#33A4BB#33A4BB

#33A4BB is a light, moderate cyan. Relative luminance 0.308; OKLCH L 66.6% C 0.103 H 214.4°. Best body text is #000000 at 7.17:1 contrast (WCAG AA passes).

Color values

HEX#33A4BB
RGBrgb(51, 164, 187)
HSLhsl(190, 57%, 47%)
HSVhsv(190, 73%, 73%)
CMYKcmyk(72.7%, 12.3%, 0%, 26.7%)
CIE-LABlab(62.37, -23.52, -20.92)
CIE-LCHlch(62.37, 31.47, 221.65°)
OKLaboklab(66.63% -0.0851 -0.0583)
OKLCHoklch(66.63% 0.103 214.4)
XYZxyz(23.6065, 30.8398, 51.7126)
Luminance0.3084 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#33A4BB #BB4A33
analogous
#33BB8E #33A4BB #3360BB
triadic
#33A4BB #BB33A4 #A4BB33
tetradic
#33A4BB #8E33BB #BB4A33 #60BB33
square
#33A4BB #8E33BB #BB4A33 #60BB33
split-complementary
#33A4BB #BB3360 #BB8E33
monochromatic
#19505B #267A8B #33A4BB #59BDD2 #89D0DF

Accessibility & contrast

On white

2.93
#33A4BB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.17
#33A4BB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #33A4BB
7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##33A4BB#FFFFFF#000000##000000
##33A4BB1.002.937.177.17
#FFFFFF2.931.0021.0021.00
#0000007.1721.001.001.00
##0000007.1721.001.001.00

Color blindness preview

Protanopia (red-blind)
#949FBC
Deuteranopia (green-blind)
#8191BB
Tritanopia (blue-blind)
#00ADAB
Achromatopsia (no color)
#979797

Design tokens & code

CSS
--color: #33a4bb;
/* rgb */ color: rgb(51, 164, 187);
/* oklch */ color: oklch(66.6% 0.103 214.4);
Tailwind
colors: {
  custom: {
    50: '#7ebfcf',
    500: '#33a4bb',
    950: '#000000',
  },
}
SCSS
$custom: #33a4bb;
$custom-light: #7ebfcf;
$custom-dark: #000000;
JSON
{
  "hex": "#33a4bb",
  "rgb": {
    "r": 51,
    "g": 164,
    "b": 187
  },
  "hsl": {
    "h": 190.147,
    "s": 57.143,
    "l": 46.667
  },
  "oklch": {
    "l": 0.66632,
    "c": 0.10318,
    "h": 214.4
  },
  "luminance": 0.30843
}

Semantic roles & 50–950 ramp

primary
#33A4BB
secondary
#C98D81
accent
#6147E0
background
#F8FBFC
surface
#EFF7F9
border
#CAD0D2
text
#0B1213
muted
#7C8182

Preview Lab

Preview with #33A4BB

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

Preview Lab → · Contrast checker → · Palette generator →

#33A4BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva