#579CF5#579CF5

#579CF5 is a light, vivid cyan. Relative luminance 0.324; OKLCH L 68.8% C 0.149 H 255.6°. Best body text is #000000 at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#579CF5
RGB	rgb(87, 156, 245)
HSL	hsl(214, 89%, 65%)
HSV	hsv(214, 64%, 96%)
CMYK	cmyk(64.5%, 36.3%, 0%, 3.9%)
CIE-LAB	lab(63.67, 5.51, -50.98)
CIE-LCH	lch(63.67, 51.28, 276.17°)
OKLab	oklab(68.79% -0.0371 -0.1448)
OKLCH	oklch(68.79% 0.149 255.6)
XYZ	xyz(32.2944, 32.3926, 90.9190)
Luminance	0.3240 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579CF5 #F5B057

analogous

#57EBF5 #579CF5 #6157F5

triadic

#579CF5 #F5579C #9CF557

tetradic

#579CF5 #F557EB #F5B057 #57F561

square

#579CF5 #F557EB #F5B057 #57F561

split-complementary

#579CF5 #F56157 #EBF557

monochromatic

#0C5DC6 #1D7AF2 #579CF5 #91BEF8 #CBE0FC

Accessibility & contrast

On white

2.81

#579CF5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.48

#579CF5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579CF5

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579CF5	#FFFFFF	#000000	##000000
##579CF5	1.00	2.81	7.48	7.48
#FFFFFF	2.81	1.00	21.00	21.00
#000000	7.48	21.00	1.00	1.00
##000000	7.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#75A2F9

Deuteranopia (green-blind)

#5E93F3

Tritanopia (blue-blind)

#00B0BD

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #579cf5;
/* rgb */ color: rgb(87, 156, 245);
/* oklch */ color: oklch(68.8% 0.149 255.6);

Tailwind

colors: {
  custom: {
    50: '#95b8f9',
    500: '#579cf5',
    950: '#000000',
  },
}

SCSS

$custom: #579cf5;
$custom-light: #95b8f9;
$custom-dark: #000000;

JSON

{
  "hex": "#579cf5",
  "rgb": {
    "r": 87,
    "g": 156,
    "b": 245
  },
  "hsl": {
    "h": 213.797,
    "s": 88.764,
    "l": 65.098
  },
  "oklch": {
    "l": 0.6879,
    "c": 0.14945,
    "h": 255.6
  },
  "luminance": 0.32396
}

Semantic roles & 50–950 ramp

primary

#579CF5

secondary

#EFD7B9

accent

#8100E5

background

#F9FBFF

surface

#F2F6FF

border

#CCD0D7

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #579CF5

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

Preview Lab → · Contrast checker → · Palette generator →