#5B58CC#5B58CC

#5B58CC is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.7% C 0.175 H 279.7°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#5B58CC
RGB	rgb(91, 88, 204)
HSL	hsl(242, 53%, 57%)
HSV	hsv(242, 57%, 80%)
CMYK	cmyk(55.4%, 56.9%, 0%, 20%)
CIE-LAB	lab(43.60, 33.92, -60.06)
CIE-LCH	lch(43.60, 68.98, 299.45°)
OKLab	oklab(52.75% 0.0295 -0.1721)
OKLCH	oklch(52.75% 0.175 279.7)
XYZ	xyz(18.6998, 13.5620, 58.7474)
Luminance	0.1356 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B58CC #C9CC58

analogous

#588FCC #5B58CC #9558CC

triadic

#5B58CC #CC5B58 #58CC5B

tetradic

#5B58CC #CC588F #C9CC58 #58CC95

square

#5B58CC #CC588F #C9CC58 #58CC95

split-complementary

#5B58CC #CC9558 #8FCC58

monochromatic

#2A2882 #3936B1 #5B58CC #8987DA #B7B6E9

Accessibility & contrast

On white

5.66

#5B58CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#5B58CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B58CC

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B58CC	#FFFFFF	#000000	##FFFFFF
##5B58CC	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD0

Deuteranopia (green-blind)

#0063CA

Tritanopia (blue-blind)

#227389

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #5b58cc;
/* rgb */ color: rgb(91, 88, 204);
/* oklch */ color: oklch(52.7% 0.175 279.7);

Tailwind

colors: {
  custom: {
    50: '#9387dc',
    500: '#5b58cc',
    950: '#000000',
  },
}

SCSS

$custom: #5b58cc;
$custom-light: #9387dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5b58cc",
  "rgb": {
    "r": 91,
    "g": 88,
    "b": 204
  },
  "hsl": {
    "h": 241.552,
    "s": 53.211,
    "l": 57.255
  },
  "oklch": {
    "l": 0.52749,
    "c": 0.17466,
    "h": 279.7
  },
  "luminance": 0.13563
}

Semantic roles & 50–950 ramp

primary

#5B58CC

secondary

#D6D7A8

accent

#DD4BD9

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5B58CC

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

Preview Lab → · Contrast checker → · Palette generator →