#1C666F#1C666F

#1C666F is a mid, moderate teal. Relative luminance 0.109; OKLCH L 47.0% C 0.071 H 206.9°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX#1C666F
RGBrgb(28, 102, 111)
HSLhsl(187, 60%, 27%)
HSVhsv(187, 75%, 44%)
CMYKcmyk(74.8%, 8.1%, 0%, 56.5%)
CIE-LABlab(39.41, -18.80, -11.56)
CIE-LCHlch(39.41, 22.07, 211.58°)
OKLaboklab(47.04% -0.0633 -0.0321)
OKLCHoklch(47.04% 0.071 206.9)
XYZxyz(8.0983, 10.8964, 16.7122)
Luminance0.1090 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C666F #6F251C
analogous
#1C6F4F #1C666F #1C3D6F
triadic
#1C666F #6F1C66 #666F1C
tetradic
#1C666F #4F1C6F #6F251C #3D6F1C
square
#1C666F #4F1C6F #6F251C #3D6F1C
split-complementary
#1C666F #6F1C3D #6F4F1C
monochromatic
#061618 #10393E #1C666F #2893A0 #38BDCD

Accessibility & contrast

On white

6.61
#1C666F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.18
#1C666F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C666F
6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C666F#FFFFFF#000000##FFFFFF
##1C666F1.006.613.186.61
#FFFFFF6.611.0021.001.00
#0000003.1821.001.0021.00
##FFFFFF6.611.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5D6270
Deuteranopia (green-blind)
#51596F
Tritanopia (blue-blind)
#006B69
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #1c666f;
/* rgb */ color: rgb(28, 102, 111);
/* oklch */ color: oklch(47.0% 0.071 206.9);
Tailwind
colors: {
  custom: {
    50: '#669298',
    500: '#1c666f',
    950: '#000000',
  },
}
SCSS
$custom: #1c666f;
$custom-light: #669298;
$custom-dark: #000000;
JSON
{
  "hex": "#1c666f",
  "rgb": {
    "r": 28,
    "g": 102,
    "b": 111
  },
  "hsl": {
    "h": 186.506,
    "s": 59.712,
    "l": 27.255
  },
  "oklch": {
    "l": 0.47037,
    "c": 0.071,
    "h": 206.9
  },
  "luminance": 0.10897
}

Semantic roles & 50–950 ramp

primary
#1C666F
secondary
#A44E43
accent
#5645E3
background
#F6F8F9
surface
#EBF0F2
border
#C6CBCC
text
#070D0D
muted
#7A7D7E

Preview Lab

Preview with #1C666F

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

Preview Lab → · Contrast checker → · Palette generator →

#1C666F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva