#1B788E#1B788E

#1B788E is a mid, moderate cyan. Relative luminance 0.156; OKLCH L 53.1% C 0.088 H 218.1°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX#1B788E
RGBrgb(27, 120, 142)
HSLhsl(191, 68%, 33%)
HSVhsv(191, 81%, 56%)
CMYKcmyk(81%, 15.5%, 0%, 44.3%)
CIE-LABlab(46.47, -18.09, -19.43)
CIE-LCHlch(46.47, 26.54, 227.04°)
OKLaboklab(53.12% -0.0692 -0.0543)
OKLCHoklch(53.12% 0.088 218.1)
XYZxyz(12.0489, 15.6175, 27.9654)
Luminance0.1562 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B788E #8E311B
analogous
#1B8E6A #1B788E #1B3F8E
triadic
#1B788E #8E1B78 #788E1B
tetradic
#1B788E #6A1B8E #8E311B #3F8E1B
square
#1B788E #6A1B8E #8E311B #3F8E1B
split-complementary
#1B788E #8E1B3F #8E6A1B
monochromatic
#072127 #114D5B #1B788E #25A3C1 #47C0DC

Accessibility & contrast

On white

5.09
#1B788E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.12
#1B788E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B788E
5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B788E#FFFFFF#000000##FFFFFF
##1B788E1.005.094.125.09
#FFFFFF5.091.0021.001.00
#0000004.1221.001.0021.00
##FFFFFF5.091.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6A748F
Deuteranopia (green-blind)
#5B698E
Tritanopia (blue-blind)
#007F7F
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #1b788e;
/* rgb */ color: rgb(27, 120, 142);
/* oklch */ color: oklch(53.1% 0.088 218.1);
Tailwind
colors: {
  custom: {
    50: '#6c9faf',
    500: '#1b788e',
    950: '#000000',
  },
}
SCSS
$custom: #1b788e;
$custom-light: #6c9faf;
$custom-dark: #000000;
JSON
{
  "hex": "#1b788e",
  "rgb": {
    "r": 27,
    "g": 120,
    "b": 142
  },
  "hsl": {
    "h": 191.478,
    "s": 68.047,
    "l": 33.137
  },
  "oklch": {
    "l": 0.53123,
    "c": 0.08794,
    "h": 218.1
  },
  "luminance": 0.15619
}

Semantic roles & 50–950 ramp

primary
#1B788E
secondary
#BE5E47
accent
#5E3DEB
background
#F7F9FA
surface
#EDF2F4
border
#C8CCCE
text
#080E10
muted
#7B7E7F

Preview Lab

Preview with #1B788E

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

Preview Lab → · Contrast checker → · Palette generator →

#1B788E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva