#579FDF#579FDF

#579FDF is a light, moderate cyan. Relative luminance 0.322; OKLCH L 68.3% C 0.120 H 247.4°. Best body text is #000000 at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#579FDF
RGB	rgb(87, 159, 223)
HSL	hsl(208, 68%, 61%)
HSV	hsv(208, 61%, 87%)
CMYK	cmyk(61%, 28.7%, 0%, 12.5%)
CIE-LAB	lab(63.46, -3.44, -39.18)
CIE-LCH	lch(63.46, 39.33, 264.98°)
OKLab	oklab(68.29% -0.046 -0.1104)
OKLCH	oklch(68.29% 0.12 247.4)
XYZ	xyz(29.6430, 32.1474, 74.4406)
Luminance	0.3215 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579FDF #DF9757

analogous

#57DFDB #579FDF #575BDF

triadic

#579FDF #DF579F #9FDF57

tetradic

#579FDF #DB57DF #DF9757 #5BDF57

square

#579FDF #DB57DF #DF9757 #5BDF57

split-complementary

#579FDF #DF575B #DFDB57

monochromatic

#1E629E #2881D1 #579FDF #8ABCE9 #BEDAF3

Accessibility & contrast

On white

2.83

#579FDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.43

#579FDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579FDF

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579FDF	#FFFFFF	#000000	##000000
##579FDF	1.00	2.83	7.43	7.43
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.43	21.00	1.00	1.00
##000000	7.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83A1E2

Deuteranopia (green-blind)

#7194DE

Tritanopia (blue-blind)

#00AEB5

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #579fdf;
/* rgb */ color: rgb(87, 159, 223);
/* oklch */ color: oklch(68.3% 0.120 247.4);

Tailwind

colors: {
  custom: {
    50: '#92bbe9',
    500: '#579fdf',
    950: '#000000',
  },
}

SCSS

$custom: #579fdf;
$custom-light: #92bbe9;
$custom-dark: #000000;

JSON

{
  "hex": "#579fdf",
  "rgb": {
    "r": 87,
    "g": 159,
    "b": 223
  },
  "hsl": {
    "h": 208.235,
    "s": 68,
    "l": 60.784
  },
  "oklch": {
    "l": 0.68292,
    "c": 0.1196,
    "h": 247.4
  },
  "luminance": 0.3215
}

Semantic roles & 50–950 ramp

primary

#579FDF

secondary

#E3C7AF

accent

#6D16D0

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #579FDF

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

Preview Lab → · Contrast checker → · Palette generator →