#579FFF#579FFF

#579FFF is a light, vivid cyan. Relative luminance 0.340; OKLCH L 70.0% C 0.159 H 256.3°. Best body text is #000000 at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#579FFF
RGB	rgb(87, 159, 255)
HSL	hsl(214, 100%, 67%)
HSV	hsv(214, 66%, 100%)
CMYK	cmyk(65.9%, 37.6%, 0%, 0%)
CIE-LAB	lab(64.99, 7.12, -54.34)
CIE-LCH	lch(64.99, 54.80, 277.46°)
OKLab	oklab(69.99% -0.0376 -0.1546)
OKLCH	oklch(69.99% 0.159 256.3)
XYZ	xyz(34.3721, 34.0390, 99.3471)
Luminance	0.3404 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579FFF #FFB757

analogous

#57F3FF #579FFF #6357FF

triadic

#579FFF #FF579F #9FFF57

tetradic

#579FFF #FF57F3 #FFB757 #57FF63

square

#579FFF #FF57F3 #FFB757 #57FF63

split-complementary

#579FFF #FF6357 #F3FF57

monochromatic

#005EDC #1A7CFF #579FFF #94C2FF #D1E5FF

Accessibility & contrast

On white

2.69

#579FFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.81

#579FFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579FFF

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579FFF	#FFFFFF	#000000	##000000
##579FFF	1.00	2.69	7.81	7.81
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.81	21.00	1.00	1.00
##000000	7.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#74A6FF

Deuteranopia (green-blind)

#5B97FD

Tritanopia (blue-blind)

#00B5C3

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #579fff;
/* rgb */ color: rgb(87, 159, 255);
/* oklch */ color: oklch(70.0% 0.159 256.3);

Tailwind

colors: {
  custom: {
    50: '#96baff',
    500: '#579fff',
    950: '#000000',
  },
}

SCSS

$custom: #579fff;
$custom-light: #96baff;
$custom-dark: #000000;

JSON

{
  "hex": "#579fff",
  "rgb": {
    "r": 87,
    "g": 159,
    "b": 255
  },
  "hsl": {
    "h": 214.286,
    "s": 100,
    "l": 67.059
  },
  "oklch": {
    "l": 0.69989,
    "c": 0.1591,
    "h": 256.3
  },
  "luminance": 0.34043
}

Semantic roles & 50–950 ramp

primary

#579FFF

secondary

#F4DDBE

accent

#8300E6

background

#FAFBFF

surface

#F3F6FF

border

#CDD0D7

text

#0F1118

muted

#7F8086

Preview Lab

Preview with #579FFF

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

Preview Lab → · Contrast checker → · Palette generator →