#579ACB#579ACB

#579ACB is a light, moderate cyan. Relative luminance 0.294; OKLCH L 66.2% C 0.100 H 242.1°. Best body text is #000000 at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#579ACB
RGB	rgb(87, 154, 203)
HSL	hsl(205, 53%, 57%)
HSV	hsv(205, 57%, 80%)
CMYK	cmyk(57.1%, 24.1%, 0%, 20.4%)
CIE-LAB	lab(61.17, -6.99, -31.62)
CIE-LCH	lch(61.17, 32.39, 257.54°)
OKLab	oklab(66.2% -0.0469 -0.0886)
OKLCH	oklch(66.2% 0.1 242.1)
XYZ	xyz(26.2616, 29.4469, 60.7882)
Luminance	0.2945 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579ACB #CB8857

analogous

#57CBC2 #579ACB #5760CB

triadic

#579ACB #CB579A #9ACB57

tetradic

#579ACB #C257CB #CB8857 #60CB57

square

#579ACB #C257CB #CB8857 #60CB57

split-complementary

#579ACB #CB5760 #CBC257

monochromatic

#285B80 #367CAF #579ACB #86B6D9 #B4D2E8

Accessibility & contrast

On white

3.05

#579ACB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.89

#579ACB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #579ACB

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579ACB	#FFFFFF	#000000	##000000
##579ACB	1.00	3.05	6.89	6.89
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.89	21.00	1.00	1.00
##000000	6.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#849ACD

Deuteranopia (green-blind)

#758ECA

Tritanopia (blue-blind)

#00A6AB

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #579acb;
/* rgb */ color: rgb(87, 154, 203);
/* oklch */ color: oklch(66.2% 0.100 242.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#579acb",
  "rgb": {
    "r": 87,
    "g": 154,
    "b": 203
  },
  "hsl": {
    "h": 205.345,
    "s": 52.727,
    "l": 56.863
  },
  "oklch": {
    "l": 0.66201,
    "c": 0.10024,
    "h": 242.1
  },
  "luminance": 0.29449
}

Semantic roles & 50–950 ramp

primary

#579ACB

secondary

#D7BBA7

accent

#894CDC

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #579ACB

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

Preview Lab → · Contrast checker → · Palette generator →