#1B6F8B#1B6F8B

#1B6F8B is a mid, moderate cyan. Relative luminance 0.135; OKLCH L 50.7% C 0.088 H 225.6°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX#1B6F8B
RGBrgb(27, 111, 139)
HSLhsl(195, 67%, 33%)
HSVhsv(195, 81%, 55%)
CMYKcmyk(80.6%, 20.1%, 0%, 45.5%)
CIE-LABlab(43.46, -14.14, -22.28)
CIE-LCHlch(43.46, 26.39, 237.61°)
OKLaboklab(50.66% -0.0613 -0.0625)
OKLCHoklch(50.66% 0.088 225.6)
XYZxyz(10.7947, 13.4646, 26.4511)
Luminance0.1347 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B6F8B #8B371B
analogous
#1B8B6F #1B6F8B #1B378B
triadic
#1B6F8B #8B1B6F #6F8B1B
tetradic
#1B6F8B #6F1B8B #8B371B #378B1B
square
#1B6F8B #6F1B8B #8B371B #378B1B
split-complementary
#1B6F8B #8B1B37 #8B6F1B
monochromatic
#071D25 #114658 #1B6F8B #2598BE #45B6DB

Accessibility & contrast

On white

5.69
#1B6F8B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.69
#1B6F8B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B6F8B
5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B6F8B#FFFFFF#000000##FFFFFF
##1B6F8B1.005.693.695.69
#FFFFFF5.691.0021.001.00
#0000003.6921.001.0021.00
##FFFFFF5.691.0021.001.00

Color blindness preview

Protanopia (red-blind)
#606D8C
Deuteranopia (green-blind)
#51628B
Tritanopia (blue-blind)
#007778
Achromatopsia (no color)
#676767

Design tokens & code

CSS
--color: #1b6f8b;
/* rgb */ color: rgb(27, 111, 139);
/* oklch */ color: oklch(50.7% 0.088 225.6);
Tailwind
colors: {
  custom: {
    50: '#6b98ad',
    500: '#1b6f8b',
    950: '#000000',
  },
}
SCSS
$custom: #1b6f8b;
$custom-light: #6b98ad;
$custom-dark: #000000;
JSON
{
  "hex": "#1b6f8b",
  "rgb": {
    "r": 27,
    "g": 111,
    "b": 139
  },
  "hsl": {
    "h": 195,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.50662,
    "c": 0.08755,
    "h": 225.6
  },
  "luminance": 0.13466
}

Semantic roles & 50–950 ramp

primary
#1B6F8B
secondary
#BC6345
accent
#693DEA
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#080D10
muted
#7A7E7F

Preview Lab

Preview with #1B6F8B

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

Preview Lab → · Contrast checker → · Palette generator →

#1B6F8B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva