#579FD5#579FD5

#579FD5 is a light, moderate cyan. Relative luminance 0.316; OKLCH L 67.8% C 0.108 H 243.0°. Best body text is #000000 at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#579FD5
RGB	rgb(87, 159, 213)
HSL	hsl(206, 60%, 59%)
HSV	hsv(206, 59%, 84%)
CMYK	cmyk(59.2%, 25.4%, 0%, 16.5%)
CIE-LAB	lab(63.03, -6.64, -34.31)
CIE-LCH	lch(63.03, 34.95, 259.05°)
OKLab	oklab(67.81% -0.0491 -0.0963)
OKLCH	oklch(67.81% 0.108 243)
XYZ	xyz(28.3344, 31.6240, 67.5487)
Luminance	0.3163 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579FD5 #D58D57

analogous

#57D5CC #579FD5 #5760D5

triadic

#579FD5 #D5579F #9FD557

tetradic

#579FD5 #CC57D5 #D58D57 #60D557

square

#579FD5 #CC57D5 #D58D57 #60D557

split-complementary

#579FD5 #D55760 #D5CC57

monochromatic

#24608E #3082BF #579FD5 #88BBE1 #B9D7ED

Accessibility & contrast

On white

2.87

#579FD5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.33

#579FD5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579FD5

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579FD5	#FFFFFF	#000000	##000000
##579FD5	1.00	2.87	7.33	7.33
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.33	21.00	1.00	1.00
##000000	7.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#87A0D7

Deuteranopia (green-blind)

#7693D4

Tritanopia (blue-blind)

#00ACB1

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #579fd5;
/* rgb */ color: rgb(87, 159, 213);
/* oklch */ color: oklch(67.8% 0.108 243.0);

Tailwind

colors: {
  custom: {
    50: '#90bbe2',
    500: '#579fd5',
    950: '#000000',
  },
}

SCSS

$custom: #579fd5;
$custom-light: #90bbe2;
$custom-dark: #000000;

JSON

{
  "hex": "#579fd5",
  "rgb": {
    "r": 87,
    "g": 159,
    "b": 213
  },
  "hsl": {
    "h": 205.714,
    "s": 60,
    "l": 58.824
  },
  "oklch": {
    "l": 0.67807,
    "c": 0.10811,
    "h": 243
  },
  "luminance": 0.31627
}

Semantic roles & 50–950 ramp

primary

#579FD5

secondary

#DDC0AB

accent

#8945E3

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #579FD5

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

Preview Lab → · Contrast checker → · Palette generator →