#5657BC#5657BC

#5657BC is a mid, vivid blue. Relative luminance 0.124; OKLCH L 51.0% C 0.155 H 279.0°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#5657BC
RGB	rgb(86, 87, 188)
HSL	hsl(239, 43%, 54%)
HSV	hsv(239, 54%, 74%)
CMYK	cmyk(54.3%, 53.7%, 0%, 26.3%)
CIE-LAB	lab(41.88, 28.41, -53.58)
CIE-LCH	lch(41.88, 60.64, 297.94°)
OKLab	oklab(51.03% 0.0241 -0.1532)
OKLCH	oklch(51.03% 0.155 279)
XYZ	xyz(16.3202, 12.4246, 49.1054)
Luminance	0.1243 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5657BC #BCBB56

analogous

#568ABC #5657BC #8856BC

triadic

#5657BC #BC5657 #57BC56

tetradic

#5657BC #BC568A #BCBB56 #56BC88

square

#5657BC #BC568A #BCBB56 #56BC88

split-complementary

#5657BC #BC8856 #8ABC56

monochromatic

#2B2C6D #3C3D98 #5657BC #8283CD #AEAEDF

Accessibility & contrast

On white

6.03

#5657BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#5657BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5657BC

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5657BC	#FFFFFF	#000000	##FFFFFF
##5657BC	1.00	6.03	3.49	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C67C0

Deuteranopia (green-blind)

#055FBA

Tritanopia (blue-blind)

#266E81

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #5657bc;
/* rgb */ color: rgb(86, 87, 188);
/* oklch */ color: oklch(51.0% 0.155 279.0);

Tailwind

colors: {
  custom: {
    50: '#8e86d1',
    500: '#5657bc',
    950: '#000000',
  },
}

SCSS

$custom: #5657bc;
$custom-light: #8e86d1;
$custom-dark: #000000;

JSON

{
  "hex": "#5657bc",
  "rgb": {
    "r": 86,
    "g": 87,
    "b": 188
  },
  "hsl": {
    "h": 239.412,
    "s": 43.22,
    "l": 53.725
  },
  "oklch": {
    "l": 0.51028,
    "c": 0.1551,
    "h": 279
  },
  "luminance": 0.12426
}

Semantic roles & 50–950 ramp

primary

#5657BC

secondary

#CDCCA1

accent

#D255D3

background

#F9F8FC

surface

#F1EFF9

border

#CBCAD2

text

#0D0B14

muted

#7E7C82

Preview Lab

Preview with #5657BC

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

Preview Lab → · Contrast checker → · Palette generator →