#33A5BF#33A5BF

#33A5BF is a light, moderate cyan. Relative luminance 0.314; OKLCH L 67.0% C 0.105 H 216.6°. Best body text is #000000 at 7.28:1 contrast (WCAG AA passes).

Color values

HEX#33A5BF
RGBrgb(51, 165, 191)
HSLhsl(191, 58%, 47%)
HSVhsv(191, 73%, 75%)
CMYKcmyk(73.3%, 13.6%, 0%, 25.1%)
CIE-LABlab(62.82, -22.75, -22.47)
CIE-LCHlch(62.82, 31.98, 224.64°)
OKLaboklab(67.04% -0.0845 -0.0627)
OKLCHoklch(67.04% 0.105 216.6)
XYZxyz(24.2204, 31.3728, 54.0592)
Luminance0.3138 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#33A5BF #BF4D33
analogous
#33BF93 #33A5BF #335FBF
triadic
#33A5BF #BF33A5 #A5BF33
tetradic
#33A5BF #9333BF #BF4D33 #5FBF33
square
#33A5BF #9333BF #BF4D33 #5FBF33
split-complementary
#33A5BF #BF335F #BF9333
monochromatic
#19525E #267B8F #33A5BF #5CBDD3 #8CD1E0

Accessibility & contrast

On white

2.89
#33A5BF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.28
#33A5BF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #33A5BF
7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##33A5BF#FFFFFF#000000##000000
##33A5BF1.002.897.287.28
#FFFFFF2.891.0021.0021.00
#0000007.2821.001.001.00
##0000007.2821.001.001.00

Color blindness preview

Protanopia (red-blind)
#94A0C0
Deuteranopia (green-blind)
#8092BF
Tritanopia (blue-blind)
#00AEAD
Achromatopsia (no color)
#989898

Design tokens & code

CSS
--color: #33a5bf;
/* rgb */ color: rgb(51, 165, 191);
/* oklch */ color: oklch(67.0% 0.105 216.6);
Tailwind
colors: {
  custom: {
    50: '#7fc0d2',
    500: '#33a5bf',
    950: '#000000',
  },
}
SCSS
$custom: #33a5bf;
$custom-light: #7fc0d2;
$custom-dark: #000000;
JSON
{
  "hex": "#33a5bf",
  "rgb": {
    "r": 51,
    "g": 165,
    "b": 191
  },
  "hsl": {
    "h": 191.143,
    "s": 57.851,
    "l": 47.451
  },
  "oklch": {
    "l": 0.67042,
    "c": 0.10524,
    "h": 216.6
  },
  "luminance": 0.31376
}

Semantic roles & 50–950 ramp

primary
#33A5BF
secondary
#CB9083
accent
#6347E1
background
#F8FBFC
surface
#F0F7F9
border
#CBD0D2
text
#0B1214
muted
#7C8182

Preview Lab

Preview with #33A5BF

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

Preview Lab → · Contrast checker → · Palette generator →

#33A5BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva