#1B7779#1B7779

#1B7779 is a mid, moderate teal. Relative luminance 0.148; OKLCH L 52.0% C 0.081 H 197.2°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX#1B7779
RGBrgb(27, 119, 121)
HSLhsl(181, 64%, 29%)
HSVhsv(181, 78%, 47%)
CMYKcmyk(77.7%, 1.7%, 0%, 52.5%)
CIE-LABlab(45.37, -24.61, -8.62)
CIE-LCHlch(45.37, 26.08, 199.30°)
OKLaboklab(51.98% -0.0775 -0.0239)
OKLCHoklch(51.98% 0.081 197.2)
XYZxyz(10.4984, 14.8059, 20.3900)
Luminance0.1481 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B7779 #791D1B
analogous
#1B794C #1B7779 #1B4879
triadic
#1B7779 #791B77 #77791B
tetradic
#1B7779 #4C1B79 #791D1B #48791B
square
#1B7779 #4C1B79 #791D1B #48791B
split-complementary
#1B7779 #791B48 #794C1B
monochromatic
#061919 #104647 #1B7779 #26A8AB #3BD0D3

Accessibility & contrast

On white

5.30
#1B7779 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.96
#1B7779 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7779
5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B7779#FFFFFF#000000##FFFFFF
##1B77791.005.303.965.30
#FFFFFF5.301.0021.001.00
#0000003.9621.001.0021.00
##FFFFFF5.301.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6E7179
Deuteranopia (green-blind)
#61677A
Tritanopia (blue-blind)
#007B77
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #1b7779;
/* rgb */ color: rgb(27, 119, 121);
/* oklch */ color: oklch(52.0% 0.081 197.2);
Tailwind
colors: {
  custom: {
    50: '#699e9f',
    500: '#1b7779',
    950: '#000000',
  },
}
SCSS
$custom: #1b7779;
$custom-light: #699e9f;
$custom-dark: #000000;
JSON
{
  "hex": "#1b7779",
  "rgb": {
    "r": 27,
    "g": 119,
    "b": 121
  },
  "hsl": {
    "h": 181.277,
    "s": 63.514,
    "l": 29.02
  },
  "oklch": {
    "l": 0.51976,
    "c": 0.08111,
    "h": 197.2
  },
  "luminance": 0.14807
}

Semantic roles & 50–950 ramp

primary
#1B7779
secondary
#AD4543
accent
#4541E7
background
#F6F9F9
surface
#ECF2F2
border
#C7CCCC
text
#070E0E
muted
#7A7E7E

Preview Lab

Preview with #1B7779

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

Preview Lab → · Contrast checker → · Palette generator →

#1B7779 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva