#579DF2#579DF2

#579DF2 is a light, vivid cyan. Relative luminance 0.326; OKLCH L 68.8% C 0.145 H 254.5°. Best body text is #000000 at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#579DF2
RGB	rgb(87, 157, 242)
HSL	hsl(213, 86%, 65%)
HSV	hsv(213, 64%, 95%)
CMYK	cmyk(64%, 35.1%, 0%, 5.1%)
CIE-LAB	lab(63.79, 3.93, -49.13)
CIE-LCH	lch(63.79, 49.29, 274.57°)
OKLab	oklab(68.84% -0.0388 -0.1394)
OKLCH	oklch(68.84% 0.145 254.5)
XYZ	xyz(32.0086, 32.5478, 88.5827)
Luminance	0.3255 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579DF2 #F2AC57

analogous

#57EBF2 #579DF2 #5F57F2

triadic

#579DF2 #F2579D #9DF257

tetradic

#579DF2 #F257EB #F2AC57 #57F25F

square

#579DF2 #F257EB #F2AC57 #57F25F

split-complementary

#579DF2 #F25F57 #EBF257

monochromatic

#0F5FC0 #1E7CEE #579DF2 #90BEF6 #C9DFFB

Accessibility & contrast

On white

2.80

#579DF2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.51

#579DF2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579DF2

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579DF2	#FFFFFF	#000000	##000000
##579DF2	1.00	2.80	7.51	7.51
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.51	21.00	1.00	1.00
##000000	7.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#78A3F6

Deuteranopia (green-blind)

#6294F0

Tritanopia (blue-blind)

#00B1BC

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #579df2;
/* rgb */ color: rgb(87, 157, 242);
/* oklch */ color: oklch(68.8% 0.145 254.5);

Tailwind

colors: {
  custom: {
    50: '#94b9f7',
    500: '#579df2',
    950: '#000000',
  },
}

SCSS

$custom: #579df2;
$custom-light: #94b9f7;
$custom-dark: #000000;

JSON

{
  "hex": "#579df2",
  "rgb": {
    "r": 87,
    "g": 157,
    "b": 242
  },
  "hsl": {
    "h": 212.903,
    "s": 85.635,
    "l": 64.51
  },
  "oklch": {
    "l": 0.68841,
    "c": 0.14466,
    "h": 254.5
  },
  "luminance": 0.32551
}

Semantic roles & 50–950 ramp

primary

#579DF2

secondary

#EDD5B8

accent

#7E03E2

background

#F9FBFF

surface

#F2F6FE

border

#CCD0D6

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #579DF2

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

Preview Lab → · Contrast checker → · Palette generator →