#1B666E#1B666E

#1B666E is a mid, moderate teal. Relative luminance 0.109; OKLCH L 47.0% C 0.071 H 205.5°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX#1B666E
RGBrgb(27, 102, 110)
HSLhsl(186, 61%, 27%)
HSVhsv(186, 75%, 43%)
CMYKcmyk(75.5%, 7.3%, 0%, 56.9%)
CIE-LABlab(39.34, -19.28, -11.04)
CIE-LCHlch(39.34, 22.22, 209.79°)
OKLaboklab(46.97% -0.0642 -0.0307)
OKLCHoklch(46.97% 0.071 205.5)
XYZxyz(8.0166, 10.8606, 16.4226)
Luminance0.1086 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B666E #6E231B
analogous
#1B6E4D #1B666E #1B3D6E
triadic
#1B666E #6E1B66 #666E1B
tetradic
#1B666E #4D1B6E #6E231B #3D6E1B
square
#1B666E #4D1B6E #6E231B #3D6E1B
split-complementary
#1B666E #6E1B3D #6E4D1B
monochromatic
#061719 #0F383D #1B666E #27949F #36BFCE

Accessibility & contrast

On white

6.62
#1B666E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.17
#1B666E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B666E
6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B666E#FFFFFF#000000##FFFFFF
##1B666E1.006.623.176.62
#FFFFFF6.621.0021.001.00
#0000003.1721.001.0021.00
##FFFFFF6.621.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5D626F
Deuteranopia (green-blind)
#51596E
Tritanopia (blue-blind)
#006B68
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #1b666e;
/* rgb */ color: rgb(27, 102, 110);
/* oklch */ color: oklch(47.0% 0.071 205.5);
Tailwind
colors: {
  custom: {
    50: '#669297',
    500: '#1b666e',
    950: '#000000',
  },
}
SCSS
$custom: #1b666e;
$custom-light: #669297;
$custom-dark: #000000;
JSON
{
  "hex": "#1b666e",
  "rgb": {
    "r": 27,
    "g": 102,
    "b": 110
  },
  "hsl": {
    "h": 185.783,
    "s": 60.584,
    "l": 26.863
  },
  "oklch": {
    "l": 0.46969,
    "c": 0.07119,
    "h": 205.5
  },
  "luminance": 0.10862
}

Semantic roles & 50–950 ramp

primary
#1B666E
secondary
#A34B42
accent
#5344E4
background
#F6F8F9
surface
#EBF0F2
border
#C6CBCC
text
#060D0D
muted
#7A7D7E

Preview Lab

Preview with #1B666E

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

Preview Lab → · Contrast checker → · Palette generator →

#1B666E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva