#579CEC#579CEC

#579CEC is a light, vivid cyan. Relative luminance 0.319; OKLCH L 68.3% C 0.138 H 253.5°. Best body text is #000000 at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#579CEC
RGB	rgb(87, 156, 236)
HSL	hsl(212, 80%, 63%)
HSV	hsv(212, 63%, 93%)
CMYK	cmyk(63.1%, 33.9%, 0%, 7.5%)
CIE-LAB	lab(63.22, 2.52, -46.73)
CIE-LCH	lch(63.22, 46.80, 273.09°)
OKLab	oklab(68.3% -0.0393 -0.1324)
OKLCH	oklch(68.3% 0.138 253.5)
XYZ	xyz(30.9538, 31.8563, 83.8582)
Luminance	0.3186 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579CEC #ECA757

analogous

#57E6EC #579CEC #5C57EC

triadic

#579CEC #EC579C #9CEC57

tetradic

#579CEC #EC57E6 #ECA757 #57EC5C

square

#579CEC #EC57E6 #ECA757 #57EC5C

split-complementary

#579CEC #EC5C57 #E6EC57

monochromatic

#145EB4 #207CE6 #579CEC #8EBCF2 #C5DDF8

Accessibility & contrast

On white

2.85

#579CEC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.37

#579CEC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579CEC

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579CEC	#FFFFFF	#000000	##000000
##579CEC	1.00	2.85	7.37	7.37
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.37	21.00	1.00	1.00
##000000	7.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#79A1EF

Deuteranopia (green-blind)

#6593EA

Tritanopia (blue-blind)

#00AEB9

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #579cec;
/* rgb */ color: rgb(87, 156, 236);
/* oklch */ color: oklch(68.3% 0.138 253.5);

Tailwind

colors: {
  custom: {
    50: '#93b8f2',
    500: '#579cec',
    950: '#000000',
  },
}

SCSS

$custom: #579cec;
$custom-light: #93b8f2;
$custom-dark: #000000;

JSON

{
  "hex": "#579cec",
  "rgb": {
    "r": 87,
    "g": 156,
    "b": 236
  },
  "hsl": {
    "h": 212.215,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.683,
    "c": 0.13809,
    "h": 253.5
  },
  "luminance": 0.31859
}

Semantic roles & 50–950 ramp

primary

#579CEC

secondary

#EAD1B5

accent

#7B0ADC

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #579CEC

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

Preview Lab → · Contrast checker → · Palette generator →