#1B788B#1B788B

#1B788B is a mid, moderate cyan. Relative luminance 0.155; OKLCH L 53.0% C 0.086 H 215.3°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX#1B788B
RGBrgb(27, 120, 139)
HSLhsl(190, 67%, 33%)
HSVhsv(190, 81%, 55%)
CMYKcmyk(80.6%, 13.7%, 0%, 45.5%)
CIE-LABlab(46.35, -19.13, -17.83)
CIE-LCHlch(46.35, 26.15, 222.99°)
OKLaboklab(52.99% -0.0704 -0.0498)
OKLCHoklch(52.99% 0.086 215.3)
XYZxyz(11.8267, 15.5286, 26.7951)
Luminance0.1553 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B788B #8B2E1B
analogous
#1B8B66 #1B788B #1B408B
triadic
#1B788B #8B1B78 #788B1B
tetradic
#1B788B #661B8B #8B2E1B #408B1B
square
#1B788B #661B8B #8B2E1B #408B1B
split-complementary
#1B788B #8B1B40 #8B661B
monochromatic
#072025 #114C58 #1B788B #25A4BE #45C2DB

Accessibility & contrast

On white

5.11
#1B788B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.11
#1B788B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B788B
5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B788B#FFFFFF#000000##FFFFFF
##1B788B1.005.114.115.11
#FFFFFF5.111.0021.001.00
#0000004.1121.001.0021.00
##FFFFFF5.111.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6B748C
Deuteranopia (green-blind)
#5C698B
Tritanopia (blue-blind)
#007F7E
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #1b788b;
/* rgb */ color: rgb(27, 120, 139);
/* oklch */ color: oklch(53.0% 0.086 215.3);
Tailwind
colors: {
  custom: {
    50: '#6c9fad',
    500: '#1b788b',
    950: '#000000',
  },
}
SCSS
$custom: #1b788b;
$custom-light: #6c9fad;
$custom-dark: #000000;
JSON
{
  "hex": "#1b788b",
  "rgb": {
    "r": 27,
    "g": 120,
    "b": 139
  },
  "hsl": {
    "h": 190.179,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.52988,
    "c": 0.08625,
    "h": 215.3
  },
  "luminance": 0.1553
}

Semantic roles & 50–950 ramp

primary
#1B788B
secondary
#BC5A45
accent
#5B3DEA
background
#F7F9FA
surface
#EDF2F4
border
#C8CCCE
text
#080E10
muted
#7B7E7F

Preview Lab

Preview with #1B788B

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

Preview Lab → · Contrast checker → · Palette generator →

#1B788B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva