#559BB5#559BB5

#559BB5 is a light, moderate cyan. Relative luminance 0.287; OKLCH L 65.4% C 0.080 H 224.4°. Best body text is #000000 at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#559BB5
RGB	rgb(85, 155, 181)
HSL	hsl(196, 39%, 52%)
HSV	hsv(196, 53%, 71%)
CMYK	cmyk(53%, 14.4%, 0%, 29%)
CIE-LAB	lab(60.52, -14.67, -20.27)
CIE-LCH	lch(60.52, 25.02, 234.11°)
OKLab	oklab(65.38% -0.0575 -0.0562)
OKLCH	oklch(65.38% 0.08 224.4)
XYZ	xyz(23.8050, 28.7081, 47.9939)
Luminance	0.2871 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559BB5 #B56F55

analogous

#55B59F #559BB5 #556BB5

triadic

#559BB5 #B5559B #9BB555

tetradic

#559BB5 #9F55B5 #B56F55 #6BB555

square

#559BB5 #9F55B5 #B56F55 #6BB555

split-complementary

#559BB5 #B5556B #B59F55

monochromatic

#2C5564 #3E798F #559BB5 #80B4C8 #AACDDA

Accessibility & contrast

On white

3.11

#559BB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.74

#559BB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559BB5

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559BB5	#FFFFFF	#000000	##000000
##559BB5	1.00	3.11	6.74	6.74
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.74	21.00	1.00	1.00
##000000	6.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C98B6

Deuteranopia (green-blind)

#7E8DB5

Tritanopia (blue-blind)

#13A3A3

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #559bb5;
/* rgb */ color: rgb(85, 155, 181);
/* oklch */ color: oklch(65.4% 0.080 224.4);

Tailwind

colors: {
  custom: {
    50: '#8cb8cb',
    500: '#559bb5',
    950: '#000000',
  },
}

SCSS

$custom: #559bb5;
$custom-light: #8cb8cb;
$custom-dark: #000000;

JSON

{
  "hex": "#559bb5",
  "rgb": {
    "r": 85,
    "g": 155,
    "b": 181
  },
  "hsl": {
    "h": 196.25,
    "s": 39.344,
    "l": 52.157
  },
  "oklch": {
    "l": 0.65377,
    "c": 0.0804,
    "h": 224.4
  },
  "luminance": 0.2871
}

Semantic roles & 50–950 ramp

primary

#559BB5

secondary

#C8A99E

accent

#7959CF

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0D1113

muted

#7D8082

Preview Lab

Preview with #559BB5

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

Preview Lab → · Contrast checker → · Palette generator →