#1B837B#1B837B

#1B837B is a mid, moderate teal. Relative luminance 0.179; OKLCH L 55.3% C 0.090 H 187.0°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#1B837B
RGB	rgb(27, 131, 123)
HSL	hsl(175, 66%, 31%)
HSV	hsv(175, 79%, 51%)
CMYK	cmyk(79.4%, 0%, 6.1%, 48.6%)
CIE-LAB	lab(49.37, -29.94, -3.85)
CIE-LCH	lch(49.37, 30.19, 187.33°)
OKLab	oklab(55.25% -0.0892 -0.0109)
OKLCH	oklch(55.25% 0.09 187)
XYZ	xyz(12.1417, 17.8942, 21.5491)
Luminance	0.1790 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B837B #831B23

analogous

#1B8347 #1B837B #1B5783

triadic

#1B837B #7B1B83 #837B1B

tetradic

#1B837B #471B83 #831B23 #57831B

square

#1B837B #471B83 #831B23 #57831B

split-complementary

#1B837B #831B57 #83471B

monochromatic

#061E1C #11504B #1B837B #25B6AB #41D8CC

Accessibility & contrast

On white

4.59

#1B837B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#1B837B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #1B837B

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B837B	#FFFFFF	#000000	##FFFFFF
##1B837B	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C7B7B

Deuteranopia (green-blind)

#6D717C

Tritanopia (blue-blind)

#008680

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #1b837b;
/* rgb */ color: rgb(27, 131, 123);
/* oklch */ color: oklch(55.3% 0.090 187.0);

Tailwind

colors: {
  custom: {
    50: '#6ba7a1',
    500: '#1b837b',
    950: '#000000',
  },
}

SCSS

$custom: #1b837b;
$custom-light: #6ba7a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1b837b",
  "rgb": {
    "r": 27,
    "g": 131,
    "b": 123
  },
  "hsl": {
    "h": 175.385,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.55251,
    "c": 0.08984,
    "h": 187
  },
  "luminance": 0.17896
}

Semantic roles & 50–950 ramp

primary

#1B837B

secondary

#B6434C

accent

#3F4CE9

background

#F7FAF9

surface

#EDF4F2

border

#C8CECC

text

#080F0E

muted

#7B7F7E

Preview Lab

Preview with #1B837B

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

Preview Lab → · Contrast checker → · Palette generator →