#33A3BB#33A3BB

#33A3BB is a light, moderate cyan. Relative luminance 0.305; OKLCH L 66.4% C 0.103 H 215.3°. Best body text is #000000 at 7.10:1 contrast (WCAG AA passes).

Color values

HEX#33A3BB
RGBrgb(51, 163, 187)
HSLhsl(191, 57%, 47%)
HSVhsv(191, 73%, 73%)
CMYKcmyk(72.7%, 12.8%, 0%, 26.7%)
CIE-LABlab(62.07, -23.00, -21.38)
CIE-LCHlch(62.07, 31.41, 222.90°)
OKLaboklab(66.39% -0.0841 -0.0596)
OKLCHoklch(66.39% 0.103 215.3)
XYZxyz(23.4283, 30.4833, 51.6532)
Luminance0.3049 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#33A3BB #BB4B33
analogous
#33BB8F #33A3BB #335FBB
triadic
#33A3BB #BB33A3 #A3BB33
tetradic
#33A3BB #8F33BB #BB4B33 #5FBB33
square
#33A3BB #8F33BB #BB4B33 #5FBB33
split-complementary
#33A3BB #BB335F #BB8F33
monochromatic
#194F5B #26798B #33A3BB #59BDD2 #89D0DF

Accessibility & contrast

On white

2.96
#33A3BB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.10
#33A3BB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #33A3BB
7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##33A3BB#FFFFFF#000000##000000
##33A3BB1.002.967.107.10
#FFFFFF2.961.0021.0021.00
#0000007.1021.001.001.00
##0000007.1021.001.001.00

Color blindness preview

Protanopia (red-blind)
#929EBC
Deuteranopia (green-blind)
#8090BB
Tritanopia (blue-blind)
#00ACAA
Achromatopsia (no color)
#969696

Design tokens & code

CSS
--color: #33a3bb;
/* rgb */ color: rgb(51, 163, 187);
/* oklch */ color: oklch(66.4% 0.103 215.3);
Tailwind
colors: {
  custom: {
    50: '#7ebecf',
    500: '#33a3bb',
    950: '#000000',
  },
}
SCSS
$custom: #33a3bb;
$custom-light: #7ebecf;
$custom-dark: #000000;
JSON
{
  "hex": "#33a3bb",
  "rgb": {
    "r": 51,
    "g": 163,
    "b": 187
  },
  "hsl": {
    "h": 190.588,
    "s": 57.143,
    "l": 46.667
  },
  "oklch": {
    "l": 0.66388,
    "c": 0.10312,
    "h": 215.3
  },
  "luminance": 0.30486
}

Semantic roles & 50–950 ramp

primary
#33A3BB
secondary
#C98E81
accent
#6247E0
background
#F8FBFC
surface
#EFF7F9
border
#CAD0D2
text
#0B1213
muted
#7C8182

Preview Lab

Preview with #33A3BB

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

Preview Lab → · Contrast checker → · Palette generator →

#33A3BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva