#579CBB#579CBB

#579CBB is a light, moderate cyan. Relative luminance 0.294; OKLCH L 66.0% C 0.084 H 229.0°. Best body text is #000000 at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#579CBB
RGB	rgb(87, 156, 187)
HSL	hsl(199, 42%, 54%)
HSV	hsv(199, 53%, 73%)
CMYK	cmyk(53.5%, 16.6%, 0%, 26.7%)
CIE-LAB	lab(61.12, -12.99, -22.73)
CIE-LCH	lch(61.12, 26.18, 240.25°)
OKLab	oklab(65.95% -0.0548 -0.0631)
OKLCH	oklch(65.95% 0.084 229)
XYZ	xyz(24.7852, 29.3889, 51.3706)
Luminance	0.2939 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579CBB #BB7657

analogous

#57BBA8 #579CBB #576ABB

triadic

#579CBB #BB579C #9CBB57

tetradic

#579CBB #A857BB #BB7657 #6ABB57

square

#579CBB #A857BB #BB7657 #6ABB57

split-complementary

#579CBB #BB576A #BBA857

monochromatic

#2C586C #3D7C97 #579CBB #83B6CD #AECFDE

Accessibility & contrast

On white

3.05

#579CBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.88

#579CBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #579CBB

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579CBB	#FFFFFF	#000000	##000000
##579CBB	1.00	3.05	6.88	6.88
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.88	21.00	1.00	1.00
##000000	6.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C9ABD

Deuteranopia (green-blind)

#7E8FBB

Tritanopia (blue-blind)

#10A5A6

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #579cbb;
/* rgb */ color: rgb(87, 156, 187);
/* oklch */ color: oklch(66.0% 0.084 229.0);

Tailwind

colors: {
  custom: {
    50: '#8db9cf',
    500: '#579cbb',
    950: '#000000',
  },
}

SCSS

$custom: #579cbb;
$custom-light: #8db9cf;
$custom-dark: #000000;

JSON

{
  "hex": "#579cbb",
  "rgb": {
    "r": 87,
    "g": 156,
    "b": 187
  },
  "hsl": {
    "h": 198.6,
    "s": 42.373,
    "l": 53.725
  },
  "oklch": {
    "l": 0.65951,
    "c": 0.08362,
    "h": 229
  },
  "luminance": 0.29391
}

Semantic roles & 50–950 ramp

primary

#579CBB

secondary

#CCAFA2

accent

#7C56D2

background

#F9FBFC

surface

#F1F6F9

border

#CBD0D2

text

#0D1113

muted

#7E8082

Preview Lab

Preview with #579CBB

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

Preview Lab → · Contrast checker → · Palette generator →