#1B6779#1B6779

#1B6779 is a mid, moderate cyan. Relative luminance 0.113; OKLCH L 47.7% C 0.076 H 217.5°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX#1B6779
RGBrgb(27, 103, 121)
HSLhsl(191, 64%, 29%)
HSVhsv(191, 78%, 47%)
CMYKcmyk(77.7%, 14.9%, 0%, 52.5%)
CIE-LABlab(40.10, -16.04, -16.60)
CIE-LCHlch(40.10, 23.08, 225.98°)
OKLaboklab(47.72% -0.0604 -0.0463)
OKLCHoklch(47.72% 0.076 217.5)
XYZxyz(8.7520, 11.3129, 19.8078)
Luminance0.1131 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B6779 #792D1B
analogous
#1B795C #1B6779 #1B3879
triadic
#1B6779 #791B67 #67791B
tetradic
#1B6779 #5C1B79 #792D1B #38791B
square
#1B6779 #5C1B79 #792D1B #38791B
split-complementary
#1B6779 #791B38 #795C1B
monochromatic
#061519 #103C47 #1B6779 #2692AB #3BB6D3

Accessibility & contrast

On white

6.44
#1B6779 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.26
#1B6779 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B6779
6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B6779#FFFFFF#000000##FFFFFF
##1B67791.006.443.266.44
#FFFFFF6.441.0021.001.00
#0000003.2621.001.0021.00
##FFFFFF6.441.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5B647A
Deuteranopia (green-blind)
#4E5A79
Tritanopia (blue-blind)
#006D6D
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #1b6779;
/* rgb */ color: rgb(27, 103, 121);
/* oklch */ color: oklch(47.7% 0.076 217.5);
Tailwind
colors: {
  custom: {
    50: '#67929f',
    500: '#1b6779',
    950: '#000000',
  },
}
SCSS
$custom: #1b6779;
$custom-light: #67929f;
$custom-dark: #000000;
JSON
{
  "hex": "#1b6779",
  "rgb": {
    "r": 27,
    "g": 103,
    "b": 121
  },
  "hsl": {
    "h": 191.489,
    "s": 63.514,
    "l": 29.02
  },
  "oklch": {
    "l": 0.47722,
    "c": 0.07614,
    "h": 217.5
  },
  "luminance": 0.11314
}

Semantic roles & 50–950 ramp

primary
#1B6779
secondary
#AD5743
accent
#6141E7
background
#F6F9F9
surface
#EBF1F2
border
#C6CBCC
text
#070D0E
muted
#7A7E7E

Preview Lab

Preview with #1B6779

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

Preview Lab → · Contrast checker → · Palette generator →

#1B6779 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva