#579CCF#579CCF

#579CCF is a light, moderate cyan. Relative luminance 0.303; OKLCH L 66.8% C 0.103 H 242.5°. Best body text is #000000 at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#579CCF
RGB	rgb(87, 156, 207)
HSL	hsl(206, 56%, 58%)
HSV	hsv(206, 58%, 81%)
CMYK	cmyk(58%, 24.6%, 0%, 18.8%)
CIE-LAB	lab(61.92, -6.85, -32.71)
CIE-LCH	lch(61.92, 33.42, 258.17°)
OKLab	oklab(66.84% -0.0478 -0.0917)
OKLCH	oklch(66.84% 0.103 242.5)
XYZ	xyz(27.0773, 30.3057, 63.4420)
Luminance	0.3031 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579CCF #CF8A57

analogous

#57CFC6 #579CCF #5760CF

triadic

#579CCF #CF579C #9CCF57

tetradic

#579CCF #C657CF #CF8A57 #60CF57

square

#579CCF #C657CF #CF8A57 #60CF57

split-complementary

#579CCF #CF5760 #CFC657

monochromatic

#265D85 #347EB5 #579CCF #87B8DD #B6D4EA

Accessibility & contrast

On white

2.97

#579CCF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.06

#579CCF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579CCF

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579CCF	#FFFFFF	#000000	##000000
##579CCF	1.00	2.97	7.06	7.06
#FFFFFF	2.97	1.00	21.00	21.00
#000000	7.06	21.00	1.00	1.00
##000000	7.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#869CD1

Deuteranopia (green-blind)

#7590CE

Tritanopia (blue-blind)

#00A8AD

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #579ccf;
/* rgb */ color: rgb(87, 156, 207);
/* oklch */ color: oklch(66.8% 0.103 242.5);

Tailwind

colors: {
  custom: {
    50: '#90b9de',
    500: '#579ccf',
    950: '#000000',
  },
}

SCSS

$custom: #579ccf;
$custom-light: #90b9de;
$custom-dark: #000000;

JSON

{
  "hex": "#579ccf",
  "rgb": {
    "r": 87,
    "g": 156,
    "b": 207
  },
  "hsl": {
    "h": 205.5,
    "s": 55.556,
    "l": 57.647
  },
  "oklch": {
    "l": 0.66843,
    "c": 0.1034,
    "h": 242.5
  },
  "luminance": 0.30308
}

Semantic roles & 50–950 ramp

primary

#579CCF

secondary

#D9BDA9

accent

#8949DF

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #579CCF

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

Preview Lab → · Contrast checker → · Palette generator →