#579CCE#579CCE

#579CCE is a light, moderate cyan. Relative luminance 0.303; OKLCH L 66.8% C 0.102 H 241.9°. Best body text is #000000 at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#579CCE
RGB	rgb(87, 156, 206)
HSL	hsl(205, 55%, 57%)
HSV	hsv(205, 58%, 81%)
CMYK	cmyk(57.8%, 24.3%, 0%, 19.2%)
CIE-LAB	lab(61.88, -7.17, -32.21)
CIE-LCH	lch(61.88, 33.00, 257.46°)
OKLab	oklab(66.8% -0.0481 -0.0903)
OKLCH	oklch(66.8% 0.102 241.9)
XYZ	xyz(26.9554, 30.2570, 62.8002)
Luminance	0.3026 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579CCE #CE8957

analogous

#57CEC5 #579CCE #5760CE

triadic

#579CCE #CE579C #9CCE57

tetradic

#579CCE #C557CE #CE8957 #60CE57

square

#579CCE #C557CE #CE8957 #60CE57

split-complementary

#579CCE #CE5760 #CEC557

monochromatic

#275D84 #347EB3 #579CCE #86B8DC #B6D4EA

Accessibility & contrast

On white

2.98

#579CCE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.05

#579CCE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579CCE

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579CCE	#FFFFFF	#000000	##000000
##579CCE	1.00	2.98	7.05	7.05
#FFFFFF	2.98	1.00	21.00	21.00
#000000	7.05	21.00	1.00	1.00
##000000	7.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#869CD0

Deuteranopia (green-blind)

#7690CD

Tritanopia (blue-blind)

#00A8AD

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #579cce;
/* rgb */ color: rgb(87, 156, 206);
/* oklch */ color: oklch(66.8% 0.102 241.9);

Tailwind

colors: {
  custom: {
    50: '#8fb9dd',
    500: '#579cce',
    950: '#000000',
  },
}

SCSS

$custom: #579cce;
$custom-light: #8fb9dd;
$custom-dark: #000000;

JSON

{
  "hex": "#579cce",
  "rgb": {
    "r": 87,
    "g": 156,
    "b": 206
  },
  "hsl": {
    "h": 205.21,
    "s": 54.839,
    "l": 57.451
  },
  "oklch": {
    "l": 0.66796,
    "c": 0.10229,
    "h": 241.9
  },
  "luminance": 0.30259
}

Semantic roles & 50–950 ramp

primary

#579CCE

secondary

#D8BDA8

accent

#884ADE

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #579CCE

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

Preview Lab → · Contrast checker → · Palette generator →