#1B8579#1B8579

#1B8579 is a mid, moderate teal. Relative luminance 0.184; OKLCH L 55.7% C 0.092 H 183.3°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX#1B8579
RGBrgb(27, 133, 121)
HSLhsl(173, 66%, 31%)
HSVhsv(173, 80%, 52%)
CMYKcmyk(79.7%, 0%, 9%, 47.8%)
CIE-LABlab(49.96, -31.49, -1.80)
CIE-LCHlch(49.96, 31.54, 183.27°)
OKLaboklab(55.72% -0.0922 -0.0054)
OKLCHoklch(55.72% 0.092 183.3)
XYZxyz(12.2890, 18.3870, 20.9868)
Luminance0.1839 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B8579 #851B27
analogous
#1B8544 #1B8579 #1B5C85
triadic
#1B8579 #791B85 #85791B
tetradic
#1B8579 #441B85 #851B27 #5C851B
square
#1B8579 #441B85 #851B27 #5C851B
split-complementary
#1B8579 #851B5C #85441B
monochromatic
#061F1C #11524B #1B8579 #25B8A7 #42D9C8

Accessibility & contrast

On white

4.49
#1B8579 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.68
#1B8579 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8579
4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B8579#FFFFFF#000000##000000
##1B85791.004.494.684.68
#FFFFFF4.491.0021.0021.00
#0000004.6821.001.001.00
##0000004.6821.001.001.00

Color blindness preview

Protanopia (red-blind)
#7E7D79
Deuteranopia (green-blind)
#70737A
Tritanopia (blue-blind)
#008881
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #1b8579;
/* rgb */ color: rgb(27, 133, 121);
/* oklch */ color: oklch(55.7% 0.092 183.3);
Tailwind
colors: {
  custom: {
    50: '#6ca99f',
    500: '#1b8579',
    950: '#000000',
  },
}
SCSS
$custom: #1b8579;
$custom-light: #6ca99f;
$custom-dark: #000000;
JSON
{
  "hex": "#1b8579",
  "rgb": {
    "r": 27,
    "g": 133,
    "b": 121
  },
  "hsl": {
    "h": 173.208,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.55716,
    "c": 0.09241,
    "h": 183.3
  },
  "luminance": 0.18389
}

Semantic roles & 50–950 ramp

primary
#1B8579
secondary
#B84451
accent
#3F52E9
background
#F7FAF9
surface
#EDF4F2
border
#C8CECC
text
#08100E
muted
#7B7F7E

Preview Lab

Preview with #1B8579

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

Preview Lab → · Contrast checker → · Palette generator →

#1B8579 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva