#1C818B#1C818B

#1C818B is a mid, moderate teal. Relative luminance 0.178; OKLCH L 55.3% C 0.088 H 205.2°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX#1C818B
RGBrgb(28, 129, 139)
HSLhsl(185, 66%, 33%)
HSVhsv(185, 80%, 55%)
CMYKcmyk(79.9%, 7.2%, 0%, 45.5%)
CIE-LABlab(49.26, -23.78, -13.39)
CIE-LCHlch(49.26, 27.30, 209.39°)
OKLaboklab(55.35% -0.0793 -0.0373)
OKLCHoklch(55.35% 0.088 205.2)
XYZxyz(12.9873, 17.8099, 27.1743)
Luminance0.1781 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C818B #8B261C
analogous
#1C8B5D #1C818B #1C4A8B
triadic
#1C818B #8B1C81 #818B1C
tetradic
#1C818B #5D1C8B #8B261C #4A8B1C
square
#1C818B #5D1C8B #8B261C #4A8B1C
split-complementary
#1C818B #8B1C4A #8B5D1C
monochromatic
#072225 #125258 #1C818B #26B0BE #47CDDA

Accessibility & contrast

On white

4.60
#1C818B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.56
#1C818B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #1C818B
4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C818B#FFFFFF#000000##FFFFFF
##1C818B1.004.604.564.60
#FFFFFF4.601.0021.001.00
#0000004.5621.001.0021.00
##FFFFFF4.601.0021.001.00

Color blindness preview

Protanopia (red-blind)
#767B8C
Deuteranopia (green-blind)
#67708B
Tritanopia (blue-blind)
#008784
Achromatopsia (no color)
#757575

Design tokens & code

CSS
--color: #1c818b;
/* rgb */ color: rgb(28, 129, 139);
/* oklch */ color: oklch(55.3% 0.088 205.2);
Tailwind
colors: {
  custom: {
    50: '#6da6ac',
    500: '#1c818b',
    950: '#000000',
  },
}
SCSS
$custom: #1c818b;
$custom-light: #6da6ac;
$custom-dark: #000000;
JSON
{
  "hex": "#1c818b",
  "rgb": {
    "r": 28,
    "g": 129,
    "b": 139
  },
  "hsl": {
    "h": 185.405,
    "s": 66.467,
    "l": 32.745
  },
  "oklch": {
    "l": 0.55348,
    "c": 0.0876,
    "h": 205.2
  },
  "luminance": 0.17811
}

Semantic roles & 50–950 ramp

primary
#1C818B
secondary
#BC5147
accent
#4E3EE9
background
#F7FAFA
surface
#EDF4F4
border
#C8CECE
text
#080F10
muted
#7B7F7F

Preview Lab

Preview with #1C818B

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

Preview Lab → · Contrast checker → · Palette generator →

#1C818B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva