#579EF0#579EF0

#579EF0 is a light, vivid cyan. Relative luminance 0.328; OKLCH L 68.9% C 0.141 H 253.4°. Best body text is #000000 at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#579EF0
RGB	rgb(87, 158, 240)
HSL	hsl(212, 84%, 64%)
HSV	hsv(212, 64%, 94%)
CMYK	cmyk(63.7%, 34.2%, 0%, 5.9%)
CIE-LAB	lab(63.97, 2.69, -47.75)
CIE-LCH	lch(63.97, 47.83, 273.22°)
OKLab	oklab(68.95% -0.0403 -0.1353)
OKLCH	oklch(68.95% 0.141 253.4)
XYZ	xyz(31.8798, 32.7681, 87.0660)
Luminance	0.3277 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579EF0 #F0A957

analogous

#57EBF0 #579EF0 #5D57F0

triadic

#579EF0 #F0579E #9EF057

tetradic

#579EF0 #F057EB #F0A957 #57F05D

square

#579EF0 #F057EB #F0A957 #57F05D

split-complementary

#579EF0 #F05D57 #EBF057

monochromatic

#1160BC #1F7EEB #579EF0 #8FBEF5 #C7DFFA

Accessibility & contrast

On white

2.78

#579EF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.55

#579EF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579EF0

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579EF0	#FFFFFF	#000000	##000000
##579EF0	1.00	2.78	7.55	7.55
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.55	21.00	1.00	1.00
##000000	7.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7AA3F3

Deuteranopia (green-blind)

#6594EE

Tritanopia (blue-blind)

#00B1BC

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #579ef0;
/* rgb */ color: rgb(87, 158, 240);
/* oklch */ color: oklch(68.9% 0.141 253.4);

Tailwind

colors: {
  custom: {
    50: '#94baf5',
    500: '#579ef0',
    950: '#000000',
  },
}

SCSS

$custom: #579ef0;
$custom-light: #94baf5;
$custom-dark: #000000;

JSON

{
  "hex": "#579ef0",
  "rgb": {
    "r": 87,
    "g": 158,
    "b": 240
  },
  "hsl": {
    "h": 212.157,
    "s": 83.607,
    "l": 64.118
  },
  "oklch": {
    "l": 0.68949,
    "c": 0.1412,
    "h": 253.4
  },
  "luminance": 0.32771
}

Semantic roles & 50–950 ramp

primary

#579EF0

secondary

#ECD3B7

accent

#7B05E0

background

#F9FBFF

surface

#F2F6FE

border

#CCD0D6

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #579EF0

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

Preview Lab → · Contrast checker → · Palette generator →