#579FAF#579FAF

#579FAF is a light, moderate cyan. Relative luminance 0.299; OKLCH L 66.2% C 0.076 H 213.8°. Best body text is #000000 at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#579FAF
RGB	rgb(87, 159, 175)
HSL	hsl(191, 35%, 51%)
HSV	hsv(191, 50%, 69%)
CMYK	cmyk(50.3%, 9.1%, 0%, 31.4%)
CIE-LAB	lab(61.58, -18.09, -15.28)
CIE-LCH	lch(61.58, 23.68, 220.17°)
OKLab	oklab(66.18% -0.063 -0.0422)
OKLCH	oklch(66.18% 0.076 213.8)
XYZ	xyz(24.0635, 29.9156, 45.0553)
Luminance	0.2992 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579FAF #AF6757

analogous

#57AF93 #579FAF #5773AF

triadic

#579FAF #AF579F #9FAF57

tetradic

#579FAF #9357AF #AF6757 #73AF57

square

#579FAF #9357AF #AF6757 #73AF57

split-complementary

#579FAF #AF5773 #AF9357

monochromatic

#2D565F #417B88 #579FAF #80B7C3 #AACED6

Accessibility & contrast

On white

3.01

#579FAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.98

#579FAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #579FAF

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579FAF	#FFFFFF	#000000	##000000
##579FAF	1.00	3.01	6.98	6.98
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.98	21.00	1.00	1.00
##000000	6.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#939BB0

Deuteranopia (green-blind)

#8590AF

Tritanopia (blue-blind)

#23A5A4

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #579faf;
/* rgb */ color: rgb(87, 159, 175);
/* oklch */ color: oklch(66.2% 0.076 213.8);

Tailwind

colors: {
  custom: {
    50: '#8dbbc6',
    500: '#579faf',
    950: '#000000',
  },
}

SCSS

$custom: #579faf;
$custom-light: #8dbbc6;
$custom-dark: #000000;

JSON

{
  "hex": "#579faf",
  "rgb": {
    "r": 87,
    "g": 159,
    "b": 175
  },
  "hsl": {
    "h": 190.909,
    "s": 35.484,
    "l": 51.373
  },
  "oklch": {
    "l": 0.66175,
    "c": 0.07582,
    "h": 213.8
  },
  "luminance": 0.29918
}

Semantic roles & 50–950 ramp

primary

#579FAF

secondary

#C4A59E

accent

#715CCC

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0D1213

muted

#7D8182

Preview Lab

Preview with #579FAF

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

Preview Lab → · Contrast checker → · Palette generator →