#579EE4#579EE4

#579EE4 is a light, vivid cyan. Relative luminance 0.321; OKLCH L 68.3% C 0.126 H 249.9°. Best body text is #000000 at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#579EE4
RGB	rgb(87, 158, 228)
HSL	hsl(210, 72%, 62%)
HSV	hsv(210, 62%, 89%)
CMYK	cmyk(61.8%, 30.7%, 0%, 10.6%)
CIE-LAB	lab(63.41, -1.25, -42.03)
CIE-LCH	lch(63.41, 42.05, 268.29°)
OKLab	oklab(68.32% -0.0435 -0.1187)
OKLCH	oklch(68.32% 0.126 249.9)
XYZ	xyz(30.1558, 32.0785, 77.9863)
Luminance	0.3208 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579EE4 #E49D57

analogous

#57E4E3 #579EE4 #5758E4

triadic

#579EE4 #E4579E #9EE457

tetradic

#579EE4 #E357E4 #E49D57 #58E457

square

#579EE4 #E357E4 #E49D57 #58E457

split-complementary

#579EE4 #E45758 #E4E357

monochromatic

#1B61A6 #2380DB #579EE4 #8CBCEC #C0DBF5

Accessibility & contrast

On white

2.83

#579EE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.42

#579EE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579EE4

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579EE4	#FFFFFF	#000000	##000000
##579EE4	1.00	2.83	7.42	7.42
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.42	21.00	1.00	1.00
##000000	7.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#80A1E7

Deuteranopia (green-blind)

#6D93E3

Tritanopia (blue-blind)

#00AEB7

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #579ee4;
/* rgb */ color: rgb(87, 158, 228);
/* oklch */ color: oklch(68.3% 0.126 249.9);

Tailwind

colors: {
  custom: {
    50: '#92baed',
    500: '#579ee4',
    950: '#000000',
  },
}

SCSS

$custom: #579ee4;
$custom-light: #92baed;
$custom-dark: #000000;

JSON

{
  "hex": "#579ee4",
  "rgb": {
    "r": 87,
    "g": 158,
    "b": 228
  },
  "hsl": {
    "h": 209.787,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.68321,
    "c": 0.12639,
    "h": 249.9
  },
  "luminance": 0.32081
}

Semantic roles & 50–950 ramp

primary

#579EE4

secondary

#E6CBB1

accent

#7211D4

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #579EE4

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

Preview Lab → · Contrast checker → · Palette generator →