#579ED1#579ED1

#579ED1 is a light, moderate cyan. Relative luminance 0.311; OKLCH L 67.4% C 0.104 H 241.8°. Best body text is #000000 at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#579ED1
RGB	rgb(87, 158, 209)
HSL	hsl(205, 57%, 58%)
HSV	hsv(205, 58%, 82%)
CMYK	cmyk(58.4%, 24.4%, 0%, 18%)
CIE-LAB	lab(62.58, -7.34, -32.80)
CIE-LCH	lch(62.58, 33.61, 257.38°)
OKLab	oklab(67.39% -0.0493 -0.0919)
OKLCH	oklch(67.39% 0.104 241.8)
XYZ	xyz(27.6617, 31.0809, 64.8507)
Luminance	0.3108 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579ED1 #D18A57

analogous

#57D1C7 #579ED1 #5761D1

triadic

#579ED1 #D1579E #9ED157

tetradic

#579ED1 #C757D1 #D18A57 #61D157

square

#579ED1 #C757D1 #D18A57 #61D157

split-complementary

#579ED1 #D15761 #D1C757

monochromatic

#255F88 #3280B8 #579ED1 #87BADE #B7D5EB

Accessibility & contrast

On white

2.91

#579ED1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.22

#579ED1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579ED1

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579ED1	#FFFFFF	#000000	##000000
##579ED1	1.00	2.91	7.22	7.22
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.22	21.00	1.00	1.00
##000000	7.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#879ED3

Deuteranopia (green-blind)

#7792D0

Tritanopia (blue-blind)

#00ABAF

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #579ed1;
/* rgb */ color: rgb(87, 158, 209);
/* oklch */ color: oklch(67.4% 0.104 241.8);

Tailwind

colors: {
  custom: {
    50: '#90badf',
    500: '#579ed1',
    950: '#000000',
  },
}

SCSS

$custom: #579ed1;
$custom-light: #90badf;
$custom-dark: #000000;

JSON

{
  "hex": "#579ed1",
  "rgb": {
    "r": 87,
    "g": 158,
    "b": 209
  },
  "hsl": {
    "h": 205.082,
    "s": 57.009,
    "l": 58.039
  },
  "oklch": {
    "l": 0.67392,
    "c": 0.10435,
    "h": 241.8
  },
  "luminance": 0.31083
}

Semantic roles & 50–950 ramp

primary

#579ED1

secondary

#DABEAA

accent

#8748E0

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #579ED1

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

Preview Lab → · Contrast checker → · Palette generator →