#559BBD#559BBD

#559BBD is a light, moderate cyan. Relative luminance 0.290; OKLCH L 65.7% C 0.087 H 231.2°. Best body text is #000000 at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#559BBD
RGB	rgb(85, 155, 189)
HSL	hsl(200, 44%, 54%)
HSV	hsv(200, 55%, 74%)
CMYK	cmyk(55%, 18%, 0%, 25.9%)
CIE-LAB	lab(60.82, -12.27, -24.32)
CIE-LCH	lch(60.82, 27.24, 243.22°)
OKLab	oklab(65.71% -0.0544 -0.0677)
OKLCH	oklch(65.71% 0.087 231.2)
XYZ	xyz(24.6495, 29.0459, 52.4417)
Luminance	0.2905 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559BBD #BD7755

analogous

#55BDAB #559BBD #5567BD

triadic

#559BBD #BD559B #9BBD55

tetradic

#559BBD #AB55BD #BD7755 #67BD55

square

#559BBD #AB55BD #BD7755 #67BD55

split-complementary

#559BBD #BD5567 #BDAB55

monochromatic

#2A576D #3C7B99 #559BBD #81B5CE #ADCFDF

Accessibility & contrast

On white

3.08

#559BBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.81

#559BBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559BBD

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559BBD	#FFFFFF	#000000	##000000
##559BBD	1.00	3.08	6.81	6.81
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.81	21.00	1.00	1.00
##000000	6.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A99BF

Deuteranopia (green-blind)

#7B8EBD

Tritanopia (blue-blind)

#00A4A6

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #559bbd;
/* rgb */ color: rgb(85, 155, 189);
/* oklch */ color: oklch(65.7% 0.087 231.2);

Tailwind

colors: {
  custom: {
    50: '#8db8d1',
    500: '#559bbd',
    950: '#000000',
  },
}

SCSS

$custom: #559bbd;
$custom-light: #8db8d1;
$custom-dark: #000000;

JSON

{
  "hex": "#559bbd",
  "rgb": {
    "r": 85,
    "g": 155,
    "b": 189
  },
  "hsl": {
    "h": 199.615,
    "s": 44.068,
    "l": 53.725
  },
  "oklch": {
    "l": 0.65714,
    "c": 0.08687,
    "h": 231.2
  },
  "luminance": 0.29048
}

Semantic roles & 50–950 ramp

primary

#559BBD

secondary

#CDAFA1

accent

#7E54D4

background

#F9FBFC

surface

#F1F6F9

border

#CBD0D2

text

#0D1114

muted

#7E8082

Preview Lab

Preview with #559BBD

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

Preview Lab → · Contrast checker → · Palette generator →