#579FBC#579FBC

#579FBC is a light, moderate cyan. Relative luminance 0.305; OKLCH L 66.7% C 0.084 H 226.4°. Best body text is #000000 at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#579FBC
RGB	rgb(87, 159, 188)
HSL	hsl(197, 43%, 54%)
HSV	hsv(197, 54%, 74%)
CMYK	cmyk(53.7%, 15.4%, 0%, 26.3%)
CIE-LAB	lab(62.04, -14.32, -21.88)
CIE-LCH	lch(62.04, 26.15, 236.80°)
OKLab	oklab(66.7% -0.0579 -0.0608)
OKLCH	oklch(66.7% 0.084 226.4)
XYZ	xyz(25.4023, 30.4511, 52.1062)
Luminance	0.3045 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579FBC #BC7457

analogous

#57BCA7 #579FBC #576DBC

triadic

#579FBC #BC579F #9FBC57

tetradic

#579FBC #A757BC #BC7457 #6DBC57

square

#579FBC #A757BC #BC7457 #6DBC57

split-complementary

#579FBC #BC576D #BCA757

monochromatic

#2C5A6D #3D7E99 #579FBC #83B8CD #AFD1DF

Accessibility & contrast

On white

2.96

#579FBC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.09

#579FBC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579FBC

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579FBC	#FFFFFF	#000000	##000000
##579FBC	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)

#8F9CBE

Deuteranopia (green-blind)

#8191BC

Tritanopia (blue-blind)

#0AA8A8

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #579fbc;
/* rgb */ color: rgb(87, 159, 188);
/* oklch */ color: oklch(66.7% 0.084 226.4);

Tailwind

colors: {
  custom: {
    50: '#8ebbd0',
    500: '#579fbc',
    950: '#000000',
  },
}

SCSS

$custom: #579fbc;
$custom-light: #8ebbd0;
$custom-dark: #000000;

JSON

{
  "hex": "#579fbc",
  "rgb": {
    "r": 87,
    "g": 159,
    "b": 188
  },
  "hsl": {
    "h": 197.228,
    "s": 42.979,
    "l": 53.922
  },
  "oklch": {
    "l": 0.66695,
    "c": 0.08392,
    "h": 226.4
  },
  "luminance": 0.30453
}

Semantic roles & 50–950 ramp

primary

#579FBC

secondary

#CDAEA2

accent

#7955D3

background

#F9FBFC

surface

#F1F6F9

border

#CBD0D2

text

#0D1114

muted

#7E8082

Preview Lab

Preview with #579FBC

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

Preview Lab → · Contrast checker → · Palette generator →