#1B8591#1B8591

#1B8591 is a mid, moderate teal. Relative luminance 0.191; OKLCH L 56.6% C 0.091 H 206.7°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX#1B8591
RGBrgb(27, 133, 145)
HSLhsl(186, 69%, 34%)
HSVhsv(186, 81%, 57%)
CMYKcmyk(81.4%, 8.3%, 0%, 43.1%)
CIE-LABlab(50.75, -23.97, -14.66)
CIE-LCHlch(50.75, 28.10, 211.46°)
OKLaboklab(56.61% -0.081 -0.0408)
OKLCHoklch(56.61% 0.091 206.7)
XYZxyz(13.9481, 19.0507, 29.7246)
Luminance0.1905 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B8591 #91271B
analogous
#1B9162 #1B8591 #1B4A91
triadic
#1B8591 #911B85 #85911B
tetradic
#1B8591 #621B91 #91271B #4A911B
square
#1B8591 #621B91 #91271B #4A911B
split-complementary
#1B8591 #911B4A #91621B
monochromatic
#08262A #11565D #1B8591 #25B4C5 #49CEDD

Accessibility & contrast

On white

4.37
#1B8591 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.81
#1B8591 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8591
4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B8591#FFFFFF#000000##000000
##1B85911.004.374.814.81
#FFFFFF4.371.0021.0021.00
#0000004.8121.001.001.00
##0000004.8121.001.001.00

Color blindness preview

Protanopia (red-blind)
#797F92
Deuteranopia (green-blind)
#697491
Tritanopia (blue-blind)
#008B89
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #1b8591;
/* rgb */ color: rgb(27, 133, 145);
/* oklch */ color: oklch(56.6% 0.091 206.7);
Tailwind
colors: {
  custom: {
    50: '#6ea9b1',
    500: '#1b8591',
    950: '#000000',
  },
}
SCSS
$custom: #1b8591;
$custom-light: #6ea9b1;
$custom-dark: #000000;
JSON
{
  "hex": "#1b8591",
  "rgb": {
    "r": 27,
    "g": 133,
    "b": 145
  },
  "hsl": {
    "h": 186.102,
    "s": 68.605,
    "l": 33.725
  },
  "oklch": {
    "l": 0.56613,
    "c": 0.09071,
    "h": 206.7
  },
  "luminance": 0.19052
}

Semantic roles & 50–950 ramp

primary
#1B8591
secondary
#BF5549
accent
#4E3CEB
background
#F7FAFA
surface
#EDF4F5
border
#C8CECF
text
#081010
muted
#7B7F7F

Preview Lab

Preview with #1B8591

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

Preview Lab → · Contrast checker → · Palette generator →

#1B8591 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva