#579AEE#579AEE

#579AEE is a light, vivid cyan. Relative luminance 0.313; OKLCH L 68.0% C 0.143 H 255.0°. Best body text is #000000 at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#579AEE
RGB	rgb(87, 154, 238)
HSL	hsl(213, 82%, 64%)
HSV	hsv(213, 63%, 93%)
CMYK	cmyk(63.4%, 35.3%, 0%, 6.7%)
CIE-LAB	lab(62.77, 4.34, -48.56)
CIE-LCH	lch(62.77, 48.75, 275.11°)
OKLab	oklab(67.97% -0.0368 -0.1377)
OKLCH	oklch(67.97% 0.143 255)
XYZ	xyz(30.9131, 31.3075, 85.2862)
Luminance	0.3131 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579AEE #EEAB57

analogous

#57E6EE #579AEE #5F57EE

triadic

#579AEE #EE579A #9AEE57

tetradic

#579AEE #EE57E6 #EEAB57 #57EE5F

square

#579AEE #EE57E6 #EEAB57 #57EE5F

split-complementary

#579AEE #EE5F57 #E6EE57

monochromatic

#135CB8 #1F79E8 #579AEE #8FBBF4 #C6DDF9

Accessibility & contrast

On white

2.89

#579AEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.26

#579AEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579AEE

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579AEE	#FFFFFF	#000000	##000000
##579AEE	1.00	2.89	7.26	7.26
#FFFFFF	2.89	1.00	21.00	21.00
#000000	7.26	21.00	1.00	1.00
##000000	7.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#75A0F1

Deuteranopia (green-blind)

#6091EC

Tritanopia (blue-blind)

#00ADB9

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #579aee;
/* rgb */ color: rgb(87, 154, 238);
/* oklch */ color: oklch(68.0% 0.143 255.0);

Tailwind

colors: {
  custom: {
    50: '#94b7f4',
    500: '#579aee',
    950: '#000000',
  },
}

SCSS

$custom: #579aee;
$custom-light: #94b7f4;
$custom-dark: #000000;

JSON

{
  "hex": "#579aee",
  "rgb": {
    "r": 87,
    "g": 154,
    "b": 238
  },
  "hsl": {
    "h": 213.377,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.67975,
    "c": 0.14256,
    "h": 255
  },
  "luminance": 0.3131
}

Semantic roles & 50–950 ramp

primary

#579AEE

secondary

#EBD3B6

accent

#7F08DE

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #579AEE

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

Preview Lab → · Contrast checker → · Palette generator →