#5657CD#5657CD

#5657CD is a mid, vivid blue. Relative luminance 0.132; OKLCH L 52.3% C 0.178 H 277.9°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#5657CD
RGB	rgb(86, 87, 205)
HSL	hsl(239, 54%, 57%)
HSV	hsv(239, 58%, 80%)
CMYK	cmyk(58%, 57.6%, 0%, 19.6%)
CIE-LAB	lab(43.06, 33.93, -61.52)
CIE-LCH	lch(43.06, 70.26, 298.88°)
OKLab	oklab(52.28% 0.0245 -0.1766)
OKLCH	oklch(52.28% 0.178 277.9)
XYZ	xyz(18.2619, 13.2013, 59.3316)
Luminance	0.1320 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5657CD #CDCC56

analogous

#5693CD #5657CD #9156CD

triadic

#5657CD #CD5657 #57CD56

tetradic

#5657CD #CD5693 #CDCC56 #56CD91

square

#5657CD #CD5693 #CDCC56 #56CD91

split-complementary

#5657CD #CD9156 #93CD56

monochromatic

#262782 #3436B1 #5657CD #8586DB #B4B5E9

Accessibility & contrast

On white

5.77

#5657CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#5657CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5657CD

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5657CD	#FFFFFF	#000000	##FFFFFF
##5657CD	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD1

Deuteranopia (green-blind)

#0061CB

Tritanopia (blue-blind)

#017389

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #5657cd;
/* rgb */ color: rgb(86, 87, 205);
/* oklch */ color: oklch(52.3% 0.178 277.9);

Tailwind

colors: {
  custom: {
    50: '#9086dd',
    500: '#5657cd',
    950: '#000000',
  },
}

SCSS

$custom: #5657cd;
$custom-light: #9086dd;
$custom-dark: #000000;

JSON

{
  "hex": "#5657cd",
  "rgb": {
    "r": 86,
    "g": 87,
    "b": 205
  },
  "hsl": {
    "h": 239.496,
    "s": 54.338,
    "l": 57.059
  },
  "oklch": {
    "l": 0.52283,
    "c": 0.17828,
    "h": 277.9
  },
  "luminance": 0.13203
}

Semantic roles & 50–950 ramp

primary

#5657CD

secondary

#D8D7A7

accent

#DC4ADE

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5657CD

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

Preview Lab → · Contrast checker → · Palette generator →