#5B59CD#5B59CD

#5B59CD is a mid, vivid blue. Relative luminance 0.138; OKLCH L 53.0% C 0.175 H 279.4°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#5B59CD
RGB	rgb(91, 89, 205)
HSL	hsl(241, 54%, 58%)
HSV	hsv(241, 57%, 80%)
CMYK	cmyk(55.6%, 56.6%, 0%, 19.6%)
CIE-LAB	lab(43.91, 33.62, -60.14)
CIE-LCH	lch(43.91, 68.90, 299.21°)
OKLab	oklab(53% 0.0285 -0.1723)
OKLCH	oklch(53% 0.175 279.4)
XYZ	xyz(18.9027, 13.7754, 59.4086)
Luminance	0.1378 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B59CD #CBCD59

analogous

#5991CD #5B59CD #9559CD

triadic

#5B59CD #CD5B59 #59CD5B

tetradic

#5B59CD #CD5991 #CBCD59 #59CD95

square

#5B59CD #CD5991 #CBCD59 #59CD95

split-complementary

#5B59CD #CD9559 #91CD59

monochromatic

#292884 #3836B3 #5B59CD #8988DB #B8B7E9

Accessibility & contrast

On white

5.59

#5B59CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#5B59CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B59CD

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B59CD	#FFFFFF	#000000	##FFFFFF
##5B59CD	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD1

Deuteranopia (green-blind)

#0063CB

Tritanopia (blue-blind)

#20748A

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #5b59cd;
/* rgb */ color: rgb(91, 89, 205);
/* oklch */ color: oklch(53.0% 0.175 279.4);

Tailwind

colors: {
  custom: {
    50: '#9388dd',
    500: '#5b59cd',
    950: '#000000',
  },
}

SCSS

$custom: #5b59cd;
$custom-light: #9388dd;
$custom-dark: #000000;

JSON

{
  "hex": "#5b59cd",
  "rgb": {
    "r": 91,
    "g": 89,
    "b": 205
  },
  "hsl": {
    "h": 241.034,
    "s": 53.704,
    "l": 57.647
  },
  "oklch": {
    "l": 0.53002,
    "c": 0.17469,
    "h": 279.4
  },
  "luminance": 0.13777
}

Semantic roles & 50–950 ramp

primary

#5B59CD

secondary

#D7D8AA

accent

#DD4BDB

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5B59CD

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

Preview Lab → · Contrast checker → · Palette generator →