.15% 0.177 279.2)
XYZ	xyz(19.1457, 13.8726, 60.6882)
Luminance	0.1387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B59CF #CDCF59

analogous

#5992CF #5B59CF #9659CF

triadic

#5B59CF #CF5B59 #59CF5B

tetradic

#5B59CF #CF5992 #CDCF59 #59CF96

square

#5B59CF #CF5992 #CDCF59 #59CF96

split-complementary

#5B59CF #CF9659 #92CF59

monochromatic

#292787 #3735B6 #5B59CF #8A88DD #B9B8EA

Accessibility & contrast

On white

5.56

#5B59CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#5B59CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B59CF

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B59CF	#FFFFFF	#000000	##FFFFFF
##5B59CF	1.00	5.56	3.77	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD3

Deuteranopia (green-blind)

#0063CD

Tritanopia (blue-blind)

#1D758B

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #5b59cf;
/* rgb */ color: rgb(91, 89, 207);
/* oklch */ color: oklch(53.2% 0.177 279.2);

Tailwind

colors: {
  custom: {
    50: '#9388de',
    500: '#5b59cf',
    950: '#000000',
  },
}

SCSS

$custom: #5b59cf;
$custom-light: #9388de;
$custom-dark: #000000;

JSON

{
  "hex": "#5b59cf",
  "rgb": {
    "r": 91,
    "g": 89,
    "b": 207
  },
  "hsl": {
    "h": 241.017,
    "s": 55.14,
    "l": 58.039
  },
  "oklch": {
    "l": 0.53151,
    "c": 0.17737,
    "h": 279.2
  },
  "luminance": 0.13874
}

Semantic roles & 50–950 ramp

primary

#5B59CF

secondary

#D9D9AA

accent

#DE49DC

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5B59CF

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

Preview Lab → · Contrast checker → · Palette generator →