#579FCF#579FCF

#579FCF is a light, moderate cyan. Relative luminance 0.313; OKLCH L 67.5% C 0.102 H 239.8°. Best body text is #000000 at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#579FCF
RGB	rgb(87, 159, 207)
HSL	hsl(204, 56%, 58%)
HSV	hsv(204, 58%, 81%)
CMYK	cmyk(58%, 23.2%, 0%, 18.8%)
CIE-LAB	lab(62.78, -8.53, -31.37)
CIE-LCH	lch(62.78, 32.50, 254.79°)
OKLab	oklab(67.53% -0.0511 -0.0878)
OKLCH	oklch(67.53% 0.102 239.8)
XYZ	xyz(27.5869, 31.3250, 63.6119)
Luminance	0.3133 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579FCF #CF8757

analogous

#57CFC3 #579FCF #5763CF

triadic

#579FCF #CF579F #9FCF57

tetradic

#579FCF #C357CF #CF8757 #63CF57

square

#579FCF #C357CF #CF8757 #63CF57

split-complementary

#579FCF #CF5763 #CFC357

monochromatic

#265F85 #3481B5 #579FCF #87BADD #B6D5EA

Accessibility & contrast

On white

2.89

#579FCF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.27

#579FCF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579FCF

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579FCF	#FFFFFF	#000000	##000000
##579FCF	1.00	2.89	7.27	7.27
#FFFFFF	2.89	1.00	21.00	21.00
#000000	7.27	21.00	1.00	1.00
##000000	7.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#899FD1

Deuteranopia (green-blind)

#7992CE

Tritanopia (blue-blind)

#00ABAF

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #579fcf;
/* rgb */ color: rgb(87, 159, 207);
/* oklch */ color: oklch(67.5% 0.102 239.8);

Tailwind

colors: {
  custom: {
    50: '#90bbde',
    500: '#579fcf',
    950: '#000000',
  },
}

SCSS

$custom: #579fcf;
$custom-light: #90bbde;
$custom-dark: #000000;

JSON

{
  "hex": "#579fcf",
  "rgb": {
    "r": 87,
    "g": 159,
    "b": 207
  },
  "hsl": {
    "h": 204,
    "s": 55.556,
    "l": 57.647
  },
  "oklch": {
    "l": 0.67527,
    "c": 0.1016,
    "h": 239.8
  },
  "luminance": 0.31328
}

Semantic roles & 50–950 ramp

primary

#579FCF

secondary

#D9BCA9

accent

#8549DF

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #579FCF

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

Preview Lab → · Contrast checker → · Palette generator →