#579DCC#579DCC

#579DCC is a light, moderate cyan. Relative luminance 0.305; OKLCH L 66.9% C 0.100 H 239.9°. Best body text is #000000 at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#579DCC
RGB	rgb(87, 157, 204)
HSL	hsl(204, 53%, 57%)
HSV	hsv(204, 57%, 80%)
CMYK	cmyk(57.4%, 23%, 0%, 20%)
CIE-LAB	lab(62.08, -8.35, -30.78)
CIE-LCH	lch(62.08, 31.89, 254.82°)
OKLab	oklab(66.93% -0.0499 -0.0861)
OKLCH	oklch(66.93% 0.1 239.9)
XYZ	xyz(26.8825, 30.4974, 61.5849)
Luminance	0.3050 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579DCC #CC8657

analogous

#57CCC1 #579DCC #5762CC

triadic

#579DCC #CC579D #9DCC57

tetradic

#579DCC #C157CC #CC8657 #62CC57

square

#579DCC #C157CC #CC8657 #62CC57

split-complementary

#579DCC #CC5762 #CCC157

monochromatic

#275D81 #367FB0 #579DCC #86B8DA #B5D4E9

Accessibility & contrast

On white

2.96

#579DCC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.10

#579DCC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579DCC

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579DCC	#FFFFFF	#000000	##000000
##579DCC	1.00	2.96	7.10	7.10
#FFFFFF	2.96	1.00	21.00	21.00
#000000	7.10	21.00	1.00	1.00
##000000	7.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#889DCE

Deuteranopia (green-blind)

#7891CB

Tritanopia (blue-blind)

#00A9AD

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #579dcc;
/* rgb */ color: rgb(87, 157, 204);
/* oklch */ color: oklch(66.9% 0.100 239.9);

Tailwind

colors: {
  custom: {
    50: '#8fb9db',
    500: '#579dcc',
    950: '#000000',
  },
}

SCSS

$custom: #579dcc;
$custom-light: #8fb9db;
$custom-dark: #000000;

JSON

{
  "hex": "#579dcc",
  "rgb": {
    "r": 87,
    "g": 157,
    "b": 204
  },
  "hsl": {
    "h": 204.103,
    "s": 53.425,
    "l": 57.059
  },
  "oklch": {
    "l": 0.66932,
    "c": 0.09955,
    "h": 239.9
  },
  "luminance": 0.305
}

Semantic roles & 50–950 ramp

primary

#579DCC

secondary

#D7BBA8

accent

#864BDD

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #579DCC

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

Preview Lab → · Contrast checker → · Palette generator →