#579DDB#579DDB

#579DDB is a light, moderate cyan. Relative luminance 0.313; OKLCH L 67.6% C 0.116 H 247.2°. Best body text is #000000 at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#579DDB
RGB	rgb(87, 157, 219)
HSL	hsl(208, 65%, 60%)
HSV	hsv(208, 60%, 86%)
CMYK	cmyk(60.3%, 28.3%, 0%, 14.1%)
CIE-LAB	lab(62.72, -3.60, -38.13)
CIE-LCH	lch(62.72, 38.30, 264.61°)
OKLab	oklab(67.65% -0.0451 -0.1074)
OKLCH	oklch(67.65% 0.116 247.2)
XYZ	xyz(28.7689, 31.2520, 71.5202)
Luminance	0.3125 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579DDB #DB9557

analogous

#57DBD7 #579DDB #575BDB

triadic

#579DDB #DB579D #9DDB57

tetradic

#579DDB #D757DB #DB9557 #5BDB57

square

#579DDB #D757DB #DB9557 #5BDB57

split-complementary

#579DDB #DB575B #DBD757

monochromatic

#205F97 #2B7FCA #579DDB #89BAE6 #BCD8F1

Accessibility & contrast

On white

2.90

#579DDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.25

#579DDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579DDB

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579DDB	#FFFFFF	#000000	##000000
##579DDB	1.00	2.90	7.25	7.25
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.25	21.00	1.00	1.00
##000000	7.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#829FDE

Deuteranopia (green-blind)

#7192DA

Tritanopia (blue-blind)

#00ACB3

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #579ddb;
/* rgb */ color: rgb(87, 157, 219);
/* oklch */ color: oklch(67.6% 0.116 247.2);

Tailwind

colors: {
  custom: {
    50: '#91b9e6',
    500: '#579ddb',
    950: '#000000',
  },
}

SCSS

$custom: #579ddb;
$custom-light: #91b9e6;
$custom-dark: #000000;

JSON

{
  "hex": "#579ddb",
  "rgb": {
    "r": 87,
    "g": 157,
    "b": 219
  },
  "hsl": {
    "h": 208.182,
    "s": 64.706,
    "l": 60
  },
  "oklch": {
    "l": 0.67647,
    "c": 0.11645,
    "h": 247.2
  },
  "luminance": 0.31255
}

Semantic roles & 50–950 ramp

primary

#579DDB

secondary

#E0C5AD

accent

#8F40E8

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #579DDB

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

Preview Lab → · Contrast checker → · Palette generator →