#579BDB#579BDB

#579BDB is a light, moderate cyan. Relative luminance 0.306; OKLCH L 67.2% C 0.118 H 248.7°. Best body text is #000000 at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#579BDB
RGB	rgb(87, 155, 219)
HSL	hsl(209, 65%, 60%)
HSV	hsv(209, 60%, 86%)
CMYK	cmyk(60.3%, 29.2%, 0%, 14.1%)
CIE-LAB	lab(62.15, -2.46, -39.02)
CIE-LCH	lch(62.15, 39.10, 266.39°)
OKLab	oklab(67.2% -0.043 -0.1099)
OKLCH	oklch(67.2% 0.118 248.7)
XYZ	xyz(28.4333, 30.5808, 71.4084)
Luminance	0.3058 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579BDB #DB9757

analogous

#57DBD9 #579BDB #5759DB

triadic

#579BDB #DB579B #9BDB57

tetradic

#579BDB #D957DB #DB9757 #59DB57

square

#579BDB #D957DB #DB9757 #59DB57

split-complementary

#579BDB #DB5759 #DBD957

monochromatic

#205E97 #2B7DCA #579BDB #89B9E6 #BCD7F1

Accessibility & contrast

On white

2.95

#579BDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.12

#579BDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579BDB

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579BDB	#FFFFFF	#000000	##000000
##579BDB	1.00	2.95	7.12	7.12
#FFFFFF	2.95	1.00	21.00	21.00
#000000	7.12	21.00	1.00	1.00
##000000	7.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#809DDE

Deuteranopia (green-blind)

#6E90DA

Tritanopia (blue-blind)

#00AAB1

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #579bdb;
/* rgb */ color: rgb(87, 155, 219);
/* oklch */ color: oklch(67.2% 0.118 248.7);

Tailwind

colors: {
  custom: {
    50: '#91b8e6',
    500: '#579bdb',
    950: '#000000',
  },
}

SCSS

$custom: #579bdb;
$custom-light: #91b8e6;
$custom-dark: #000000;

JSON

{
  "hex": "#579bdb",
  "rgb": {
    "r": 87,
    "g": 155,
    "b": 219
  },
  "hsl": {
    "h": 209.091,
    "s": 64.706,
    "l": 60
  },
  "oklch": {
    "l": 0.672,
    "c": 0.11805,
    "h": 248.7
  },
  "luminance": 0.30583
}

Semantic roles & 50–950 ramp

primary

#579BDB

secondary

#E0C6AD

accent

#9140E8

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #579BDB

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

Preview Lab → · Contrast checker → · Palette generator →