#579DDE#579DDE

#579DDE is a light, vivid cyan. Relative luminance 0.314; OKLCH L 67.8% C 0.120 H 248.4°. Best body text is #000000 at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#579DDE
RGB	rgb(87, 157, 222)
HSL	hsl(209, 67%, 61%)
HSV	hsv(209, 61%, 87%)
CMYK	cmyk(60.8%, 29.3%, 0%, 12.9%)
CIE-LAB	lab(62.85, -2.63, -39.58)
CIE-LCH	lch(62.85, 39.67, 266.20°)
OKLab	oklab(67.8% -0.0442 -0.1116)
OKLCH	oklch(67.8% 0.12 248.4)
XYZ	xyz(29.1674, 31.4114, 73.6190)
Luminance	0.3141 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579DDE #DE9857

analogous

#57DEDB #579DDE #5759DE

triadic

#579DDE #DE579D #9DDE57

tetradic

#579DDE #DB57DE #DE9857 #59DE57

square

#579DDE #DB57DE #DE9857 #59DE57

split-complementary

#579DDE #DE5759 #DEDB57

monochromatic

#1F609C #297FCF #579DDE #8ABBE8 #BDD9F2

Accessibility & contrast

On white

2.88

#579DDE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.28

#579DDE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579DDE

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579DDE	#FFFFFF	#000000	##000000
##579DDE	1.00	2.88	7.28	7.28
#FFFFFF	2.88	1.00	21.00	21.00
#000000	7.28	21.00	1.00	1.00
##000000	7.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#819FE1

Deuteranopia (green-blind)

#6F92DD

Tritanopia (blue-blind)

#00ACB4

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #579dde;
/* rgb */ color: rgb(87, 157, 222);
/* oklch */ color: oklch(67.8% 0.120 248.4);

Tailwind

colors: {
  custom: {
    50: '#91b9e8',
    500: '#579dde',
    950: '#000000',
  },
}

SCSS

$custom: #579dde;
$custom-light: #91b9e8;
$custom-dark: #000000;

JSON

{
  "hex": "#579dde",
  "rgb": {
    "r": 87,
    "g": 157,
    "b": 222
  },
  "hsl": {
    "h": 208.889,
    "s": 67.164,
    "l": 60.588
  },
  "oklch": {
    "l": 0.67796,
    "c": 0.12001,
    "h": 248.4
  },
  "luminance": 0.31414
}

Semantic roles & 50–950 ramp

primary

#579DDE

secondary

#E2C7AF

accent

#6F16CF

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #579DDE

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

Preview Lab → · Contrast checker → · Palette generator →