#559DBB#559DBB

#559DBB is a light, moderate cyan. Relative luminance 0.296; OKLCH L 66.1% C 0.085 H 227.3°. Best body text is #000000 at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#559DBB
RGB	rgb(85, 157, 187)
HSL	hsl(198, 43%, 53%)
HSV	hsv(198, 55%, 73%)
CMYK	cmyk(54.5%, 16%, 0%, 26.7%)
CIE-LAB	lab(61.33, -13.97, -22.41)
CIE-LCH	lch(61.33, 26.41, 238.07°)
OKLab	oklab(66.1% -0.0575 -0.0623)
OKLCH	oklch(66.1% 0.085 227.3)
XYZ	xyz(24.7695, 29.6309, 51.4181)
Luminance	0.2963 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559DBB #BB7355

analogous

#55BBA6 #559DBB #556ABB

triadic

#559DBB #BB559D #9DBB55

tetradic

#559DBB #A655BB #BB7355 #6ABB55

square

#559DBB #A655BB #BB7355 #6ABB55

split-complementary

#559DBB #BB556A #BBA655

monochromatic

#2B586B #3C7C97 #559DBB #81B6CC #ACCFDE

Accessibility & contrast

On white

3.03

#559DBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.93

#559DBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559DBB

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559DBB	#FFFFFF	#000000	##000000
##559DBB	1.00	3.03	6.93	6.93
#FFFFFF	3.03	1.00	21.00	21.00
#000000	6.93	21.00	1.00	1.00
##000000	6.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D9ABD

Deuteranopia (green-blind)

#7E8FBB

Tritanopia (blue-blind)

#00A6A7

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #559dbb;
/* rgb */ color: rgb(85, 157, 187);
/* oklch */ color: oklch(66.1% 0.085 227.3);

Tailwind

colors: {
  custom: {
    50: '#8cbacf',
    500: '#559dbb',
    950: '#000000',
  },
}

SCSS

$custom: #559dbb;
$custom-light: #8cbacf;
$custom-dark: #000000;

JSON

{
  "hex": "#559dbb",
  "rgb": {
    "r": 85,
    "g": 157,
    "b": 187
  },
  "hsl": {
    "h": 197.647,
    "s": 42.857,
    "l": 53.333
  },
  "oklch": {
    "l": 0.66097,
    "c": 0.08475,
    "h": 227.3
  },
  "luminance": 0.29633
}

Semantic roles & 50–950 ramp

primary

#559DBB

secondary

#CCADA0

accent

#7A55D3

background

#F9FBFC

surface

#F1F6F9

border

#CBD0D2

text

#0D1113

muted

#7E8082

Preview Lab

Preview with #559DBB

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

Preview Lab → · Contrast checker → · Palette generator →