#579FBB#579FBB

#579FBB is a light, moderate cyan. Relative luminance 0.304; OKLCH L 66.7% C 0.083 H 225.5°. Best body text is #000000 at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#579FBB
RGB	rgb(87, 159, 187)
HSL	hsl(197, 42%, 54%)
HSV	hsv(197, 53%, 73%)
CMYK	cmyk(53.5%, 15%, 0%, 26.7%)
CIE-LAB	lab(62.00, -14.61, -21.38)
CIE-LCH	lch(62.00, 25.90, 235.64°)
OKLab	oklab(66.65% -0.0583 -0.0593)
OKLCH	oklch(66.65% 0.083 225.5)
XYZ	xyz(25.2949, 30.4082, 51.5404)
Luminance	0.3041 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579FBB #BB7357

analogous

#57BBA5 #579FBB #576DBB

triadic

#579FBB #BB579F #9FBB57

tetradic

#579FBB #A557BB #BB7357 #6DBB57

square

#579FBB #A557BB #BB7357 #6DBB57

split-complementary

#579FBB #BB576D #BBA557

monochromatic

#2C5A6C #3D7E97 #579FBB #83B8CD #AED1DE

Accessibility & contrast

On white

2.97

#579FBB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.08

#579FBB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579FBB

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579FBB	#FFFFFF	#000000	##000000
##579FBB	1.00	2.97	7.08	7.08
#FFFFFF	2.97	1.00	21.00	21.00
#000000	7.08	21.00	1.00	1.00
##000000	7.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#909CBC

Deuteranopia (green-blind)

#8191BB

Tritanopia (blue-blind)

#0EA7A8

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #579fbb;
/* rgb */ color: rgb(87, 159, 187);
/* oklch */ color: oklch(66.7% 0.083 225.5);

Tailwind

colors: {
  custom: {
    50: '#8ebbcf',
    500: '#579fbb',
    950: '#000000',
  },
}

SCSS

$custom: #579fbb;
$custom-light: #8ebbcf;
$custom-dark: #000000;

JSON

{
  "hex": "#579fbb",
  "rgb": {
    "r": 87,
    "g": 159,
    "b": 187
  },
  "hsl": {
    "h": 196.8,
    "s": 42.373,
    "l": 53.725
  },
  "oklch": {
    "l": 0.66653,
    "c": 0.08317,
    "h": 225.5
  },
  "luminance": 0.3041
}

Semantic roles & 50–950 ramp

primary

#579FBB

secondary

#CCADA2

accent

#7956D2

background

#F9FBFC

surface

#F1F6F9

border

#CBD0D2

text

#0D1113

muted

#7E8082

Preview Lab

Preview with #579FBB

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

Preview Lab → · Contrast checker → · Palette generator →