#1F8B9B#1F8B9B

#1F8B9B is a mid, moderate teal. Relative luminance 0.211; OKLCH L 58.6% C 0.094 H 210.1°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX#1F8B9B
RGBrgb(31, 139, 155)
HSLhsl(188, 67%, 36%)
HSVhsv(188, 80%, 61%)
CMYKcmyk(80%, 10.3%, 0%, 39.2%)
CIE-LABlab(53.08, -23.36, -16.92)
CIE-LCHlch(53.08, 28.84, 215.91°)
OKLaboklab(58.64% -0.0813 -0.0471)
OKLCHoklch(58.64% 0.094 210.1)
XYZxyz(15.7115, 21.1211, 34.2527)
Luminance0.2112 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1F8B9B #9B2F1F
analogous
#1F9B6D #1F8B9B #1F4D9B
triadic
#1F8B9B #9B1F8B #8B9B1F
tetradic
#1F8B9B #6D1F9B #9B2F1F #4D9B1F
square
#1F8B9B #6D1F9B #9B2F1F #4D9B1F
split-complementary
#1F8B9B #9B1F4D #9B6D1F
monochromatic
#0B3035 #155D68 #1F8B9B #29B9CE #57CCDD

Accessibility & contrast

On white

4.02
#1F8B9B on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.22
#1F8B9B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F8B9B
5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1F8B9B#FFFFFF#000000##000000
##1F8B9B1.004.025.225.22
#FFFFFF4.021.0021.0021.00
#0000005.2221.001.001.00
##0000005.2221.001.001.00

Color blindness preview

Protanopia (red-blind)
#7D869C
Deuteranopia (green-blind)
#6D7A9B
Tritanopia (blue-blind)
#009290
Achromatopsia (no color)
#7F7F7F

Design tokens & code

CSS
--color: #1f8b9b;
/* rgb */ color: rgb(31, 139, 155);
/* oklch */ color: oklch(58.6% 0.094 210.1);
Tailwind
colors: {
  custom: {
    50: '#71adb8',
    500: '#1f8b9b',
    950: '#000000',
  },
}
SCSS
$custom: #1f8b9b;
$custom-light: #71adb8;
$custom-dark: #000000;
JSON
{
  "hex": "#1f8b9b",
  "rgb": {
    "r": 31,
    "g": 139,
    "b": 155
  },
  "hsl": {
    "h": 187.742,
    "s": 66.667,
    "l": 36.471
  },
  "oklch": {
    "l": 0.58641,
    "c": 0.09402,
    "h": 210.1
  },
  "luminance": 0.21123
}

Semantic roles & 50–950 ramp

primary
#1F8B9B
secondary
#C16355
accent
#543EEA
background
#F7FAFB
surface
#EDF4F6
border
#C8CED0
text
#091011
muted
#7B7F80

Preview Lab

Preview with #1F8B9B

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

Preview Lab → · Contrast checker → · Palette generator →

#1F8B9B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva