#5B59CE#5B59CE

#5B59CE is a mid, vivid blue. Relative luminance 0.138; OKLCH L 53.1% C 0.176 H 279.3°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#5B59CE
RGB	rgb(91, 89, 206)
HSL	hsl(241, 54%, 58%)
HSV	hsv(241, 57%, 81%)
CMYK	cmyk(55.8%, 56.8%, 0%, 19.2%)
CIE-LAB	lab(43.98, 33.94, -60.60)
CIE-LCH	lch(43.98, 69.46, 299.26°)
OKLab	oklab(53.08% 0.0285 -0.1737)
OKLCH	oklch(53.08% 0.176 279.3)
XYZ	xyz(19.0238, 13.8239, 60.0464)
Luminance	0.1383 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B59CE #CCCE59

analogous

#5991CE #5B59CE #9659CE

triadic

#5B59CE #CE5B59 #59CE5B

tetradic

#5B59CE #CE5991 #CCCE59 #59CE96

square

#5B59CE #CE5991 #CCCE59 #59CE96

split-complementary

#5B59CE #CE9659 #91CE59

monochromatic

#292785 #3735B5 #5B59CE #8A88DC #B8B8EA

Accessibility & contrast

On white

5.58

#5B59CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#5B59CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B59CE

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B59CE	#FFFFFF	#000000	##FFFFFF
##5B59CE	1.00	5.58	3.77	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD2

Deuteranopia (green-blind)

#0063CC

Tritanopia (blue-blind)

#1E748B

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #5b59ce;
/* rgb */ color: rgb(91, 89, 206);
/* oklch */ color: oklch(53.1% 0.176 279.3);

Tailwind

colors: {
  custom: {
    50: '#9388de',
    500: '#5b59ce',
    950: '#000000',
  },
}

SCSS

$custom: #5b59ce;
$custom-light: #9388de;
$custom-dark: #000000;

JSON

{
  "hex": "#5b59ce",
  "rgb": {
    "r": 91,
    "g": 89,
    "b": 206
  },
  "hsl": {
    "h": 241.026,
    "s": 54.419,
    "l": 57.843
  },
  "oklch": {
    "l": 0.53076,
    "c": 0.17603,
    "h": 279.3
  },
  "luminance": 0.13825
}

Semantic roles & 50–950 ramp

primary

#5B59CE

secondary

#D8D9AA

accent

#DE4ADB

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5B59CE

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

Preview Lab → · Contrast checker → · Palette generator →