#5B59CA#5B59CA

#5B59CA is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.8% C 0.171 H 279.6°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#5B59CA
RGB	rgb(91, 89, 202)
HSL	hsl(241, 52%, 57%)
HSV	hsv(241, 56%, 79%)
CMYK	cmyk(55%, 55.9%, 0%, 20.8%)
CIE-LAB	lab(43.70, 32.67, -58.75)
CIE-LCH	lch(43.70, 67.22, 299.08°)
OKLab	oklab(52.78% 0.0285 -0.1683)
OKLCH	oklch(52.78% 0.171 279.6)
XYZ	xyz(18.5441, 13.6320, 57.5197)
Luminance	0.1363 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B59CA #C8CA59

analogous

#5990CA #5B59CA #9459CA

triadic

#5B59CA #CA5B59 #59CA5B

tetradic

#5B59CA #CA5990 #C8CA59 #59CA94

square

#5B59CA #CA5990 #C8CA59 #59CA94

split-complementary

#5B59CA #CA9459 #90CA59

monochromatic

#2A2980 #3A38AE #5B59CA #8987D9 #B7B6E8

Accessibility & contrast

On white

5.64

#5B59CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#5B59CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B59CA

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B59CA	#FFFFFF	#000000	##FFFFFF
##5B59CA	1.00	5.64	3.73	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CCE

Deuteranopia (green-blind)

#0063C8

Tritanopia (blue-blind)

#257389

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #5b59ca;
/* rgb */ color: rgb(91, 89, 202);
/* oklch */ color: oklch(52.8% 0.171 279.6);

Tailwind

colors: {
  custom: {
    50: '#9288db',
    500: '#5b59ca',
    950: '#000000',
  },
}

SCSS

$custom: #5b59ca;
$custom-light: #9288db;
$custom-dark: #000000;

JSON

{
  "hex": "#5b59ca",
  "rgb": {
    "r": 91,
    "g": 89,
    "b": 202
  },
  "hsl": {
    "h": 241.062,
    "s": 51.598,
    "l": 57.059
  },
  "oklch": {
    "l": 0.52781,
    "c": 0.17065,
    "h": 279.6
  },
  "luminance": 0.13633
}

Semantic roles & 50–950 ramp

primary

#5B59CA

secondary

#D6D6A8

accent

#DB4DD9

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5B59CA

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

Preview Lab → · Contrast checker → · Palette generator →