#1B809C#1B809C

#1B809C is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 55.8% C 0.096 H 221.9°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX#1B809C
RGBrgb(27, 128, 156)
HSLhsl(193, 70%, 36%)
HSVhsv(193, 83%, 61%)
CMYKcmyk(82.7%, 17.9%, 0%, 38.8%)
CIE-LABlab(49.58, -17.56, -22.86)
CIE-LCHlch(49.58, 28.83, 232.48°)
OKLaboklab(55.81% -0.0714 -0.0641)
OKLCHoklch(55.81% 0.096 221.9)
XYZxyz(14.1694, 18.0699, 34.1871)
Luminance0.1807 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B809C #9C371B
analogous
#1B9C77 #1B809C #1B3F9C
triadic
#1B809C #9C1B80 #809C1B
tetradic
#1B809C #771B9C #9C371B #3F9C1B
square
#1B809C #771B9C #9C371B #3F9C1B
split-complementary
#1B809C #9C1B3F #9C771B
monochromatic
#092A34 #125568 #1B809C #24ABD0 #51C2E1

Accessibility & contrast

On white

4.55
#1B809C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.61
#1B809C on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B809C
4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B809C#FFFFFF#000000##000000
##1B809C1.004.554.614.61
#FFFFFF4.551.0021.0021.00
#0000004.6121.001.001.00
##0000004.6121.001.001.00

Color blindness preview

Protanopia (red-blind)
#707D9D
Deuteranopia (green-blind)
#5F719C
Tritanopia (blue-blind)
#008989
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #1b809c;
/* rgb */ color: rgb(27, 128, 156);
/* oklch */ color: oklch(55.8% 0.096 221.9);
Tailwind
colors: {
  custom: {
    50: '#6fa5b9',
    500: '#1b809c',
    950: '#000000',
  },
}
SCSS
$custom: #1b809c;
$custom-light: #6fa5b9;
$custom-dark: #000000;
JSON
{
  "hex": "#1b809c",
  "rgb": {
    "r": 27,
    "g": 128,
    "b": 156
  },
  "hsl": {
    "h": 193.023,
    "s": 70.492,
    "l": 35.882
  },
  "oklch": {
    "l": 0.55813,
    "c": 0.09594,
    "h": 221.9
  },
  "luminance": 0.18072
}

Semantic roles & 50–950 ramp

primary
#1B809C
secondary
#C3694F
accent
#613BED
background
#F7FAFB
surface
#EDF4F6
border
#C8CED0
text
#090F11
muted
#7B7F80

Preview Lab

Preview with #1B809C

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

Preview Lab → · Contrast checker → · Palette generator →

#1B809C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva