#55A9BB#55A9BB

#55A9BB is a light, moderate cyan. Relative luminance 0.339; OKLCH L 68.9% C 0.085 H 213.5°. Best body text is #000000 at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#55A9BB
RGB	rgb(85, 169, 187)
HSL	hsl(191, 43%, 53%)
HSV	hsv(191, 55%, 73%)
CMYK	cmyk(54.5%, 9.6%, 0%, 26.7%)
CIE-LAB	lab(64.88, -20.33, -17.02)
CIE-LCH	lch(64.88, 26.51, 219.93°)
OKLab	oklab(68.93% -0.0711 -0.0471)
OKLCH	oklch(68.93% 0.085 213.5)
XYZ	xyz(26.9004, 33.8926, 52.1284)
Luminance	0.3389 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55A9BB #BB6755

analogous

#55BB9A #55A9BB #5576BB

triadic

#55A9BB #BB55A9 #A9BB55

tetradic

#55A9BB #9A55BB #BB6755 #76BB55

square

#55A9BB #9A55BB #BB6755 #76BB55

split-complementary

#55A9BB #BB5576 #BB9A55

monochromatic

#2B606B #3C8797 #55A9BB #81BFCC #ACD5DE

Accessibility & contrast

On white

2.70

#55A9BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.78

#55A9BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55A9BB

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55A9BB	#FFFFFF	#000000	##000000
##55A9BB	1.00	2.70	7.78	7.78
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.78	21.00	1.00	1.00
##000000	7.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BA4BC

Deuteranopia (green-blind)

#8C98BB

Tritanopia (blue-blind)

#00B0AE

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #55a9bb;
/* rgb */ color: rgb(85, 169, 187);
/* oklch */ color: oklch(68.9% 0.085 213.5);

Tailwind

colors: {
  custom: {
    50: '#8dc2cf',
    500: '#55a9bb',
    950: '#000000',
  },
}

SCSS

$custom: #55a9bb;
$custom-light: #8dc2cf;
$custom-dark: #000000;

JSON

{
  "hex": "#55a9bb",
  "rgb": {
    "r": 85,
    "g": 169,
    "b": 187
  },
  "hsl": {
    "h": 190.588,
    "s": 42.857,
    "l": 53.333
  },
  "oklch": {
    "l": 0.68928,
    "c": 0.08529,
    "h": 213.5
  },
  "luminance": 0.33895
}

Semantic roles & 50–950 ramp

primary

#55A9BB

secondary

#CCA8A0

accent

#6B55D3

background

#F9FBFC

surface

#F1F7F9

border

#CBD0D2

text

#0D1213

muted

#7E8182

Preview Lab

Preview with #55A9BB

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

Preview Lab → · Contrast checker → · Palette generator →