#579BEB#579BEB

#579BEB is a light, vivid cyan. Relative luminance 0.315; OKLCH L 68.0% C 0.138 H 253.8°. Best body text is #000000 at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#579BEB
RGB	rgb(87, 155, 235)
HSL	hsl(212, 79%, 63%)
HSV	hsv(212, 63%, 92%)
CMYK	cmyk(63%, 34%, 0%, 7.8%)
CIE-LAB	lab(62.90, 2.77, -46.70)
CIE-LCH	lch(62.90, 46.78, 273.39°)
OKLab	oklab(68.03% -0.0385 -0.1323)
OKLCH	oklch(68.03% 0.138 253.8)
XYZ	xyz(30.6418, 31.4641, 83.0395)
Luminance	0.3147 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579BEB #EBA757

analogous

#57E5EB #579BEB #5D57EB

triadic

#579BEB #EB579B #9BEB57

tetradic

#579BEB #EB57E5 #EBA757 #57EB5D

square

#579BEB #EB57E5 #EBA757 #57EB5D

split-complementary

#579BEB #EB5D57 #E5EB57

monochromatic

#155DB2 #207AE4 #579BEB #8EBCF2 #C4DCF8

Accessibility & contrast

On white

2.88

#579BEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.29

#579BEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579BEB

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579BEB	#FFFFFF	#000000	##000000
##579BEB	1.00	2.88	7.29	7.29
#FFFFFF	2.88	1.00	21.00	21.00
#000000	7.29	21.00	1.00	1.00
##000000	7.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#78A0EE

Deuteranopia (green-blind)

#6492E9

Tritanopia (blue-blind)

#00ADB8

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #579beb;
/* rgb */ color: rgb(87, 155, 235);
/* oklch */ color: oklch(68.0% 0.138 253.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#579beb",
  "rgb": {
    "r": 87,
    "g": 155,
    "b": 235
  },
  "hsl": {
    "h": 212.432,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.68029,
    "c": 0.13779,
    "h": 253.8
  },
  "luminance": 0.31467
}

Semantic roles & 50–950 ramp

primary

#579BEB

secondary

#E9D1B4

accent

#7B0ADB

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #579BEB

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

Preview Lab → · Contrast checker → · Palette generator →