#5B59CC#5B59CC

#5B59CC is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.9% C 0.173 H 279.5°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#5B59CC
RGB	rgb(91, 89, 204)
HSL	hsl(241, 53%, 57%)
HSV	hsv(241, 56%, 80%)
CMYK	cmyk(55.4%, 56.4%, 0%, 20%)
CIE-LAB	lab(43.84, 33.31, -59.67)
CIE-LCH	lch(43.84, 68.34, 299.17°)
OKLab	oklab(52.93% 0.0285 -0.171)
OKLCH	oklch(52.93% 0.173 279.5)
XYZ	xyz(18.7824, 13.7273, 58.7749)
Luminance	0.1373 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B59CC #CACC59

analogous

#5991CC #5B59CC #9459CC

triadic

#5B59CC #CC5B59 #59CC5B

tetradic

#5B59CC #CC5991 #CACC59 #59CC94

square

#5B59CC #CC5991 #CACC59 #59CC94

split-complementary

#5B59CC #CC9459 #91CC59

monochromatic

#2A2883 #3936B1 #5B59CC #8988DA #B8B7E9

Accessibility & contrast

On white

5.61

#5B59CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#5B59CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B59CC

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B59CC	#FFFFFF	#000000	##FFFFFF
##5B59CC	1.00	5.61	3.75	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD0

Deuteranopia (green-blind)

#0063CA

Tritanopia (blue-blind)

#22748A

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #5b59cc;
/* rgb */ color: rgb(91, 89, 204);
/* oklch */ color: oklch(52.9% 0.173 279.5);

Tailwind

colors: {
  custom: {
    50: '#9388dc',
    500: '#5b59cc',
    950: '#000000',
  },
}

SCSS

$custom: #5b59cc;
$custom-light: #9388dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5b59cc",
  "rgb": {
    "r": 91,
    "g": 89,
    "b": 204
  },
  "hsl": {
    "h": 241.043,
    "s": 52.995,
    "l": 57.451
  },
  "oklch": {
    "l": 0.52928,
    "c": 0.17335,
    "h": 279.5
  },
  "luminance": 0.13729
}

Semantic roles & 50–950 ramp

primary

#5B59CC

secondary

#D7D8A9

accent

#DC4BDA

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5B59CC

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

Preview Lab → · Contrast checker → · Palette generator →