#1B837F#1B837F

#1B837F is a mid, moderate teal. Relative luminance 0.180; OKLCH L 55.4% C 0.089 H 190.9°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#1B837F
RGB	rgb(27, 131, 127)
HSL	hsl(178, 66%, 31%)
HSV	hsv(178, 79%, 51%)
CMYK	cmyk(79.4%, 0%, 3.1%, 48.6%)
CIE-LAB	lab(49.49, -28.72, -6.01)
CIE-LCH	lch(49.49, 29.34, 191.82°)
OKLab	oklab(55.39% -0.0872 -0.0168)
OKLCH	oklch(55.39% 0.089 190.9)
XYZ	xyz(12.3973, 17.9964, 22.8948)
Luminance	0.1800 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B837F #831B1F

analogous

#1B834B #1B837F #1B5383

triadic

#1B837F #7F1B83 #837F1B

tetradic

#1B837F #4B1B83 #831B1F #53831B

square

#1B837F #4B1B83 #831B1F #53831B

split-complementary

#1B837F #831B53 #834B1B

monochromatic

#061E1D #11504E #1B837F #25B6B0 #41D8D2

Accessibility & contrast

On white

4.57

#1B837F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#1B837F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B837F

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B837F	#FFFFFF	#000000	##000000
##1B837F	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B7C7F

Deuteranopia (green-blind)

#6C7180

Tritanopia (blue-blind)

#008782

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #1b837f;
/* rgb */ color: rgb(27, 131, 127);
/* oklch */ color: oklch(55.4% 0.089 190.9);

Tailwind

colors: {
  custom: {
    50: '#6ca7a4',
    500: '#1b837f',
    950: '#000000',
  },
}

SCSS

$custom: #1b837f;
$custom-light: #6ca7a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1b837f",
  "rgb": {
    "r": 27,
    "g": 131,
    "b": 127
  },
  "hsl": {
    "h": 177.692,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.55393,
    "c": 0.08885,
    "h": 190.9
  },
  "luminance": 0.17998
}

Semantic roles & 50–950 ramp

primary

#1B837F

secondary

#B64348

accent

#3F46E9

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F0F

muted

#7B7F7F

Preview Lab

Preview with #1B837F

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

Preview Lab → · Contrast checker → · Palette generator →