#1B747B#1B747B

#1B747B is a mid, moderate teal. Relative luminance 0.142; OKLCH L 51.3% C 0.080 H 203.0°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX#1B747B
RGBrgb(27, 116, 123)
HSLhsl(184, 64%, 29%)
HSVhsv(184, 78%, 48%)
CMYKcmyk(78%, 5.7%, 0%, 51.8%)
CIE-LABlab(44.45, -22.41, -11.19)
CIE-LCHlch(44.45, 25.05, 206.54°)
OKLaboklab(51.26% -0.0734 -0.0311)
OKLCHoklch(51.26% 0.08 203)
XYZxyz(10.2709, 14.1526, 20.9255)
Luminance0.1415 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B747B #7B221B
analogous
#1B7B52 #1B747B #1B447B
triadic
#1B747B #7B1B74 #747B1B
tetradic
#1B747B #521B7B #7B221B #447B1B
square
#1B747B #521B7B #7B221B #447B1B
split-complementary
#1B747B #7B1B44 #7B521B
monochromatic
#061819 #104549 #1B747B #26A3AD #3CC9D4

Accessibility & contrast

On white

5.48
#1B747B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.83
#1B747B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B747B
5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B747B#FFFFFF#000000##FFFFFF
##1B747B1.005.483.835.48
#FFFFFF5.481.0021.001.00
#0000003.8321.001.0021.00
##FFFFFF5.481.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6A6F7C
Deuteranopia (green-blind)
#5D657B
Tritanopia (blue-blind)
#007976
Achromatopsia (no color)
#696969

Design tokens & code

CSS
--color: #1b747b;
/* rgb */ color: rgb(27, 116, 123);
/* oklch */ color: oklch(51.3% 0.080 203.0);
Tailwind
colors: {
  custom: {
    50: '#699ca1',
    500: '#1b747b',
    950: '#000000',
  },
}
SCSS
$custom: #1b747b;
$custom-light: #699ca1;
$custom-dark: #000000;
JSON
{
  "hex": "#1b747b",
  "rgb": {
    "r": 27,
    "g": 116,
    "b": 123
  },
  "hsl": {
    "h": 184.375,
    "s": 64,
    "l": 29.412
  },
  "oklch": {
    "l": 0.51256,
    "c": 0.07969,
    "h": 203
  },
  "luminance": 0.14154
}

Semantic roles & 50–950 ramp

primary
#1B747B
secondary
#AF4B43
accent
#4D41E7
background
#F6F9F9
surface
#ECF2F2
border
#C7CCCC
text
#070E0E
muted
#7A7E7E

Preview Lab

Preview with #1B747B

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

Preview Lab → · Contrast checker → · Palette generator →

#1B747B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva