#5657CC#5657CC

#5657CC is a mid, vivid blue. Relative luminance 0.132; OKLCH L 52.2% C 0.177 H 278.0°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#5657CC
RGB	rgb(86, 87, 204)
HSL	hsl(239, 54%, 57%)
HSV	hsv(239, 58%, 80%)
CMYK	cmyk(57.8%, 57.4%, 0%, 20%)
CIE-LAB	lab(42.99, 33.60, -61.06)
CIE-LCH	lch(42.99, 69.70, 298.82°)
OKLab	oklab(52.21% 0.0245 -0.1752)
OKLCH	oklch(52.21% 0.177 278)
XYZ	xyz(18.1416, 13.1532, 58.6979)
Luminance	0.1315 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5657CC #CCCB56

analogous

#5692CC #5657CC #9056CC

triadic

#5657CC #CC5657 #57CC56

tetradic

#5657CC #CC5692 #CCCB56 #56CC90

square

#5657CC #CC5692 #CCCB56 #56CC90

split-complementary

#5657CC #CC9056 #92CC56

monochromatic

#272881 #3536B0 #5657CC #8586DA #B4B4E8

Accessibility & contrast

On white

5.78

#5657CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#5657CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5657CC

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5657CC	#FFFFFF	#000000	##FFFFFF
##5657CC	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD0

Deuteranopia (green-blind)

#0061CA

Tritanopia (blue-blind)

#057389

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #5657cc;
/* rgb */ color: rgb(86, 87, 204);
/* oklch */ color: oklch(52.2% 0.177 278.0);

Tailwind

colors: {
  custom: {
    50: '#9086dc',
    500: '#5657cc',
    950: '#000000',
  },
}

SCSS

$custom: #5657cc;
$custom-light: #9086dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5657cc",
  "rgb": {
    "r": 86,
    "g": 87,
    "b": 204
  },
  "hsl": {
    "h": 239.492,
    "s": 53.636,
    "l": 56.863
  },
  "oklch": {
    "l": 0.52207,
    "c": 0.17694,
    "h": 278
  },
  "luminance": 0.13154
}

Semantic roles & 50–950 ramp

primary

#5657CC

secondary

#D7D7A7

accent

#DC4BDD

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5657CC

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

Preview Lab → · Contrast checker → · Palette generator →