#1B6878#1B6878

#1B6878 is a mid, moderate cyan. Relative luminance 0.115; OKLCH L 47.9% C 0.076 H 215.0°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX#1B6878
RGBrgb(27, 104, 120)
HSLhsl(190, 63%, 29%)
HSVhsv(190, 78%, 47%)
CMYKcmyk(77.5%, 13.3%, 0%, 52.9%)
CIE-LABlab(40.39, -16.95, -15.55)
CIE-LCHlch(40.39, 23.00, 222.53°)
OKLaboklab(47.94% -0.0619 -0.0434)
OKLCHoklch(47.94% 0.076 215)
XYZxyz(8.7910, 11.4887, 19.5199)
Luminance0.1149 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B6878 #782B1B
analogous
#1B785A #1B6878 #1B3A78
triadic
#1B6878 #781B68 #68781B
tetradic
#1B6878 #5A1B78 #782B1B #3A781B
square
#1B6878 #5A1B78 #782B1B #3A781B
split-complementary
#1B6878 #781B3A #785A1B
monochromatic
#061619 #103D46 #1B6878 #2693AA #3BB9D3

Accessibility & contrast

On white

6.37
#1B6878 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.30
#1B6878 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B6878
6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B6878#FFFFFF#000000##FFFFFF
##1B68781.006.373.306.37
#FFFFFF6.371.0021.001.00
#0000003.3021.001.0021.00
##FFFFFF6.371.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5D6479
Deuteranopia (green-blind)
#505B78
Tritanopia (blue-blind)
#006E6D
Achromatopsia (no color)
#5F5F5F

Design tokens & code

CSS
--color: #1b6878;
/* rgb */ color: rgb(27, 104, 120);
/* oklch */ color: oklch(47.9% 0.076 215.0);
Tailwind
colors: {
  custom: {
    50: '#67939f',
    500: '#1b6878',
    950: '#000000',
  },
}
SCSS
$custom: #1b6878;
$custom-light: #67939f;
$custom-dark: #000000;
JSON
{
  "hex": "#1b6878",
  "rgb": {
    "r": 27,
    "g": 104,
    "b": 120
  },
  "hsl": {
    "h": 190.323,
    "s": 63.265,
    "l": 28.824
  },
  "oklch": {
    "l": 0.47941,
    "c": 0.07559,
    "h": 215
  },
  "luminance": 0.1149
}

Semantic roles & 50–950 ramp

primary
#1B6878
secondary
#AC5543
accent
#5E41E6
background
#F6F9F9
surface
#EBF1F2
border
#C6CBCC
text
#070D0E
muted
#7A7E7E

Preview Lab

Preview with #1B6878

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

Preview Lab → · Contrast checker → · Palette generator →

#1B6878 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva