#55A8BB#55A8BB

#55A8BB is a light, moderate cyan. Relative luminance 0.335; OKLCH L 68.7% C 0.085 H 214.6°. Best body text is #000000 at 7.70:1 contrast (WCAG AA passes).

Color values

HEX#55A8BB
RGBrgb(85, 168, 187)
HSLhsl(191, 43%, 53%)
HSVhsv(191, 55%, 73%)
CMYKcmyk(54.5%, 10.2%, 0%, 26.7%)
CIE-LABlab(64.58, -19.81, -17.46)
CIE-LCHlch(64.58, 26.41, 221.40°)
OKLaboklab(68.69% -0.07 -0.0483)
OKLCHoklch(68.69% 0.085 214.6)
XYZxyz(26.7151, 33.5220, 52.0666)
Luminance0.3352 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#55A8BB #BB6855
analogous
#55BB9B #55A8BB #5575BB
triadic
#55A8BB #BB55A8 #A8BB55
tetradic
#55A8BB #9B55BB #BB6855 #75BB55
square
#55A8BB #9B55BB #BB6855 #75BB55
split-complementary
#55A8BB #BB5575 #BB9B55
monochromatic
#2B5F6B #3C8697 #55A8BB #81BECC #ACD5DE

Accessibility & contrast

On white

2.73
#55A8BB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.70
#55A8BB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55A8BB
7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##55A8BB#FFFFFF#000000##000000
##55A8BB1.002.737.707.70
#FFFFFF2.731.0021.0021.00
#0000007.7021.001.001.00
##0000007.7021.001.001.00

Color blindness preview

Protanopia (red-blind)
#9AA3BC
Deuteranopia (green-blind)
#8B98BB
Tritanopia (blue-blind)
#00AFAE
Achromatopsia (no color)
#9D9D9D

Design tokens & code

CSS
--color: #55a8bb;
/* rgb */ color: rgb(85, 168, 187);
/* oklch */ color: oklch(68.7% 0.085 214.6);
Tailwind
colors: {
  custom: {
    50: '#8dc2cf',
    500: '#55a8bb',
    950: '#000000',
  },
}
SCSS
$custom: #55a8bb;
$custom-light: #8dc2cf;
$custom-dark: #000000;
JSON
{
  "hex": "#55a8bb",
  "rgb": {
    "r": 85,
    "g": 168,
    "b": 187
  },
  "hsl": {
    "h": 191.176,
    "s": 42.857,
    "l": 53.333
  },
  "oklch": {
    "l": 0.6869,
    "c": 0.08505,
    "h": 214.6
  },
  "luminance": 0.33524
}

Semantic roles & 50–950 ramp

primary
#55A8BB
secondary
#CCA8A0
accent
#6D55D3
background
#F9FBFC
surface
#F1F7F9
border
#CBD0D2
text
#0D1213
muted
#7E8182

Preview Lab

Preview with #55A8BB

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

Preview Lab → · Contrast checker → · Palette generator →

#55A8BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva