#579FD1#579FD1

#579FD1 is a light, moderate cyan. Relative luminance 0.314; OKLCH L 67.6% C 0.104 H 240.9°. Best body text is #000000 at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#579FD1
RGB	rgb(87, 159, 209)
HSL	hsl(205, 57%, 58%)
HSV	hsv(205, 58%, 82%)
CMYK	cmyk(58.4%, 23.9%, 0%, 18%)
CIE-LAB	lab(62.86, -7.90, -32.35)
CIE-LCH	lch(62.86, 33.30, 256.28°)
OKLab	oklab(67.62% -0.0504 -0.0907)
OKLCH	oklch(67.62% 0.104 240.9)
XYZ	xyz(27.8330, 31.4234, 64.9078)
Luminance	0.3143 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579FD1 #D18957

analogous

#57D1C6 #579FD1 #5762D1

triadic

#579FD1 #D1579F #9FD157

tetradic

#579FD1 #C657D1 #D18957 #62D157

square

#579FD1 #C657D1 #D18957 #62D157

split-complementary

#579FD1 #D15762 #D1C657

monochromatic

#256088 #3281B8 #579FD1 #87BADE #B7D6EB

Accessibility & contrast

On white

2.88

#579FD1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.29

#579FD1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579FD1

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579FD1	#FFFFFF	#000000	##000000
##579FD1	1.00	2.88	7.29	7.29
#FFFFFF	2.88	1.00	21.00	21.00
#000000	7.29	21.00	1.00	1.00
##000000	7.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#899FD3

Deuteranopia (green-blind)

#7893D0

Tritanopia (blue-blind)

#00ABB0

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #579fd1;
/* rgb */ color: rgb(87, 159, 209);
/* oklch */ color: oklch(67.6% 0.104 240.9);

Tailwind

colors: {
  custom: {
    50: '#90bbdf',
    500: '#579fd1',
    950: '#000000',
  },
}

SCSS

$custom: #579fd1;
$custom-light: #90bbdf;
$custom-dark: #000000;

JSON

{
  "hex": "#579fd1",
  "rgb": {
    "r": 87,
    "g": 159,
    "b": 209
  },
  "hsl": {
    "h": 204.59,
    "s": 57.009,
    "l": 58.039
  },
  "oklch": {
    "l": 0.67619,
    "c": 0.10374,
    "h": 240.9
  },
  "luminance": 0.31426
}

Semantic roles & 50–950 ramp

primary

#579FD1

secondary

#DABEAA

accent

#8648E0

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #579FD1

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

Preview Lab → · Contrast checker → · Palette generator →