#579DF0#579DF0

#579DF0 is a light, vivid cyan. Relative luminance 0.324; OKLCH L 68.7% C 0.142 H 254.0°. Best body text is #000000 at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#579DF0
RGB	rgb(87, 157, 240)
HSL	hsl(213, 84%, 64%)
HSV	hsv(213, 64%, 94%)
CMYK	cmyk(63.7%, 34.6%, 0%, 5.9%)
CIE-LAB	lab(63.70, 3.27, -48.19)
CIE-LCH	lch(63.70, 48.30, 273.88°)
OKLab	oklab(68.73% -0.0393 -0.1366)
OKLCH	oklch(68.73% 0.142 254)
XYZ	xyz(31.7099, 32.4284, 87.0094)
Luminance	0.3243 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579DF0 #F0AA57

analogous

#57EAF0 #579DF0 #5E57F0

triadic

#579DF0 #F0579D #9DF057

tetradic

#579DF0 #F057EA #F0AA57 #57F05E

square

#579DF0 #F057EA #F0AA57 #57F05E

split-complementary

#579DF0 #F05E57 #EAF057

monochromatic

#115FBC #1F7CEB #579DF0 #8FBEF5 #C7DFFA

Accessibility & contrast

On white

2.81

#579DF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.49

#579DF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579DF0

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579DF0	#FFFFFF	#000000	##000000
##579DF0	1.00	2.81	7.49	7.49
#FFFFFF	2.81	1.00	21.00	21.00
#000000	7.49	21.00	1.00	1.00
##000000	7.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#79A2F3

Deuteranopia (green-blind)

#6494EE

Tritanopia (blue-blind)

#00B0BB

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #579df0;
/* rgb */ color: rgb(87, 157, 240);
/* oklch */ color: oklch(68.7% 0.142 254.0);

Tailwind

colors: {
  custom: {
    50: '#94b9f5',
    500: '#579df0',
    950: '#000000',
  },
}

SCSS

$custom: #579df0;
$custom-light: #94b9f5;
$custom-dark: #000000;

JSON

{
  "hex": "#579df0",
  "rgb": {
    "r": 87,
    "g": 157,
    "b": 240
  },
  "hsl": {
    "h": 212.549,
    "s": 83.607,
    "l": 64.118
  },
  "oklch": {
    "l": 0.68732,
    "c": 0.14215,
    "h": 254
  },
  "luminance": 0.32431
}

Semantic roles & 50–950 ramp

primary

#579DF0

secondary

#ECD4B7

accent

#7C05E0

background

#F9FBFF

surface

#F2F6FE

border

#CCD0D6

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #579DF0

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

Preview Lab → · Contrast checker → · Palette generator →