#579CEE#579CEE

#579CEE is a light, vivid cyan. Relative luminance 0.320; OKLCH L 68.4% C 0.141 H 254.0°. Best body text is #000000 at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#579CEE
RGB	rgb(87, 156, 238)
HSL	hsl(213, 82%, 64%)
HSV	hsv(213, 63%, 93%)
CMYK	cmyk(63.4%, 34.5%, 0%, 6.7%)
CIE-LAB	lab(63.32, 3.18, -47.68)
CIE-LCH	lch(63.32, 47.79, 273.82°)
OKLab	oklab(68.41% -0.0388 -0.1351)
OKLCH	oklch(68.41% 0.141 254)
XYZ	xyz(31.2460, 31.9732, 85.3971)
Luminance	0.3198 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579CEE #EEA957

analogous

#57E7EE #579CEE #5D57EE

triadic

#579CEE #EE579C #9CEE57

tetradic

#579CEE #EE57E7 #EEA957 #57EE5D

square

#579CEE #EE57E7 #EEA957 #57EE5D

split-complementary

#579CEE #EE5D57 #E7EE57

monochromatic

#135EB8 #1F7BE8 #579CEE #8FBDF4 #C6DDF9

Accessibility & contrast

On white

2.84

#579CEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.40

#579CEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579CEE

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579CEE	#FFFFFF	#000000	##000000
##579CEE	1.00	2.84	7.40	7.40
#FFFFFF	2.84	1.00	21.00	21.00
#000000	7.40	21.00	1.00	1.00
##000000	7.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#78A1F1

Deuteranopia (green-blind)

#6493EC

Tritanopia (blue-blind)

#00AFBA

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #579cee;
/* rgb */ color: rgb(87, 156, 238);
/* oklch */ color: oklch(68.4% 0.141 254.0);

Tailwind

colors: {
  custom: {
    50: '#94b8f4',
    500: '#579cee',
    950: '#000000',
  },
}

SCSS

$custom: #579cee;
$custom-light: #94b8f4;
$custom-dark: #000000;

JSON

{
  "hex": "#579cee",
  "rgb": {
    "r": 87,
    "g": 156,
    "b": 238
  },
  "hsl": {
    "h": 212.583,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.68408,
    "c": 0.14061,
    "h": 254
  },
  "luminance": 0.31976
}

Semantic roles & 50–950 ramp

primary

#579CEE

secondary

#EBD3B6

accent

#7C08DE

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #579CEE

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

Preview Lab → · Contrast checker → · Palette generator →