#579FEE#579FEE

#579FEE is a light, vivid cyan. Relative luminance 0.330; OKLCH L 69.1% C 0.138 H 252.3°. Best body text is #000000 at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#579FEE
RGB	rgb(87, 159, 238)
HSL	hsl(211, 82%, 64%)
HSV	hsv(211, 63%, 93%)
CMYK	cmyk(63.4%, 33.2%, 0%, 6.7%)
CIE-LAB	lab(64.15, 1.45, -46.37)
CIE-LCH	lch(64.15, 46.39, 271.79°)
OKLab	oklab(69.06% -0.0418 -0.1313)
OKLCH	oklch(69.06% 0.138 252.3)
XYZ	xyz(31.7556, 32.9925, 85.5670)
Luminance	0.3300 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579FEE #EEA657

analogous

#57EAEE #579FEE #5A57EE

triadic

#579FEE #EE579F #9FEE57

tetradic

#579FEE #EE57EA #EEA657 #57EE5A

square

#579FEE #EE57EA #EEA657 #57EE5A

split-complementary

#579FEE #EE5A57 #EAEE57

monochromatic

#1361B8 #1F7FE8 #579FEE #8FBFF4 #C6DFF9

Accessibility & contrast

On white

2.76

#579FEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.60

#579FEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579FEE

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579FEE	#FFFFFF	#000000	##000000
##579FEE	1.00	2.76	7.60	7.60
#FFFFFF	2.76	1.00	21.00	21.00
#000000	7.60	21.00	1.00	1.00
##000000	7.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7DA3F1

Deuteranopia (green-blind)

#6895EC

Tritanopia (blue-blind)

#00B1BC

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #579fee;
/* rgb */ color: rgb(87, 159, 238);
/* oklch */ color: oklch(69.1% 0.138 252.3);

Tailwind

colors: {
  custom: {
    50: '#94bbf4',
    500: '#579fee',
    950: '#000000',
  },
}

SCSS

$custom: #579fee;
$custom-light: #94bbf4;
$custom-dark: #000000;

JSON

{
  "hex": "#579fee",
  "rgb": {
    "r": 87,
    "g": 159,
    "b": 238
  },
  "hsl": {
    "h": 211.391,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.6906,
    "c": 0.13777,
    "h": 252.3
  },
  "luminance": 0.32996
}

Semantic roles & 50–950 ramp

primary

#579FEE

secondary

#EBD2B6

accent

#7808DE

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #579FEE

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

Preview Lab → · Contrast checker → · Palette generator →