#579DE1#579DE1

#579DE1 is a light, vivid cyan. Relative luminance 0.316; OKLCH L 67.9% C 0.124 H 249.5°. Best body text is #000000 at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#579DE1
RGB	rgb(87, 157, 225)
HSL	hsl(210, 70%, 61%)
HSV	hsv(210, 61%, 88%)
CMYK	cmyk(61.3%, 30.2%, 0%, 11.8%)
CIE-LAB	lab(62.99, -1.66, -41.03)
CIE-LCH	lch(62.99, 41.07, 267.68°)
OKLab	oklab(67.95% -0.0433 -0.1158)
OKLCH	oklch(67.95% 0.124 249.5)
XYZ	xyz(29.5731, 31.5736, 75.7554)
Luminance	0.3158 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579DE1 #E19B57

analogous

#57E1E0 #579DE1 #5758E1

triadic

#579DE1 #E1579D #9DE157

tetradic

#579DE1 #E057E1 #E19B57 #58E157

square

#579DE1 #E057E1 #E19B57 #58E157

split-complementary

#579DE1 #E15758 #E1E057

monochromatic

#1D60A1 #267FD5 #579DE1 #8BBBEA #BFDAF4

Accessibility & contrast

On white

2.87

#579DE1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.32

#579DE1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579DE1

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579DE1	#FFFFFF	#000000	##000000
##579DE1	1.00	2.87	7.32	7.32
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.32	21.00	1.00	1.00
##000000	7.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#80A0E4

Deuteranopia (green-blind)

#6D92E0

Tritanopia (blue-blind)

#00ADB5

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #579de1;
/* rgb */ color: rgb(87, 157, 225);
/* oklch */ color: oklch(67.9% 0.124 249.5);

Tailwind

colors: {
  custom: {
    50: '#92b9ea',
    500: '#579de1',
    950: '#000000',
  },
}

SCSS

$custom: #579de1;
$custom-light: #92b9ea;
$custom-dark: #000000;

JSON

{
  "hex": "#579de1",
  "rgb": {
    "r": 87,
    "g": 157,
    "b": 225
  },
  "hsl": {
    "h": 209.565,
    "s": 69.697,
    "l": 61.176
  },
  "oklch": {
    "l": 0.67947,
    "c": 0.12361,
    "h": 249.5
  },
  "luminance": 0.31576
}

Semantic roles & 50–950 ramp

primary

#579DE1

secondary

#E4CAB0

accent

#7114D2

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #579DE1

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

Preview Lab → · Contrast checker → · Palette generator →