#579EEF#579EEF

#579EEF is a light, vivid cyan. Relative luminance 0.327; OKLCH L 68.9% C 0.140 H 253.2°. Best body text is #000000 at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#579EEF
RGB	rgb(87, 158, 239)
HSL	hsl(212, 83%, 64%)
HSV	hsv(212, 64%, 94%)
CMYK	cmyk(63.6%, 33.9%, 0%, 6.3%)
CIE-LAB	lab(63.92, 2.36, -47.28)
CIE-LCH	lch(63.92, 47.34, 272.86°)
OKLab	oklab(68.9% -0.0405 -0.134)
OKLCH	oklch(68.9% 0.14 253.2)
XYZ	xyz(31.7317, 32.7089, 86.2858)
Luminance	0.3271 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579EEF #EFA857

analogous

#57EAEF #579EEF #5C57EF

triadic

#579EEF #EF579E #9EEF57

tetradic

#579EEF #EF57EA #EFA857 #57EF5C

square

#579EEF #EF57EA #EFA857 #57EF5C

split-complementary

#579EEF #EF5C57 #EAEF57

monochromatic

#1260BA #1F7EEA #579EEF #8FBEF4 #C7DFFA

Accessibility & contrast

On white

2.78

#579EEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.54

#579EEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579EEF

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579EEF	#FFFFFF	#000000	##000000
##579EEF	1.00	2.78	7.54	7.54
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.54	21.00	1.00	1.00
##000000	7.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7BA3F2

Deuteranopia (green-blind)

#6694ED

Tritanopia (blue-blind)

#00B1BB

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #579eef;
/* rgb */ color: rgb(87, 158, 239);
/* oklch */ color: oklch(68.9% 0.140 253.2);

Tailwind

colors: {
  custom: {
    50: '#94baf4',
    500: '#579eef',
    950: '#000000',
  },
}

SCSS

$custom: #579eef;
$custom-light: #94baf4;
$custom-dark: #000000;

JSON

{
  "hex": "#579eef",
  "rgb": {
    "r": 87,
    "g": 158,
    "b": 239
  },
  "hsl": {
    "h": 211.974,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.68896,
    "c": 0.13995,
    "h": 253.2
  },
  "luminance": 0.32712
}

Semantic roles & 50–950 ramp

primary

#579EEF

secondary

#ECD3B6

accent

#7A06DF

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #579EEF

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

Preview Lab → · Contrast checker → · Palette generator →