#559CBF#559CBF

#559CBF is a light, moderate cyan. Relative luminance 0.295; OKLCH L 66.0% C 0.088 H 231.6°. Best body text is #000000 at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#559CBF
RGB	rgb(85, 156, 191)
HSL	hsl(200, 45%, 54%)
HSV	hsv(200, 55%, 75%)
CMYK	cmyk(55.5%, 18.3%, 0%, 25.1%)
CIE-LAB	lab(61.19, -12.22, -24.88)
CIE-LCH	lch(61.19, 27.71, 243.85°)
OKLab	oklab(66.03% -0.0548 -0.0693)
OKLCH	oklch(66.03% 0.088 231.6)
XYZ	xyz(25.0352, 29.4676, 53.6486)
Luminance	0.2947 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559CBF #BF7855

analogous

#55BFAD #559CBF #5567BF

triadic

#559CBF #BF559C #9CBF55

tetradic

#559CBF #AD55BF #BF7855 #67BF55

square

#559CBF #AD55BF #BF7855 #67BF55

split-complementary

#559CBF #BF5567 #BFAD55

monochromatic

#2A5970 #3B7C9C #559CBF #81B6D0 #AED0E0

Accessibility & contrast

On white

3.05

#559CBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.89

#559CBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559CBF

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559CBF	#FFFFFF	#000000	##000000
##559CBF	1.00	3.05	6.89	6.89
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.89	21.00	1.00	1.00
##000000	6.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B9AC1

Deuteranopia (green-blind)

#7C8FBF

Tritanopia (blue-blind)

#00A6A7

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #559cbf;
/* rgb */ color: rgb(85, 156, 191);
/* oklch */ color: oklch(66.0% 0.088 231.6);

Tailwind

colors: {
  custom: {
    50: '#8db9d2',
    500: '#559cbf',
    950: '#000000',
  },
}

SCSS

$custom: #559cbf;
$custom-light: #8db9d2;
$custom-dark: #000000;

JSON

{
  "hex": "#559cbf",
  "rgb": {
    "r": 85,
    "g": 156,
    "b": 191
  },
  "hsl": {
    "h": 199.811,
    "s": 45.299,
    "l": 54.118
  },
  "oklch": {
    "l": 0.66033,
    "c": 0.08836,
    "h": 231.6
  },
  "luminance": 0.2947
}

Semantic roles & 50–950 ramp

primary

#559CBF

secondary

#CEB0A1

accent

#7E53D5

background

#F9FBFC

surface

#F1F6F9

border

#CBD0D2

text

#0D1114

muted

#7E8082

Preview Lab

Preview with #559CBF

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

Preview Lab → · Contrast checker → · Palette generator →