#579DE4#579DE4

#579DE4 is a light, vivid cyan. Relative luminance 0.317; OKLCH L 68.1% C 0.127 H 250.5°. Best body text is #000000 at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#579DE4
RGB	rgb(87, 157, 228)
HSL	hsl(210, 72%, 62%)
HSV	hsv(210, 62%, 89%)
CMYK	cmyk(61.8%, 31.1%, 0%, 10.6%)
CIE-LAB	lab(63.13, -0.68, -42.48)
CIE-LCH	lch(63.13, 42.48, 269.08°)
OKLab	oklab(68.1% -0.0425 -0.12)
OKLCH	oklch(68.1% 0.127 250.5)
XYZ	xyz(29.9859, 31.7388, 77.9297)
Luminance	0.3174 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579DE4 #E49E57

analogous

#57E3E4 #579DE4 #5857E4

triadic

#579DE4 #E4579D #9DE457

tetradic

#579DE4 #E457E3 #E49E57 #57E458

square

#579DE4 #E457E3 #E49E57 #57E458

split-complementary

#579DE4 #E45857 #E3E457

monochromatic

#1B60A6 #237EDB #579DE4 #8CBCEC #C0DBF5

Accessibility & contrast

On white

2.86

#579DE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.35

#579DE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579DE4

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579DE4	#FFFFFF	#000000	##000000
##579DE4	1.00	2.86	7.35	7.35
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.35	21.00	1.00	1.00
##000000	7.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7FA0E7

Deuteranopia (green-blind)

#6B93E3

Tritanopia (blue-blind)

#00AEB6

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #579de4;
/* rgb */ color: rgb(87, 157, 228);
/* oklch */ color: oklch(68.1% 0.127 250.5);

Tailwind

colors: {
  custom: {
    50: '#92b9ed',
    500: '#579de4',
    950: '#000000',
  },
}

SCSS

$custom: #579de4;
$custom-light: #92b9ed;
$custom-dark: #000000;

JSON

{
  "hex": "#579de4",
  "rgb": {
    "r": 87,
    "g": 157,
    "b": 228
  },
  "hsl": {
    "h": 210.213,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.681,
    "c": 0.12727,
    "h": 250.5
  },
  "luminance": 0.31742
}

Semantic roles & 50–950 ramp

primary

#579DE4

secondary

#E6CCB1

accent

#7311D4

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #579DE4

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

Preview Lab → · Contrast checker → · Palette generator →