#1B6188#1B6188

#1B6188 is a mid, moderate cyan. Relative luminance 0.106; OKLCH L 46.9% C 0.092 H 238.3°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX#1B6188
RGBrgb(27, 97, 136)
HSLhsl(201, 67%, 32%)
HSVhsv(201, 80%, 53%)
CMYKcmyk(80.1%, 28.7%, 0%, 46.7%)
CIE-LABlab(38.83, -7.01, -27.68)
CIE-LCHlch(38.83, 28.55, 255.79°)
OKLaboklab(46.92% -0.0483 -0.0783)
OKLCHoklch(46.92% 0.092 238.3)
XYZxyz(9.1689, 10.5589, 24.8426)
Luminance0.1056 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B6188 #88421B
analogous
#1B8879 #1B6188 #1B2B88
triadic
#1B6188 #881B61 #61881B
tetradic
#1B6188 #791B88 #88421B #2B881B
square
#1B6188 #791B88 #88421B #2B881B
split-complementary
#1B6188 #881B2B #88791B
monochromatic
#071822 #113D55 #1B6188 #2585BB #44A4DA

Accessibility & contrast

On white

6.75
#1B6188 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.11
#1B6188 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B6188
6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B6188#FFFFFF#000000##FFFFFF
##1B61881.006.753.116.75
#FFFFFF6.751.0021.001.00
#0000003.1121.001.0021.00
##FFFFFF6.751.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4E618A
Deuteranopia (green-blind)
#405787
Tritanopia (blue-blind)
#006B6F
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #1b6188;
/* rgb */ color: rgb(27, 97, 136);
/* oklch */ color: oklch(46.9% 0.092 238.3);
Tailwind
colors: {
  custom: {
    50: '#698dab',
    500: '#1b6188',
    950: '#000000',
  },
}
SCSS
$custom: #1b6188;
$custom-light: #698dab;
$custom-dark: #000000;
JSON
{
  "hex": "#1b6188",
  "rgb": {
    "r": 27,
    "g": 97,
    "b": 136
  },
  "hsl": {
    "h": 201.468,
    "s": 66.871,
    "l": 31.961
  },
  "oklch": {
    "l": 0.46924,
    "c": 0.09197,
    "h": 238.3
  },
  "luminance": 0.1056
}

Semantic roles & 50–950 ramp

primary
#1B6188
secondary
#BB6E44
accent
#7B3EEA
background
#F6F8FA
surface
#ECF0F4
border
#C7CBCE
text
#070C10
muted
#7A7D7F

Preview Lab

Preview with #1B6188

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

Preview Lab → · Contrast checker → · Palette generator →

#1B6188 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva