#579BEE#579BEE

#579BEE is a light, vivid cyan. Relative luminance 0.316; OKLCH L 68.2% C 0.142 H 254.5°. Best body text is #000000 at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#579BEE
RGB	rgb(87, 155, 238)
HSL	hsl(213, 82%, 64%)
HSV	hsv(213, 63%, 93%)
CMYK	cmyk(63.4%, 34.9%, 0%, 6.7%)
CIE-LAB	lab(63.04, 3.76, -48.12)
CIE-LCH	lch(63.04, 48.27, 274.47°)
OKLab	oklab(68.19% -0.0378 -0.1364)
OKLCH	oklch(68.19% 0.142 254.5)
XYZ	xyz(31.0789, 31.6390, 85.3414)
Luminance	0.3164 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579BEE #EEAA57

analogous

#57E7EE #579BEE #5E57EE

triadic

#579BEE #EE579B #9BEE57

tetradic

#579BEE #EE57E7 #EEAA57 #57EE5E

square

#579BEE #EE57E7 #EEAA57 #57EE5E

split-complementary

#579BEE #EE5E57 #E7EE57

monochromatic

#135DB8 #1F7AE8 #579BEE #8FBCF4 #C6DDF9

Accessibility & contrast

On white

2.87

#579BEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.33

#579BEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579BEE

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579BEE	#FFFFFF	#000000	##000000
##579BEE	1.00	2.87	7.33	7.33
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.33	21.00	1.00	1.00
##000000	7.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#77A0F1

Deuteranopia (green-blind)

#6292EC

Tritanopia (blue-blind)

#00AEB9

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #579bee;
/* rgb */ color: rgb(87, 155, 238);
/* oklch */ color: oklch(68.2% 0.142 254.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#579bee",
  "rgb": {
    "r": 87,
    "g": 155,
    "b": 238
  },
  "hsl": {
    "h": 212.98,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.68191,
    "c": 0.14158,
    "h": 254.5
  },
  "luminance": 0.31642
}

Semantic roles & 50–950 ramp

primary

#579BEE

secondary

#EBD3B6

accent

#7D08DE

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #579BEE

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

Preview Lab → · Contrast checker → · Palette generator →