#33B5B1#33B5B1

#33B5B1 is a light, moderate teal. Relative luminance 0.369; OKLCH L 70.4% C 0.109 H 191.9°. Best body text is #000000 at 8.39:1 contrast (WCAG AA passes).

Color values

HEX#33B5B1
RGBrgb(51, 181, 177)
HSLhsl(178, 56%, 45%)
HSVhsv(178, 72%, 71%)
CMYKcmyk(71.8%, 0%, 2.2%, 29%)
CIE-LABlab(67.22, -34.87, -8.05)
CIE-LCHlch(67.22, 35.79, 192.99°)
OKLaboklab(70.44% -0.1065 -0.0224)
OKLCHoklch(70.44% 0.109 191.9)
XYZxyz(25.8213, 36.9228, 47.3524)
Luminance0.3693 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#33B5B1 #B53337
analogous
#33B570 #33B5B1 #3378B5
triadic
#33B5B1 #B133B5 #B5B133
tetradic
#33B5B1 #7033B5 #B53337 #78B533
square
#33B5B1 #7033B5 #B53337 #78B533
split-complementary
#33B5B1 #B53378 #B57033
monochromatic
#185654 #268582 #33B5B1 #56CFCC #86DDDA

Accessibility & contrast

On white

2.50
#33B5B1 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.39
#33B5B1 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #33B5B1
8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##33B5B1#FFFFFF#000000##000000
##33B5B11.002.508.398.39
#FFFFFF2.501.0021.0021.00
#0000008.3921.001.001.00
##0000008.3921.001.001.00

Color blindness preview

Protanopia (red-blind)
#AAACB1
Deuteranopia (green-blind)
#979EB2
Tritanopia (blue-blind)
#00BAB3
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #33b5b1;
/* rgb */ color: rgb(51, 181, 177);
/* oklch */ color: oklch(70.4% 0.109 191.9);
Tailwind
colors: {
  custom: {
    50: '#7fcbc8',
    500: '#33b5b1',
    950: '#000000',
  },
}
SCSS
$custom: #33b5b1;
$custom-light: #7fcbc8;
$custom-dark: #000000;
JSON
{
  "hex": "#33b5b1",
  "rgb": {
    "r": 51,
    "g": 181,
    "b": 177
  },
  "hsl": {
    "h": 178.154,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.70443,
    "c": 0.10883,
    "h": 191.9
  },
  "luminance": 0.36926
}

Semantic roles & 50–950 ramp

primary
#33B5B1
secondary
#C67D80
accent
#484DDF
background
#F8FCFC
surface
#F0F9F8
border
#CBD2D1
text
#0C1313
muted
#7D8282

Preview Lab

Preview with #33B5B1

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

Preview Lab → · Contrast checker → · Palette generator →

#33B5B1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva