#579EEC#579EEC

#579EEC is a light, vivid cyan. Relative luminance 0.325; OKLCH L 68.7% C 0.136 H 252.3°. Best body text is #000000 at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#579EEC
RGB	rgb(87, 158, 236)
HSL	hsl(211, 80%, 63%)
HSV	hsv(211, 63%, 93%)
CMYK	cmyk(63.1%, 33.1%, 0%, 7.5%)
CIE-LAB	lab(63.78, 1.37, -45.86)
CIE-LCH	lch(63.78, 45.88, 271.71°)
OKLab	oklab(68.74% -0.0413 -0.1298)
OKLCH	oklch(68.74% 0.136 252.3)
XYZ	xyz(31.2921, 32.5330, 83.9710)
Luminance	0.3254 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579EEC #ECA557

analogous

#57E9EC #579EEC #5A57EC

triadic

#579EEC #EC579E #9EEC57

tetradic

#579EEC #EC57E9 #ECA557 #57EC5A

square

#579EEC #EC57E9 #ECA557 #57EC5A

split-complementary

#579EEC #EC5A57 #E9EC57

monochromatic

#1461B4 #207EE6 #579EEC #8EBEF2 #C5DDF8

Accessibility & contrast

On white

2.80

#579EEC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.51

#579EEC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579EEC

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579EEC	#FFFFFF	#000000	##000000
##579EEC	1.00	2.80	7.51	7.51
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.51	21.00	1.00	1.00
##000000	7.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7CA2EF

Deuteranopia (green-blind)

#6894EA

Tritanopia (blue-blind)

#00B0BA

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #579eec;
/* rgb */ color: rgb(87, 158, 236);
/* oklch */ color: oklch(68.7% 0.136 252.3);

Tailwind

colors: {
  custom: {
    50: '#93baf2',
    500: '#579eec',
    950: '#000000',
  },
}

SCSS

$custom: #579eec;
$custom-light: #93baf2;
$custom-dark: #000000;

JSON

{
  "hex": "#579eec",
  "rgb": {
    "r": 87,
    "g": 158,
    "b": 236
  },
  "hsl": {
    "h": 211.409,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.68736,
    "c": 0.13622,
    "h": 252.3
  },
  "luminance": 0.32536
}

Semantic roles & 50–950 ramp

primary

#579EEC

secondary

#EAD1B5

accent

#780ADC

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #579EEC

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

Preview Lab → · Contrast checker → · Palette generator →