#579BCE#579BCE

#579BCE is a light, moderate cyan. Relative luminance 0.299; OKLCH L 66.6% C 0.103 H 242.8°. Best body text is #000000 at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#579BCE
RGB	rgb(87, 155, 206)
HSL	hsl(206, 55%, 57%)
HSV	hsv(206, 58%, 81%)
CMYK	cmyk(57.8%, 24.8%, 0%, 19.2%)
CIE-LAB	lab(61.59, -6.61, -32.66)
CIE-LCH	lch(61.59, 33.32, 258.57°)
OKLab	oklab(66.57% -0.047 -0.0916)
OKLCH	oklch(66.57% 0.103 242.8)
XYZ	xyz(26.7883, 29.9227, 62.7445)
Luminance	0.2993 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579BCE #CE8A57

analogous

#57CEC5 #579BCE #5760CE

triadic

#579BCE #CE579B #9BCE57

tetradic

#579BCE #C557CE #CE8A57 #60CE57

square

#579BCE #C557CE #CE8A57 #60CE57

split-complementary

#579BCE #CE5760 #CEC557

monochromatic

#275C84 #347DB3 #579BCE #86B7DC #B6D3EA

Accessibility & contrast

On white

3.01

#579BCE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.99

#579BCE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #579BCE

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579BCE	#FFFFFF	#000000	##000000
##579BCE	1.00	3.01	6.99	6.99
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.99	21.00	1.00	1.00
##000000	6.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#859BD0

Deuteranopia (green-blind)

#758FCD

Tritanopia (blue-blind)

#00A7AC

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #579bce;
/* rgb */ color: rgb(87, 155, 206);
/* oklch */ color: oklch(66.6% 0.103 242.8);

Tailwind

colors: {
  custom: {
    50: '#8fb8dd',
    500: '#579bce',
    950: '#000000',
  },
}

SCSS

$custom: #579bce;
$custom-light: #8fb8dd;
$custom-dark: #000000;

JSON

{
  "hex": "#579bce",
  "rgb": {
    "r": 87,
    "g": 155,
    "b": 206
  },
  "hsl": {
    "h": 205.714,
    "s": 54.839,
    "l": 57.451
  },
  "oklch": {
    "l": 0.66569,
    "c": 0.10293,
    "h": 242.8
  },
  "luminance": 0.29925
}

Semantic roles & 50–950 ramp

primary

#579BCE

secondary

#D8BDA8

accent

#894ADE

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #579BCE

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

Preview Lab → · Contrast checker → · Palette generator →