#579DCD#579DCD

#579DCD is a light, moderate cyan. Relative luminance 0.305; OKLCH L 67.0% C 0.101 H 240.5°. Best body text is #000000 at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#579DCD
RGB	rgb(87, 157, 205)
HSL	hsl(204, 54%, 57%)
HSV	hsv(204, 58%, 80%)
CMYK	cmyk(57.6%, 23.4%, 0%, 19.6%)
CIE-LAB	lab(62.12, -8.04, -31.27)
CIE-LCH	lch(62.12, 32.29, 255.59°)
OKLab	oklab(66.98% -0.0496 -0.0876)
OKLCH	oklch(66.98% 0.101 240.5)
XYZ	xyz(27.0028, 30.5455, 62.2186)
Luminance	0.3055 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579DCD #CD8757

analogous

#57CDC2 #579DCD #5762CD

triadic

#579DCD #CD579D #9DCD57

tetradic

#579DCD #C257CD #CD8757 #62CD57

square

#579DCD #C257CD #CD8757 #62CD57

split-complementary

#579DCD #CD5762 #CDC257

monochromatic

#275D83 #357FB2 #579DCD #86B9DB #B5D4E9

Accessibility & contrast

On white

2.95

#579DCD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.11

#579DCD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579DCD

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579DCD	#FFFFFF	#000000	##000000
##579DCD	1.00	2.95	7.11	7.11
#FFFFFF	2.95	1.00	21.00	21.00
#000000	7.11	21.00	1.00	1.00
##000000	7.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#889DCF

Deuteranopia (green-blind)

#7791CC

Tritanopia (blue-blind)

#00A9AD

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #579dcd;
/* rgb */ color: rgb(87, 157, 205);
/* oklch */ color: oklch(67.0% 0.101 240.5);

Tailwind

colors: {
  custom: {
    50: '#8fb9dc',
    500: '#579dcd',
    950: '#000000',
  },
}

SCSS

$custom: #579dcd;
$custom-light: #8fb9dc;
$custom-dark: #000000;

JSON

{
  "hex": "#579dcd",
  "rgb": {
    "r": 87,
    "g": 157,
    "b": 205
  },
  "hsl": {
    "h": 204.407,
    "s": 54.128,
    "l": 57.255
  },
  "oklch": {
    "l": 0.66978,
    "c": 0.10061,
    "h": 240.5
  },
  "luminance": 0.30548
}

Semantic roles & 50–950 ramp

primary

#579DCD

secondary

#D8BBA8

accent

#864ADD

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #579DCD

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

Preview Lab → · Contrast checker → · Palette generator →