#1B7189#1B7189

#1B7189 is a mid, moderate cyan. Relative luminance 0.138; OKLCH L 51.1% C 0.086 H 221.5°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX#1B7189
RGBrgb(27, 113, 137)
HSLhsl(193, 67%, 32%)
HSVhsv(193, 80%, 54%)
CMYKcmyk(80.3%, 17.5%, 0%, 46.3%)
CIE-LABlab(44.01, -15.98, -20.23)
CIE-LCHlch(44.01, 25.78, 231.69°)
OKLaboklab(51.08% -0.0641 -0.0566)
OKLCHoklch(51.08% 0.086 221.5)
XYZxyz(10.8706, 13.8481, 25.7621)
Luminance0.1385 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B7189 #89331B
analogous
#1B896A #1B7189 #1B3A89
triadic
#1B7189 #891B71 #71891B
tetradic
#1B7189 #6A1B89 #89331B #3A891B
square
#1B7189 #6A1B89 #89331B #3A891B
split-complementary
#1B7189 #891B3A #896A1B
monochromatic
#071D23 #114756 #1B7189 #259BBC #44B9DA

Accessibility & contrast

On white

5.57
#1B7189 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.77
#1B7189 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7189
5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B7189#FFFFFF#000000##FFFFFF
##1B71891.005.573.775.57
#FFFFFF5.571.0021.001.00
#0000003.7721.001.0021.00
##FFFFFF5.571.0021.001.00

Color blindness preview

Protanopia (red-blind)
#636E8A
Deuteranopia (green-blind)
#546389
Tritanopia (blue-blind)
#007979
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #1b7189;
/* rgb */ color: rgb(27, 113, 137);
/* oklch */ color: oklch(51.1% 0.086 221.5);
Tailwind
colors: {
  custom: {
    50: '#6b9aab',
    500: '#1b7189',
    950: '#000000',
  },
}
SCSS
$custom: #1b7189;
$custom-light: #6b9aab;
$custom-dark: #000000;
JSON
{
  "hex": "#1b7189",
  "rgb": {
    "r": 27,
    "g": 113,
    "b": 137
  },
  "hsl": {
    "h": 193.091,
    "s": 67.073,
    "l": 32.157
  },
  "oklch": {
    "l": 0.51083,
    "c": 0.08555,
    "h": 221.5
  },
  "luminance": 0.13849
}

Semantic roles & 50–950 ramp

primary
#1B7189
secondary
#BC5E44
accent
#633EEA
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#080E10
muted
#7A7E7F

Preview Lab

Preview with #1B7189

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

Preview Lab → · Contrast checker → · Palette generator →

#1B7189 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva