#559FB3#559FB3

#559FB3 is a light, moderate cyan. Relative luminance 0.300; OKLCH L 66.2% C 0.079 H 217.5°. Best body text is #000000 at 7.00:1 contrast (WCAG AA passes).

Color values

HEX	#559FB3
RGB	rgb(85, 159, 179)
HSL	hsl(193, 38%, 52%)
HSV	hsv(193, 53%, 70%)
CMYK	cmyk(52.5%, 11.2%, 0%, 29.8%)
CIE-LAB	lab(61.64, -17.40, -17.45)
CIE-LCH	lch(61.64, 24.64, 225.09°)
OKLab	oklab(66.24% -0.0629 -0.0483)
OKLCH	oklch(66.24% 0.079 217.5)
XYZ	xyz(24.2780, 29.9801, 47.1464)
Luminance	0.2998 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559FB3 #B36955

analogous

#55B398 #559FB3 #5570B3

triadic

#559FB3 #B3559F #9FB355

tetradic

#559FB3 #9855B3 #B36955 #70B355

square

#559FB3 #9855B3 #B36955 #70B355

split-complementary

#559FB3 #B35570 #B39855

monochromatic

#2C5662 #3F7C8C #559FB3 #7FB7C6 #AACFD9

Accessibility & contrast

On white

3.00

#559FB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

7.00

#559FB3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559FB3

7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559FB3	#FFFFFF	#000000	##000000
##559FB3	1.00	3.00	7.00	7.00
#FFFFFF	3.00	1.00	21.00	21.00
#000000	7.00	21.00	1.00	1.00
##000000	7.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#929BB4

Deuteranopia (green-blind)

#8490B3

Tritanopia (blue-blind)

#14A6A5

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #559fb3;
/* rgb */ color: rgb(85, 159, 179);
/* oklch */ color: oklch(66.2% 0.079 217.5);

Tailwind

colors: {
  custom: {
    50: '#8cbbc9',
    500: '#559fb3',
    950: '#000000',
  },
}

SCSS

$custom: #559fb3;
$custom-light: #8cbbc9;
$custom-dark: #000000;

JSON

{
  "hex": "#559fb3",
  "rgb": {
    "r": 85,
    "g": 159,
    "b": 179
  },
  "hsl": {
    "h": 192.766,
    "s": 38.211,
    "l": 51.765
  },
  "oklch": {
    "l": 0.66243,
    "c": 0.07929,
    "h": 217.5
  },
  "luminance": 0.29982
}

Semantic roles & 50–950 ramp

primary

#559FB3

secondary

#C7A69D

accent

#725ACE

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0D1213

muted

#7D8182

Preview Lab

Preview with #559FB3

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

Preview Lab → · Contrast checker → · Palette generator →