#579BD8#579BD8

#579BD8 is a light, moderate cyan. Relative luminance 0.304; OKLCH L 67.1% C 0.114 H 247.5°. Best body text is #000000 at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#579BD8
RGB	rgb(87, 155, 216)
HSL	hsl(208, 62%, 59%)
HSV	hsv(208, 60%, 85%)
CMYK	cmyk(59.7%, 28.2%, 0%, 15.3%)
CIE-LAB	lab(62.02, -3.43, -37.56)
CIE-LCH	lch(62.02, 37.72, 264.79°)
OKLab	oklab(67.05% -0.0439 -0.1057)
OKLCH	oklch(67.05% 0.114 247.5)
XYZ	xyz(28.0420, 30.4242, 69.3471)
Luminance	0.3043 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579BD8 #D89457

analogous

#57D8D5 #579BD8 #575BD8

triadic

#579BD8 #D8579B #9BD857

tetradic

#579BD8 #D557D8 #D89457 #5BD857

square

#579BD8 #D557D8 #D89457 #5BD857

split-complementary

#579BD8 #D8575B #D8D557

monochromatic

#225D93 #2E7DC4 #579BD8 #89B9E4 #BAD6EF

Accessibility & contrast

On white

2.96

#579BD8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.09

#579BD8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579BD8

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579BD8	#FFFFFF	#000000	##000000
##579BD8	1.00	2.96	7.09	7.09
#FFFFFF	2.96	1.00	21.00	21.00
#000000	7.09	21.00	1.00	1.00
##000000	7.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#819DDB

Deuteranopia (green-blind)

#7090D7

Tritanopia (blue-blind)

#00A9B0

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #579bd8;
/* rgb */ color: rgb(87, 155, 216);
/* oklch */ color: oklch(67.1% 0.114 247.5);

Tailwind

colors: {
  custom: {
    50: '#91b8e4',
    500: '#579bd8',
    950: '#000000',
  },
}

SCSS

$custom: #579bd8;
$custom-light: #91b8e4;
$custom-dark: #000000;

JSON

{
  "hex": "#579bd8",
  "rgb": {
    "r": 87,
    "g": 155,
    "b": 216
  },
  "hsl": {
    "h": 208.372,
    "s": 62.319,
    "l": 59.412
  },
  "oklch": {
    "l": 0.67051,
    "c": 0.11446,
    "h": 247.5
  },
  "luminance": 0.30427
}

Semantic roles & 50–950 ramp

primary

#579BD8

secondary

#DFC4AC

accent

#8F42E5

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0E1115

muted

#7E8083

Preview Lab

Preview with #579BD8

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

Preview Lab → · Contrast checker → · Palette generator →