#1B6988#1B6988

#1B6988 is a mid, moderate cyan. Relative luminance 0.121; OKLCH L 49.0% C 0.087 H 229.8°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX#1B6988
RGBrgb(27, 105, 136)
HSLhsl(197, 67%, 32%)
HSVhsv(197, 80%, 53%)
CMYKcmyk(80.1%, 22.8%, 0%, 46.7%)
CIE-LABlab(41.39, -11.77, -23.68)
CIE-LCHlch(41.39, 26.44, 243.56°)
OKLaboklab(48.97% -0.0564 -0.0666)
OKLCHoklch(48.97% 0.087 229.8)
XYZxyz(9.9457, 12.1125, 25.1015)
Luminance0.1211 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B6988 #883A1B
analogous
#1B8871 #1B6988 #1B3388
triadic
#1B6988 #881B69 #69881B
tetradic
#1B6988 #711B88 #883A1B #33881B
square
#1B6988 #711B88 #883A1B #33881B
split-complementary
#1B6988 #881B33 #88711B
monochromatic
#071A22 #114255 #1B6988 #2590BB #44AFDA

Accessibility & contrast

On white

6.14
#1B6988 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.42
#1B6988 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B6988
6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B6988#FFFFFF#000000##FFFFFF
##1B69881.006.143.426.14
#FFFFFF6.141.0021.001.00
#0000003.4221.001.0021.00
##FFFFFF6.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#59678A
Deuteranopia (green-blind)
#4B5D88
Tritanopia (blue-blind)
#007273
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #1b6988;
/* rgb */ color: rgb(27, 105, 136);
/* oklch */ color: oklch(49.0% 0.087 229.8);
Tailwind
colors: {
  custom: {
    50: '#6a93aa',
    500: '#1b6988',
    950: '#000000',
  },
}
SCSS
$custom: #1b6988;
$custom-light: #6a93aa;
$custom-dark: #000000;
JSON
{
  "hex": "#1b6988",
  "rgb": {
    "r": 27,
    "g": 105,
    "b": 136
  },
  "hsl": {
    "h": 197.064,
    "s": 66.871,
    "l": 31.961
  },
  "oklch": {
    "l": 0.48969,
    "c": 0.08725,
    "h": 229.8
  },
  "luminance": 0.12114
}

Semantic roles & 50–950 ramp

primary
#1B6988
secondary
#BB6644
accent
#6F3EEA
background
#F6F9FA
surface
#ECF1F4
border
#C7CBCE
text
#070D10
muted
#7A7E7F

Preview Lab

Preview with #1B6988

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

Preview Lab → · Contrast checker → · Palette generator →

#1B6988 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva