#1BB4A1#1BB4A1

#1BB4A1 is a light, vivid teal. Relative luminance 0.354; OKLCH L 69.3% C 0.120 H 181.5°. Best body text is #000000 at 8.09:1 contrast (WCAG AA passes).

Color values

HEX#1BB4A1
RGBrgb(27, 180, 161)
HSLhsl(173, 74%, 41%)
HSVhsv(173, 85%, 71%)
CMYKcmyk(85%, 0%, 10.6%, 29.4%)
CIE-LABlab(66.09, -41.36, -0.89)
CIE-LCHlch(66.09, 41.37, 181.24°)
OKLaboklab(69.27% -0.1201 -0.0031)
OKLCHoklch(69.27% 0.12 181.5)
XYZxyz(23.2030, 35.4457, 39.3301)
Luminance0.3545 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1BB4A1 #B41B2E
analogous
#1BB454 #1BB4A1 #1B7AB4
triadic
#1BB4A1 #A11BB4 #B4A11B
tetradic
#1BB4A1 #541BB4 #B41B2E #7AB41B
square
#1BB4A1 #541BB4 #B41B2E #7AB41B
split-complementary
#1BB4A1 #B41B7A #B4541B
monochromatic
#0B4A42 #137F71 #1BB4A1 #2DDFC9 #62E7D7

Accessibility & contrast

On white

2.60
#1BB4A1 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.09
#1BB4A1 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1BB4A1
8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1BB4A1#FFFFFF#000000##000000
##1BB4A11.002.608.098.09
#FFFFFF2.601.0021.0021.00
#0000008.0921.001.001.00
##0000008.0921.001.001.00

Color blindness preview

Protanopia (red-blind)
#ABA9A0
Deuteranopia (green-blind)
#989BA3
Tritanopia (blue-blind)
#00B8AE
Achromatopsia (no color)
#A1A1A1

Design tokens & code

CSS
--color: #1bb4a1;
/* rgb */ color: rgb(27, 180, 161);
/* oklch */ color: oklch(69.3% 0.120 181.5);
Tailwind
colors: {
  custom: {
    50: '#77cbbc',
    500: '#1bb4a1',
    950: '#000000',
  },
}
SCSS
$custom: #1bb4a1;
$custom-light: #77cbbc;
$custom-dark: #000000;
JSON
{
  "hex": "#1bb4a1",
  "rgb": {
    "r": 27,
    "g": 180,
    "b": 161
  },
  "hsl": {
    "h": 172.549,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.69271,
    "c": 0.12014,
    "h": 181.5
  },
  "luminance": 0.35449
}

Semantic roles & 50–950 ramp

primary
#1BB4A1
secondary
#CC5F6C
accent
#374EF1
background
#F8FCFB
surface
#EFF9F6
border
#CAD2D0
text
#0B1312
muted
#7C8281

Preview Lab

Preview with #1BB4A1

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

Preview Lab → · Contrast checker → · Palette generator →

#1BB4A1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva