#559FB0#559FB0

#559FB0 is a light, moderate cyan. Relative luminance 0.299; OKLCH L 66.1% C 0.078 H 214.5°. Best body text is #000000 at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#559FB0
RGB	rgb(85, 159, 176)
HSL	hsl(191, 37%, 51%)
HSV	hsv(191, 52%, 69%)
CMYK	cmyk(51.7%, 9.7%, 0%, 31%)
CIE-LAB	lab(61.53, -18.26, -15.92)
CIE-LCH	lch(61.53, 24.23, 221.08°)
OKLab	oklab(66.13% -0.0641 -0.044)
OKLCH	oklch(66.13% 0.078 214.5)
XYZ	xyz(23.9779, 29.8601, 45.5659)
Luminance	0.2986 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559FB0 #B06655

analogous

#55B093 #559FB0 #5571B0

triadic

#559FB0 #B0559F #9FB055

tetradic

#559FB0 #9355B0 #B06655 #71B055

square

#559FB0 #9355B0 #B06655 #71B055

split-complementary

#559FB0 #B05571 #B09355

monochromatic

#2C555F #3F7B88 #559FB0 #7FB7C3 #A9CED7

Accessibility & contrast

On white

3.01

#559FB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.97

#559FB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559FB0

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559FB0	#FFFFFF	#000000	##000000
##559FB0	1.00	3.01	6.97	6.97
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.97	21.00	1.00	1.00
##000000	6.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#939BB1

Deuteranopia (green-blind)

#8590B0

Tritanopia (blue-blind)

#19A6A4

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #559fb0;
/* rgb */ color: rgb(85, 159, 176);
/* oklch */ color: oklch(66.1% 0.078 214.5);

Tailwind

colors: {
  custom: {
    50: '#8cbbc7',
    500: '#559fb0',
    950: '#000000',
  },
}

SCSS

$custom: #559fb0;
$custom-light: #8cbbc7;
$custom-dark: #000000;

JSON

{
  "hex": "#559fb0",
  "rgb": {
    "r": 85,
    "g": 159,
    "b": 176
  },
  "hsl": {
    "h": 191.209,
    "s": 36.546,
    "l": 51.176
  },
  "oklch": {
    "l": 0.66125,
    "c": 0.07774,
    "h": 214.5
  },
  "luminance": 0.29862
}

Semantic roles & 50–950 ramp

primary

#559FB0

secondary

#C5A49C

accent

#705BCD

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0D1213

muted

#7D8182

Preview Lab

Preview with #559FB0

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

Preview Lab → · Contrast checker → · Palette generator →