#579BE4#579BE4

#579BE4 is a light, vivid cyan. Relative luminance 0.311; OKLCH L 67.7% C 0.129 H 251.8°. Best body text is #000000 at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#579BE4
RGB	rgb(87, 155, 228)
HSL	hsl(211, 72%, 62%)
HSV	hsv(211, 62%, 89%)
CMYK	cmyk(61.8%, 32%, 0%, 10.6%)
CIE-LAB	lab(62.56, 0.46, -43.36)
CIE-LCH	lch(62.56, 43.36, 270.61°)
OKLab	oklab(67.66% -0.0404 -0.1225)
OKLCH	oklch(67.66% 0.129 251.8)
XYZ	xyz(29.6503, 31.0676, 77.8178)
Luminance	0.3107 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579BE4 #E4A057

analogous

#57E2E4 #579BE4 #5A57E4

triadic

#579BE4 #E4579B #9BE457

tetradic

#579BE4 #E457E2 #E4A057 #57E45A

square

#579BE4 #E457E2 #E4A057 #57E45A

split-complementary

#579BE4 #E45A57 #E2E457

monochromatic

#1B5EA6 #237CDB #579BE4 #8CBAEC #C0DAF5

Accessibility & contrast

On white

2.91

#579BE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.21

#579BE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579BE4

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579BE4	#FFFFFF	#000000	##000000
##579BE4	1.00	2.91	7.21	7.21
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.21	21.00	1.00	1.00
##000000	7.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C9FE7

Deuteranopia (green-blind)

#6991E3

Tritanopia (blue-blind)

#00ACB5

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #579be4;
/* rgb */ color: rgb(87, 155, 228);
/* oklch */ color: oklch(67.7% 0.129 251.8);

Tailwind

colors: {
  custom: {
    50: '#92b8ed',
    500: '#579be4',
    950: '#000000',
  },
}

SCSS

$custom: #579be4;
$custom-light: #92b8ed;
$custom-dark: #000000;

JSON

{
  "hex": "#579be4",
  "rgb": {
    "r": 87,
    "g": 155,
    "b": 228
  },
  "hsl": {
    "h": 211.064,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.67659,
    "c": 0.12904,
    "h": 251.8
  },
  "luminance": 0.3107
}

Semantic roles & 50–950 ramp

primary

#579BE4

secondary

#E6CCB1

accent

#7611D4

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #579BE4

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

Preview Lab → · Contrast checker → · Palette generator →