#579ACC#579ACC

#579ACC is a light, moderate cyan. Relative luminance 0.295; OKLCH L 66.2% C 0.101 H 242.6°. Best body text is #000000 at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#579ACC
RGB	rgb(87, 154, 204)
HSL	hsl(206, 53%, 57%)
HSV	hsv(206, 57%, 80%)
CMYK	cmyk(57.4%, 24.5%, 0%, 20%)
CIE-LAB	lab(61.22, -6.67, -32.12)
CIE-LCH	lch(61.22, 32.81, 258.26°)
OKLab	oklab(66.25% -0.0466 -0.09)
OKLCH	oklch(66.25% 0.101 242.6)
XYZ	xyz(26.3812, 29.4947, 61.4178)
Luminance	0.2950 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579ACC #CC8957

analogous

#57CCC4 #579ACC #5760CC

triadic

#579ACC #CC579A #9ACC57

tetradic

#579ACC #C457CC #CC8957 #60CC57

square

#579ACC #C457CC #CC8957 #60CC57

split-complementary

#579ACC #CC5760 #CCC457

monochromatic

#275B81 #367CB0 #579ACC #86B6DA #B5D2E9

Accessibility & contrast

On white

3.04

#579ACC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.90

#579ACC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #579ACC

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579ACC	#FFFFFF	#000000	##000000
##579ACC	1.00	3.04	6.90	6.90
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.90	21.00	1.00	1.00
##000000	6.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#849ACE

Deuteranopia (green-blind)

#748FCB

Tritanopia (blue-blind)

#00A6AB

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #579acc;
/* rgb */ color: rgb(87, 154, 204);
/* oklch */ color: oklch(66.2% 0.101 242.6);

Tailwind

colors: {
  custom: {
    50: '#8fb7db',
    500: '#579acc',
    950: '#000000',
  },
}

SCSS

$custom: #579acc;
$custom-light: #8fb7db;
$custom-dark: #000000;

JSON

{
  "hex": "#579acc",
  "rgb": {
    "r": 87,
    "g": 154,
    "b": 204
  },
  "hsl": {
    "h": 205.641,
    "s": 53.425,
    "l": 57.059
  },
  "oklch": {
    "l": 0.66247,
    "c": 0.10134,
    "h": 242.6
  },
  "luminance": 0.29497
}

Semantic roles & 50–950 ramp

primary

#579ACC

secondary

#D7BCA8

accent

#894BDD

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #579ACC

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

Preview Lab → · Contrast checker → · Palette generator →