#579FEA#579FEA

#579FEA is a light, vivid cyan. Relative luminance 0.328; OKLCH L 68.9% C 0.133 H 251.2°. Best body text is #000000 at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#579FEA
RGB	rgb(87, 159, 234)
HSL	hsl(211, 78%, 63%)
HSV	hsv(211, 63%, 92%)
CMYK	cmyk(62.8%, 32.1%, 0%, 8.2%)
CIE-LAB	lab(63.97, 0.14, -44.46)
CIE-LCH	lch(63.97, 44.46, 270.18°)
OKLab	oklab(68.85% -0.0429 -0.1257)
OKLCH	oklch(68.85% 0.133 251.2)
XYZ	xyz(31.1745, 32.7600, 82.5064)
Luminance	0.3276 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579FEA #EAA257

analogous

#57E9EA #579FEA #5857EA

triadic

#579FEA #EA579F #9FEA57

tetradic

#579FEA #EA57E9 #EAA257 #57EA58

square

#579FEA #EA57E9 #EAA257 #57EA58

split-complementary

#579FEA #EA5857 #E9EA57

monochromatic

#1662B1 #2180E3 #579FEA #8DBEF1 #C4DDF8

Accessibility & contrast

On white

2.78

#579FEA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.55

#579FEA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579FEA

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579FEA	#FFFFFF	#000000	##000000
##579FEA	1.00	2.78	7.55	7.55
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.55	21.00	1.00	1.00
##000000	7.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7FA3ED

Deuteranopia (green-blind)

#6B95E9

Tritanopia (blue-blind)

#00B0BA

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #579fea;
/* rgb */ color: rgb(87, 159, 234);
/* oklch */ color: oklch(68.9% 0.133 251.2);

Tailwind

colors: {
  custom: {
    50: '#93bbf1',
    500: '#579fea',
    950: '#000000',
  },
}

SCSS

$custom: #579fea;
$custom-light: #93bbf1;
$custom-dark: #000000;

JSON

{
  "hex": "#579fea",
  "rgb": {
    "r": 87,
    "g": 159,
    "b": 234
  },
  "hsl": {
    "h": 210.612,
    "s": 77.778,
    "l": 62.941
  },
  "oklch": {
    "l": 0.68851,
    "c": 0.13284,
    "h": 251.2
  },
  "luminance": 0.32763
}

Semantic roles & 50–950 ramp

primary

#579FEA

secondary

#E9CFB4

accent

#750BDA

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #579FEA

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

Preview Lab → · Contrast checker → · Palette generator →