#559BAB#559BAB

#559BAB is a light, moderate cyan. Relative luminance 0.283; OKLCH L 65.0% C 0.074 H 214.3°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#559BAB
RGB	rgb(85, 155, 171)
HSL	hsl(191, 34%, 50%)
HSV	hsv(191, 50%, 67%)
CMYK	cmyk(50.3%, 9.4%, 0%, 32.9%)
CIE-LAB	lab(60.17, -17.58, -15.16)
CIE-LCH	lch(60.17, 23.21, 220.78°)
OKLab	oklab(64.98% -0.0614 -0.0419)
OKLCH	oklch(64.98% 0.074 214.3)
XYZ	xyz(22.8155, 28.3123, 42.7827)
Luminance	0.2831 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559BAB #AB6555

analogous

#55AB90 #559BAB #5570AB

triadic

#559BAB #AB559B #9BAB55

tetradic

#559BAB #9055AB #AB6555 #70AB55

square

#559BAB #9055AB #AB6555 #70AB55

split-complementary

#559BAB #AB5570 #AB9055

monochromatic

#2C5159 #407682 #559BAB #7EB3BF #A7CBD3

Accessibility & contrast

On white

3.15

#559BAB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.66

#559BAB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559BAB

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559BAB	#FFFFFF	#000000	##000000
##559BAB	1.00	3.15	6.66	6.66
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.66	21.00	1.00	1.00
##000000	6.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F97AC

Deuteranopia (green-blind)

#828DAB

Tritanopia (blue-blind)

#22A1A0

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #559bab;
/* rgb */ color: rgb(85, 155, 171);
/* oklch */ color: oklch(65.0% 0.074 214.3);

Tailwind

colors: {
  custom: {
    50: '#8bb8c4',
    500: '#559bab',
    950: '#000000',
  },
}

SCSS

$custom: #559bab;
$custom-light: #8bb8c4;
$custom-dark: #000000;

JSON

{
  "hex": "#559bab",
  "rgb": {
    "r": 85,
    "g": 155,
    "b": 171
  },
  "hsl": {
    "h": 191.163,
    "s": 33.858,
    "l": 50.196
  },
  "oklch": {
    "l": 0.64978,
    "c": 0.07434,
    "h": 214.3
  },
  "luminance": 0.28314
}

Semantic roles & 50–950 ramp

primary

#559BAB

secondary

#C1A29B

accent

#725ECA

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1112

muted

#7D8081

Preview Lab

Preview with #559BAB

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

Preview Lab → · Contrast checker → · Palette generator →