#559BB3#559BB3

#559BB3 is a light, moderate cyan. Relative luminance 0.286; OKLCH L 65.3% C 0.079 H 222.5°. Best body text is #000000 at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#559BB3
RGB	rgb(85, 155, 179)
HSL	hsl(195, 38%, 52%)
HSV	hsv(195, 53%, 70%)
CMYK	cmyk(52.5%, 13.4%, 0%, 29.8%)
CIE-LAB	lab(60.45, -15.26, -19.25)
CIE-LCH	lch(60.45, 24.57, 231.60°)
OKLab	oklab(65.3% -0.0582 -0.0533)
OKLCH	oklch(65.3% 0.079 222.5)
XYZ	xyz(23.6013, 28.6266, 46.9208)
Luminance	0.2863 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559BB3 #B36D55

analogous

#55B39C #559BB3 #556CB3

triadic

#559BB3 #B3559B #9BB355

tetradic

#559BB3 #9C55B3 #B36D55 #6CB355

square

#559BB3 #9C55B3 #B36D55 #6CB355

split-complementary

#559BB3 #B3556C #B39C55

monochromatic

#2C5462 #3F788C #559BB3 #7FB4C6 #AACDD9

Accessibility & contrast

On white

3.12

#559BB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.73

#559BB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559BB3

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559BB3	#FFFFFF	#000000	##000000
##559BB3	1.00	3.12	6.73	6.73
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.73	21.00	1.00	1.00
##000000	6.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D98B4

Deuteranopia (green-blind)

#7F8DB3

Tritanopia (blue-blind)

#17A3A3

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #559bb3;
/* rgb */ color: rgb(85, 155, 179);
/* oklch */ color: oklch(65.3% 0.079 222.5);

Tailwind

colors: {
  custom: {
    50: '#8cb8c9',
    500: '#559bb3',
    950: '#000000',
  },
}

SCSS

$custom: #559bb3;
$custom-light: #8cb8c9;
$custom-dark: #000000;

JSON

{
  "hex": "#559bb3",
  "rgb": {
    "r": 85,
    "g": 155,
    "b": 179
  },
  "hsl": {
    "h": 195.319,
    "s": 38.211,
    "l": 51.765
  },
  "oklch": {
    "l": 0.65295,
    "c": 0.07898,
    "h": 222.5
  },
  "luminance": 0.28629
}

Semantic roles & 50–950 ramp

primary

#559BB3

secondary

#C7A89D

accent

#775ACE

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0D1113

muted

#7D8082

Preview Lab

Preview with #559BB3

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

Preview Lab → · Contrast checker → · Palette generator →