#5B56CD#5B56CD

#5B56CD is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.5% C 0.179 H 280.2°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#5B56CD
RGB	rgb(91, 86, 205)
HSL	hsl(243, 54%, 57%)
HSV	hsv(243, 58%, 80%)
CMYK	cmyk(55.6%, 58%, 0%, 19.6%)
CIE-LAB	lab(43.19, 35.45, -61.30)
CIE-LCH	lch(43.19, 70.81, 300.04°)
OKLab	oklab(52.47% 0.0315 -0.1758)
OKLCH	oklch(52.47% 0.179 280.2)
XYZ	xyz(18.6582, 13.2863, 59.3271)
Luminance	0.1329 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B56CD #C8CD56

analogous

#568DCD #5B56CD #9756CD

triadic

#5B56CD #CD5B56 #56CD5B

tetradic

#5B56CD #CD568D #C8CD56 #56CD97

square

#5B56CD #CD568D #C8CD56 #56CD97

split-complementary

#5B56CD #CD9756 #8DCD56

monochromatic

#2A2682 #3A34B1 #5B56CD #8985DB #B7B4E9

Accessibility & contrast

On white

5.74

#5B56CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#5B56CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B56CD

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B56CD	#FFFFFF	#000000	##FFFFFF
##5B56CD	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD1

Deuteranopia (green-blind)

#0061CB

Tritanopia (blue-blind)

#217289

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #5b56cd;
/* rgb */ color: rgb(91, 86, 205);
/* oklch */ color: oklch(52.5% 0.179 280.2);

Tailwind

colors: {
  custom: {
    50: '#9386dd',
    500: '#5b56cd',
    950: '#000000',
  },
}

SCSS

$custom: #5b56cd;
$custom-light: #9386dd;
$custom-dark: #000000;

JSON

{
  "hex": "#5b56cd",
  "rgb": {
    "r": 91,
    "g": 86,
    "b": 205
  },
  "hsl": {
    "h": 242.521,
    "s": 54.338,
    "l": 57.059
  },
  "oklch": {
    "l": 0.5247,
    "c": 0.1786,
    "h": 280.2
  },
  "luminance": 0.13288
}

Semantic roles & 50–950 ramp

primary

#5B56CD

secondary

#D6D8A7

accent

#DE4AD7

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5B56CD

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

Preview Lab → · Contrast checker → · Palette generator →