#559BB2#559BB2

#559BB2 is a light, moderate cyan. Relative luminance 0.286; OKLCH L 65.3% C 0.078 H 221.5°. Best body text is #000000 at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#559BB2
RGB	rgb(85, 155, 178)
HSL	hsl(195, 38%, 52%)
HSV	hsv(195, 52%, 70%)
CMYK	cmyk(52.2%, 12.9%, 0%, 30.2%)
CIE-LAB	lab(60.41, -15.55, -18.74)
CIE-LCH	lch(60.41, 24.36, 230.32°)
OKLab	oklab(65.25% -0.0586 -0.0519)
OKLCH	oklch(65.25% 0.078 221.5)
XYZ	xyz(23.5005, 28.5863, 46.3901)
Luminance	0.2859 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559BB2 #B26C55

analogous

#55B29B #559BB2 #556DB2

triadic

#559BB2 #B2559B #9BB255

tetradic

#559BB2 #9B55B2 #B26C55 #6DB255

square

#559BB2 #9B55B2 #B26C55 #6DB255

split-complementary

#559BB2 #B2556D #B29B55

monochromatic

#2C5461 #3F788B #559BB2 #7FB4C5 #A9CDD8

Accessibility & contrast

On white

3.13

#559BB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.72

#559BB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559BB2

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559BB2	#FFFFFF	#000000	##000000
##559BB2	1.00	3.13	6.72	6.72
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.72	21.00	1.00	1.00
##000000	6.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D98B3

Deuteranopia (green-blind)

#7F8DB2

Tritanopia (blue-blind)

#18A2A2

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #559bb2;
/* rgb */ color: rgb(85, 155, 178);
/* oklch */ color: oklch(65.3% 0.078 221.5);

Tailwind

colors: {
  custom: {
    50: '#8cb8c9',
    500: '#559bb2',
    950: '#000000',
  },
}

SCSS

$custom: #559bb2;
$custom-light: #8cb8c9;
$custom-dark: #000000;

JSON

{
  "hex": "#559bb2",
  "rgb": {
    "r": 85,
    "g": 155,
    "b": 178
  },
  "hsl": {
    "h": 194.839,
    "s": 37.652,
    "l": 51.569
  },
  "oklch": {
    "l": 0.65254,
    "c": 0.07831,
    "h": 221.5
  },
  "luminance": 0.28588
}

Semantic roles & 50–950 ramp

primary

#559BB2

secondary

#C6A79D

accent

#775ACE

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #559BB2

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

Preview Lab → · Contrast checker → · Palette generator →