#579DD1#579DD1

#579DD1 is a light, moderate cyan. Relative luminance 0.307; OKLCH L 67.2% C 0.105 H 242.6°. Best body text is #000000 at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#579DD1
RGB	rgb(87, 157, 209)
HSL	hsl(206, 57%, 58%)
HSV	hsv(206, 58%, 82%)
CMYK	cmyk(58.4%, 24.9%, 0%, 18%)
CIE-LAB	lab(62.29, -6.78, -33.24)
CIE-LCH	lch(62.29, 33.93, 258.47°)
OKLab	oklab(67.16% -0.0482 -0.0932)
OKLCH	oklch(67.16% 0.105 242.6)
XYZ	xyz(27.4918, 30.7411, 64.7941)
Luminance	0.3074 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579DD1 #D18B57

analogous

#57D1C8 #579DD1 #5760D1

triadic

#579DD1 #D1579D #9DD157

tetradic

#579DD1 #C857D1 #D18B57 #60D157

square

#579DD1 #C857D1 #D18B57 #60D157

split-complementary

#579DD1 #D15760 #D1C857

monochromatic

#255E88 #327FB8 #579DD1 #87B9DE #B7D5EB

Accessibility & contrast

On white

2.94

#579DD1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.15

#579DD1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579DD1

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579DD1	#FFFFFF	#000000	##000000
##579DD1	1.00	2.94	7.15	7.15
#FFFFFF	2.94	1.00	21.00	21.00
#000000	7.15	21.00	1.00	1.00
##000000	7.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#869DD3

Deuteranopia (green-blind)

#7691D0

Tritanopia (blue-blind)

#00AAAF

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #579dd1;
/* rgb */ color: rgb(87, 157, 209);
/* oklch */ color: oklch(67.2% 0.105 242.6);

Tailwind

colors: {
  custom: {
    50: '#90b9df',
    500: '#579dd1',
    950: '#000000',
  },
}

SCSS

$custom: #579dd1;
$custom-light: #90b9df;
$custom-dark: #000000;

JSON

{
  "hex": "#579dd1",
  "rgb": {
    "r": 87,
    "g": 157,
    "b": 209
  },
  "hsl": {
    "h": 205.574,
    "s": 57.009,
    "l": 58.039
  },
  "oklch": {
    "l": 0.67164,
    "c": 0.10498,
    "h": 242.6
  },
  "luminance": 0.30744
}

Semantic roles & 50–950 ramp

primary

#579DD1

secondary

#DABEAA

accent

#8948E0

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #579DD1

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

Preview Lab → · Contrast checker → · Palette generator →