#579FEC#579FEC

#579FEC is a light, vivid cyan. Relative luminance 0.329; OKLCH L 69.0% C 0.135 H 251.8°. Best body text is #000000 at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#579FEC
RGB	rgb(87, 159, 236)
HSL	hsl(211, 80%, 63%)
HSV	hsv(211, 63%, 93%)
CMYK	cmyk(63.1%, 32.6%, 0%, 7.5%)
CIE-LAB	lab(64.06, 0.79, -45.42)
CIE-LCH	lch(64.06, 45.42, 271.00°)
OKLab	oklab(68.96% -0.0423 -0.1285)
OKLCH	oklch(68.96% 0.135 251.8)
XYZ	xyz(31.4634, 32.8756, 84.0281)
Luminance	0.3288 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579FEC #ECA457

analogous

#57E9EC #579FEC #5957EC

triadic

#579FEC #EC579F #9FEC57

tetradic

#579FEC #EC57E9 #ECA457 #57EC59

square

#579FEC #EC57E9 #ECA457 #57EC59

split-complementary

#579FEC #EC5957 #E9EC57

monochromatic

#1462B4 #2080E6 #579FEC #8EBEF2 #C5DEF8

Accessibility & contrast

On white

2.77

#579FEC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.58

#579FEC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579FEC

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579FEC	#FFFFFF	#000000	##000000
##579FEC	1.00	2.77	7.58	7.58
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.58	21.00	1.00	1.00
##000000	7.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7EA3EF

Deuteranopia (green-blind)

#6995EA

Tritanopia (blue-blind)

#00B1BB

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #579fec;
/* rgb */ color: rgb(87, 159, 236);
/* oklch */ color: oklch(69.0% 0.135 251.8);

Tailwind

colors: {
  custom: {
    50: '#93bbf2',
    500: '#579fec',
    950: '#000000',
  },
}

SCSS

$custom: #579fec;
$custom-light: #93bbf2;
$custom-dark: #000000;

JSON

{
  "hex": "#579fec",
  "rgb": {
    "r": 87,
    "g": 159,
    "b": 236
  },
  "hsl": {
    "h": 211.007,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.68955,
    "c": 0.1353,
    "h": 251.8
  },
  "luminance": 0.32879
}

Semantic roles & 50–950 ramp

primary

#579FEC

secondary

#EAD0B5

accent

#760ADC

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #579FEC

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

Preview Lab → · Contrast checker → · Palette generator →