#1B6789#1B6789

#1B6789 is a mid, moderate cyan. Relative luminance 0.117; OKLCH L 48.5% C 0.089 H 232.8°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX#1B6789
RGBrgb(27, 103, 137)
HSLhsl(199, 67%, 32%)
HSVhsv(199, 80%, 54%)
CMYKcmyk(80.3%, 24.8%, 0%, 46.3%)
CIE-LABlab(40.80, -10.23, -25.21)
CIE-LCHlch(40.80, 27.21, 247.91°)
OKLaboklab(48.51% -0.054 -0.071)
OKLCHoklch(48.51% 0.089 232.8)
XYZxyz(9.8158, 11.7385, 25.4105)
Luminance0.1174 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B6789 #893D1B
analogous
#1B8974 #1B6789 #1B3089
triadic
#1B6789 #891B67 #67891B
tetradic
#1B6789 #741B89 #893D1B #30891B
square
#1B6789 #741B89 #893D1B #30891B
split-complementary
#1B6789 #891B30 #89741B
monochromatic
#071A23 #114156 #1B6789 #258DBC #44ACDA

Accessibility & contrast

On white

6.27
#1B6789 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.35
#1B6789 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B6789
6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B6789#FFFFFF#000000##FFFFFF
##1B67891.006.273.356.27
#FFFFFF6.271.0021.001.00
#0000003.3521.001.0021.00
##FFFFFF6.271.0021.001.00

Color blindness preview

Protanopia (red-blind)
#56668B
Deuteranopia (green-blind)
#475C88
Tritanopia (blue-blind)
#007072
Achromatopsia (no color)
#606060

Design tokens & code

CSS
--color: #1b6789;
/* rgb */ color: rgb(27, 103, 137);
/* oklch */ color: oklch(48.5% 0.089 232.8);
Tailwind
colors: {
  custom: {
    50: '#6a92ab',
    500: '#1b6789',
    950: '#000000',
  },
}
SCSS
$custom: #1b6789;
$custom-light: #6a92ab;
$custom-dark: #000000;
JSON
{
  "hex": "#1b6789",
  "rgb": {
    "r": 27,
    "g": 103,
    "b": 137
  },
  "hsl": {
    "h": 198.545,
    "s": 67.073,
    "l": 32.157
  },
  "oklch": {
    "l": 0.48508,
    "c": 0.0892,
    "h": 232.8
  },
  "luminance": 0.1174
}

Semantic roles & 50–950 ramp

primary
#1B6789
secondary
#BC6944
accent
#733EEA
background
#F6F8FA
surface
#ECF0F4
border
#C7CBCE
text
#070D10
muted
#7A7D7F

Preview Lab

Preview with #1B6789

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

Preview Lab → · Contrast checker → · Palette generator →

#1B6789 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva