#579DDF#579DDF

#579DDF is a light, vivid cyan. Relative luminance 0.315; OKLCH L 67.8% C 0.121 H 248.8°. Best body text is #000000 at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#579DDF
RGB	rgb(87, 157, 223)
HSL	hsl(209, 68%, 61%)
HSV	hsv(209, 61%, 87%)
CMYK	cmyk(61%, 29.6%, 0%, 12.5%)
CIE-LAB	lab(62.90, -2.31, -40.07)
CIE-LCH	lch(62.90, 40.13, 266.70°)
OKLab	oklab(67.85% -0.0439 -0.113)
OKLCH	oklch(67.85% 0.121 248.8)
XYZ	xyz(29.3019, 31.4651, 74.3269)
Luminance	0.3147 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579DDF #DF9957

analogous

#57DFDD #579DDF #5759DF

triadic

#579DDF #DF579D #9DDF57

tetradic

#579DDF #DD57DF #DF9957 #59DF57

square

#579DDF #DD57DF #DF9957 #59DF57

split-complementary

#579DDF #DF5759 #DFDD57

monochromatic

#1E609E #287FD1 #579DDF #8ABBE9 #BED9F3

Accessibility & contrast

On white

2.88

#579DDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.29

#579DDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579DDF

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579DDF	#FFFFFF	#000000	##000000
##579DDF	1.00	2.88	7.29	7.29
#FFFFFF	2.88	1.00	21.00	21.00
#000000	7.29	21.00	1.00	1.00
##000000	7.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81A0E2

Deuteranopia (green-blind)

#6E92DE

Tritanopia (blue-blind)

#00ADB4

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #579ddf;
/* rgb */ color: rgb(87, 157, 223);
/* oklch */ color: oklch(67.8% 0.121 248.8);

Tailwind

colors: {
  custom: {
    50: '#92b9e9',
    500: '#579ddf',
    950: '#000000',
  },
}

SCSS

$custom: #579ddf;
$custom-light: #92b9e9;
$custom-dark: #000000;

JSON

{
  "hex": "#579ddf",
  "rgb": {
    "r": 87,
    "g": 157,
    "b": 223
  },
  "hsl": {
    "h": 209.118,
    "s": 68,
    "l": 60.784
  },
  "oklch": {
    "l": 0.67846,
    "c": 0.1212,
    "h": 248.8
  },
  "luminance": 0.31468
}

Semantic roles & 50–950 ramp

primary

#579DDF

secondary

#E3C8AF

accent

#7016D0

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #579DDF

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

Preview Lab → · Contrast checker → · Palette generator →