#579DD4#579DD4

#579DD4 is a light, moderate cyan. Relative luminance 0.309; OKLCH L 67.3% C 0.108 H 244.1°. Best body text is #000000 at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#579DD4
RGB	rgb(87, 157, 212)
HSL	hsl(206, 59%, 59%)
HSV	hsv(206, 59%, 83%)
CMYK	cmyk(59%, 25.9%, 0%, 16.9%)
CIE-LAB	lab(62.42, -5.83, -34.72)
CIE-LCH	lch(62.42, 35.20, 260.46°)
OKLab	oklab(67.31% -0.0473 -0.0975)
OKLCH	oklch(67.31% 0.108 244.1)
XYZ	xyz(27.8667, 30.8911, 66.7686)
Luminance	0.3089 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579DD4 #D48E57

analogous

#57D4CC #579DD4 #575ED4

triadic

#579DD4 #D4579D #9DD457

tetradic

#579DD4 #CC57D4 #D48E57 #5ED457

square

#579DD4 #CC57D4 #D48E57 #5ED457

split-complementary

#579DD4 #D4575E #D4CC57

monochromatic

#245F8D #307FBD #579DD4 #88B9E0 #B8D6ED

Accessibility & contrast

On white

2.93

#579DD4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.18

#579DD4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579DD4

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579DD4	#FFFFFF	#000000	##000000
##579DD4	1.00	2.93	7.18	7.18
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.18	21.00	1.00	1.00
##000000	7.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#859ED7

Deuteranopia (green-blind)

#7491D3

Tritanopia (blue-blind)

#00AAB0

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #579dd4;
/* rgb */ color: rgb(87, 157, 212);
/* oklch */ color: oklch(67.3% 0.108 244.1);

Tailwind

colors: {
  custom: {
    50: '#90b9e1',
    500: '#579dd4',
    950: '#000000',
  },
}

SCSS

$custom: #579dd4;
$custom-light: #90b9e1;
$custom-dark: #000000;

JSON

{
  "hex": "#579dd4",
  "rgb": {
    "r": 87,
    "g": 157,
    "b": 212
  },
  "hsl": {
    "h": 206.4,
    "s": 59.242,
    "l": 58.627
  },
  "oklch": {
    "l": 0.67307,
    "c": 0.10834,
    "h": 244.1
  },
  "luminance": 0.30894
}

Semantic roles & 50–950 ramp

primary

#579DD4

secondary

#DCC0AB

accent

#8A45E2

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #579DD4

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

Preview Lab → · Contrast checker → · Palette generator →