#559FAF#559FAF

#559FAF is a light, moderate cyan. Relative luminance 0.298; OKLCH L 66.1% C 0.077 H 213.4°. Best body text is #000000 at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#559FAF
RGB	rgb(85, 159, 175)
HSL	hsl(191, 36%, 51%)
HSV	hsv(191, 51%, 69%)
CMYK	cmyk(51.4%, 9.1%, 0%, 31.4%)
CIE-LAB	lab(61.50, -18.55, -15.41)
CIE-LCH	lch(61.50, 24.11, 219.71°)
OKLab	oklab(66.09% -0.0645 -0.0426)
OKLCH	oklch(66.09% 0.077 213.4)
XYZ	xyz(23.8793, 29.8206, 45.0467)
Luminance	0.2982 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559FAF #AF6555

analogous

#55AF92 #559FAF #5572AF

triadic

#559FAF #AF559F #9FAF55

tetradic

#559FAF #9255AF #AF6555 #72AF55

square

#559FAF #9255AF #AF6555 #72AF55

split-complementary

#559FAF #AF5572 #AF9255

monochromatic

#2C555E #407A87 #559FAF #7FB6C3 #A8CED6

Accessibility & contrast

On white

3.02

#559FAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.96

#559FAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559FAF

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559FAF	#FFFFFF	#000000	##000000
##559FAF	1.00	3.02	6.96	6.96
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.96	21.00	1.00	1.00
##000000	6.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#939BB0

Deuteranopia (green-blind)

#8590AF

Tritanopia (blue-blind)

#1BA6A4

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #559faf;
/* rgb */ color: rgb(85, 159, 175);
/* oklch */ color: oklch(66.1% 0.077 213.4);

Tailwind

colors: {
  custom: {
    50: '#8cbbc6',
    500: '#559faf',
    950: '#000000',
  },
}

SCSS

$custom: #559faf;
$custom-light: #8cbbc6;
$custom-dark: #000000;

JSON

{
  "hex": "#559faf",
  "rgb": {
    "r": 85,
    "g": 159,
    "b": 175
  },
  "hsl": {
    "h": 190.667,
    "s": 36,
    "l": 50.98
  },
  "oklch": {
    "l": 0.66087,
    "c": 0.07728,
    "h": 213.4
  },
  "luminance": 0.29823
}

Semantic roles & 50–950 ramp

primary

#559FAF

secondary

#C4A39C

accent

#705CCC

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1213

muted

#7D8182

Preview Lab

Preview with #559FAF

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

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