#579DCF#579DCF

#579DCF is a light, moderate cyan. Relative luminance 0.306; OKLCH L 67.1% C 0.103 H 241.6°. Best body text is #000000 at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#579DCF
RGB	rgb(87, 157, 207)
HSL	hsl(205, 56%, 58%)
HSV	hsv(205, 58%, 81%)
CMYK	cmyk(58%, 24.2%, 0%, 18.8%)
CIE-LAB	lab(62.20, -7.41, -32.26)
CIE-LCH	lch(62.20, 33.10, 257.06°)
OKLab	oklab(67.07% -0.0489 -0.0904)
OKLCH	oklch(67.07% 0.103 241.6)
XYZ	xyz(27.2458, 30.6427, 63.4982)
Luminance	0.3065 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579DCF #CF8957

analogous

#57CFC5 #579DCF #5761CF

triadic

#579DCF #CF579D #9DCF57

tetradic

#579DCF #C557CF #CF8957 #61CF57

square

#579DCF #C557CF #CF8957 #61CF57

split-complementary

#579DCF #CF5761 #CFC557

monochromatic

#265E85 #347FB5 #579DCF #87B9DD #B6D5EA

Accessibility & contrast

On white

2.95

#579DCF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.13

#579DCF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579DCF

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579DCF	#FFFFFF	#000000	##000000
##579DCF	1.00	2.95	7.13	7.13
#FFFFFF	2.95	1.00	21.00	21.00
#000000	7.13	21.00	1.00	1.00
##000000	7.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#879DD1

Deuteranopia (green-blind)

#7791CE

Tritanopia (blue-blind)

#00A9AE

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #579dcf;
/* rgb */ color: rgb(87, 157, 207);
/* oklch */ color: oklch(67.1% 0.103 241.6);

Tailwind

colors: {
  custom: {
    50: '#90b9de',
    500: '#579dcf',
    950: '#000000',
  },
}

SCSS

$custom: #579dcf;
$custom-light: #90b9de;
$custom-dark: #000000;

JSON

{
  "hex": "#579dcf",
  "rgb": {
    "r": 87,
    "g": 157,
    "b": 207
  },
  "hsl": {
    "h": 205,
    "s": 55.556,
    "l": 57.647
  },
  "oklch": {
    "l": 0.67071,
    "c": 0.10277,
    "h": 241.6
  },
  "luminance": 0.30645
}

Semantic roles & 50–950 ramp

primary

#579DCF

secondary

#D9BDA9

accent

#8749DF

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #579DCF

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

Preview Lab → · Contrast checker → · Palette generator →