#579CDF#579CDF

#579CDF is a light, vivid cyan. Relative luminance 0.311; OKLCH L 67.6% C 0.122 H 249.4°. Best body text is #000000 at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#579CDF
RGB	rgb(87, 156, 223)
HSL	hsl(210, 68%, 61%)
HSV	hsv(210, 61%, 87%)
CMYK	cmyk(61%, 30%, 0%, 12.5%)
CIE-LAB	lab(62.62, -1.74, -40.51)
CIE-LCH	lch(62.62, 40.55, 267.54°)
OKLab	oklab(67.62% -0.0429 -0.1143)
OKLCH	oklch(67.62% 0.122 249.4)
XYZ	xyz(29.1334, 31.1281, 74.2708)
Luminance	0.3113 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579CDF #DF9A57

analogous

#57DFDE #579CDF #5758DF

triadic

#579CDF #DF579C #9CDF57

tetradic

#579CDF #DE57DF #DF9A57 #58DF57

square

#579CDF #DE57DF #DF9A57 #58DF57

split-complementary

#579CDF #DF5758 #DFDE57

monochromatic

#1E5F9E #287ED1 #579CDF #8ABAE9 #BED9F3

Accessibility & contrast

On white

2.91

#579CDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.23

#579CDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579CDF

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579CDF	#FFFFFF	#000000	##000000
##579CDF	1.00	2.91	7.23	7.23
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.23	21.00	1.00	1.00
##000000	7.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F9FE2

Deuteranopia (green-blind)

#6D91DE

Tritanopia (blue-blind)

#00ACB4

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #579cdf;
/* rgb */ color: rgb(87, 156, 223);
/* oklch */ color: oklch(67.6% 0.122 249.4);

Tailwind

colors: {
  custom: {
    50: '#92b8e9',
    500: '#579cdf',
    950: '#000000',
  },
}

SCSS

$custom: #579cdf;
$custom-light: #92b8e9;
$custom-dark: #000000;

JSON

{
  "hex": "#579cdf",
  "rgb": {
    "r": 87,
    "g": 156,
    "b": 223
  },
  "hsl": {
    "h": 209.559,
    "s": 68,
    "l": 60.784
  },
  "oklch": {
    "l": 0.67624,
    "c": 0.12204,
    "h": 249.4
  },
  "luminance": 0.31131
}

Semantic roles & 50–950 ramp

primary

#579CDF

secondary

#E3C9AF

accent

#7116D0

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #579CDF

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

Preview Lab → · Contrast checker → · Palette generator →