#5B56CC#5B56CC

#5B56CC is a mid, vivid blue. Relative luminance 0.132; OKLCH L 52.4% C 0.177 H 280.2°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#5B56CC
RGB	rgb(91, 86, 204)
HSL	hsl(243, 54%, 57%)
HSV	hsv(243, 58%, 80%)
CMYK	cmyk(55.4%, 57.8%, 0%, 20%)
CIE-LAB	lab(43.12, 35.14, -60.84)
CIE-LCH	lch(43.12, 70.26, 300.01°)
OKLab	oklab(52.4% 0.0315 -0.1744)
OKLCH	oklch(52.4% 0.177 280.2)
XYZ	xyz(18.5378, 13.2382, 58.6934)
Luminance	0.1324 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B56CC #C7CC56

analogous

#568CCC #5B56CC #9656CC

triadic

#5B56CC #CC5B56 #56CC5B

tetradic

#5B56CC #CC568C #C7CC56 #56CC96

square

#5B56CC #CC568C #C7CC56 #56CC96

split-complementary

#5B56CC #CC9656 #8CCC56

monochromatic

#2B2781 #3A35B0 #5B56CC #8985DA #B6B4E8

Accessibility & contrast

On white

5.76

#5B56CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#5B56CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B56CC

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B56CC	#FFFFFF	#000000	##FFFFFF
##5B56CC	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD0

Deuteranopia (green-blind)

#0061CA

Tritanopia (blue-blind)

#227289

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #5b56cc;
/* rgb */ color: rgb(91, 86, 204);
/* oklch */ color: oklch(52.4% 0.177 280.2);

Tailwind

colors: {
  custom: {
    50: '#9386dc',
    500: '#5b56cc',
    950: '#000000',
  },
}

SCSS

$custom: #5b56cc;
$custom-light: #9386dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5b56cc",
  "rgb": {
    "r": 91,
    "g": 86,
    "b": 204
  },
  "hsl": {
    "h": 242.542,
    "s": 53.636,
    "l": 56.863
  },
  "oklch": {
    "l": 0.52395,
    "c": 0.17727,
    "h": 280.2
  },
  "luminance": 0.13239
}

Semantic roles & 50–950 ramp

primary

#5B56CC

secondary

#D5D7A7

accent

#DD4BD7

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5B56CC

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

Preview Lab → · Contrast checker → · Palette generator →