#5657BB#5657BB

#5657BB is a mid, vivid blue. Relative luminance 0.124; OKLCH L 51.0% C 0.154 H 279.0°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#5657BB
RGB	rgb(86, 87, 187)
HSL	hsl(239, 43%, 54%)
HSV	hsv(239, 54%, 73%)
CMYK	cmyk(54%, 53.5%, 0%, 26.7%)
CIE-LAB	lab(41.82, 28.09, -53.10)
CIE-LCH	lch(41.82, 60.07, 297.88°)
OKLab	oklab(50.96% 0.0241 -0.1518)
OKLCH	oklch(50.96% 0.154 279)
XYZ	xyz(16.2128, 12.3817, 48.5397)
Luminance	0.1238 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5657BB #BBBA56

analogous

#5689BB #5657BB #8756BB

triadic

#5657BB #BB5657 #57BB56

tetradic

#5657BB #BB5689 #BBBA56 #56BB87

square

#5657BB #BB5689 #BBBA56 #56BB87

split-complementary

#5657BB #BB8756 #89BB56

monochromatic

#2B2C6B #3D3E97 #5657BB #8282CD #ADAEDE

Accessibility & contrast

On white

6.04

#5657BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#5657BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5657BB

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5657BB	#FFFFFF	#000000	##FFFFFF
##5657BB	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E67BE

Deuteranopia (green-blind)

#0A5FB9

Tritanopia (blue-blind)

#276E80

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #5657bb;
/* rgb */ color: rgb(86, 87, 187);
/* oklch */ color: oklch(51.0% 0.154 279.0);

Tailwind

colors: {
  custom: {
    50: '#8d86d0',
    500: '#5657bb',
    950: '#000000',
  },
}

SCSS

$custom: #5657bb;
$custom-light: #8d86d0;
$custom-dark: #000000;

JSON

{
  "hex": "#5657bb",
  "rgb": {
    "r": 86,
    "g": 87,
    "b": 187
  },
  "hsl": {
    "h": 239.406,
    "s": 42.616,
    "l": 53.529
  },
  "oklch": {
    "l": 0.50957,
    "c": 0.15371,
    "h": 279
  },
  "luminance": 0.12383
}

Semantic roles & 50–950 ramp

primary

#5657BB

secondary

#CCCCA1

accent

#D155D2

background

#F9F8FC

surface

#F1EFF9

border

#CBCAD2

text

#0D0B14

muted

#7E7C82

Preview Lab

Preview with #5657BB

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

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