#559BB6#559BB6

#559BB6 is a light, moderate cyan. Relative luminance 0.288; OKLCH L 65.4% C 0.081 H 225.3°. Best body text is #000000 at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#559BB6
RGB	rgb(85, 155, 182)
HSL	hsl(197, 40%, 52%)
HSV	hsv(197, 53%, 71%)
CMYK	cmyk(53.3%, 14.8%, 0%, 28.6%)
CIE-LAB	lab(60.56, -14.37, -20.78)
CIE-LCH	lch(60.56, 25.27, 235.33°)
OKLab	oklab(65.42% -0.0571 -0.0577)
OKLCH	oklch(65.42% 0.081 225.3)
XYZ	xyz(23.9080, 28.7493, 48.5362)
Luminance	0.2875 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559BB6 #B67055

analogous

#55B6A1 #559BB6 #556BB6

triadic

#559BB6 #B6559B #9BB655

tetradic

#559BB6 #A155B6 #B67055 #6BB655

square

#559BB6 #A155B6 #B67055 #6BB655

split-complementary

#559BB6 #B6556B #B6A155

monochromatic

#2B5565 #3E7990 #559BB6 #80B4C8 #ABCDDB

Accessibility & contrast

On white

3.11

#559BB6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.75

#559BB6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559BB6

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559BB6	#FFFFFF	#000000	##000000
##559BB6	1.00	3.11	6.75	6.75
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.75	21.00	1.00	1.00
##000000	6.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C98B7

Deuteranopia (green-blind)

#7E8DB6

Tritanopia (blue-blind)

#10A3A4

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #559bb6;
/* rgb */ color: rgb(85, 155, 182);
/* oklch */ color: oklch(65.4% 0.081 225.3);

Tailwind

colors: {
  custom: {
    50: '#8cb8cc',
    500: '#559bb6',
    950: '#000000',
  },
}

SCSS

$custom: #559bb6;
$custom-light: #8cb8cc;
$custom-dark: #000000;

JSON

{
  "hex": "#559bb6",
  "rgb": {
    "r": 85,
    "g": 155,
    "b": 182
  },
  "hsl": {
    "h": 196.701,
    "s": 39.918,
    "l": 52.353
  },
  "oklch": {
    "l": 0.65418,
    "c": 0.08113,
    "h": 225.3
  },
  "luminance": 0.28751
}

Semantic roles & 50–950 ramp

primary

#559BB6

secondary

#C9AA9E

accent

#7958D0

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0D1113

muted

#7D8082

Preview Lab

Preview with #559BB6

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

Preview Lab → · Contrast checker → · Palette generator →