#1B837C#1B837C

#1B837C is a mid, moderate teal. Relative luminance 0.179; OKLCH L 55.3% C 0.090 H 187.9°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#1B837C
RGB	rgb(27, 131, 124)
HSL	hsl(176, 66%, 31%)
HSV	hsv(176, 79%, 51%)
CMYK	cmyk(79.4%, 0%, 5.3%, 48.6%)
CIE-LAB	lab(49.40, -29.64, -4.39)
CIE-LCH	lch(49.40, 29.96, 188.43°)
OKLab	oklab(55.29% -0.0887 -0.0124)
OKLCH	oklch(55.29% 0.09 187.9)
XYZ	xyz(12.2046, 17.9193, 21.8804)
Luminance	0.1792 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B837C #831B22

analogous

#1B8348 #1B837C #1B5683

triadic

#1B837C #7C1B83 #837C1B

tetradic

#1B837C #481B83 #831B22 #56831B

square

#1B837C #481B83 #831B22 #56831B

split-complementary

#1B837C #831B56 #83481B

monochromatic

#061E1C #11504C #1B837C #25B6AC #41D8CE

Accessibility & contrast

On white

4.58

#1B837C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#1B837C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B837C

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B837C	#FFFFFF	#000000	##000000
##1B837C	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B7B7C

Deuteranopia (green-blind)

#6D717D

Tritanopia (blue-blind)

#008681

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #1b837c;
/* rgb */ color: rgb(27, 131, 124);
/* oklch */ color: oklch(55.3% 0.090 187.9);

Tailwind

colors: {
  custom: {
    50: '#6ca7a1',
    500: '#1b837c',
    950: '#000000',
  },
}

SCSS

$custom: #1b837c;
$custom-light: #6ca7a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1b837c",
  "rgb": {
    "r": 27,
    "g": 131,
    "b": 124
  },
  "hsl": {
    "h": 175.962,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.55286,
    "c": 0.08956,
    "h": 187.9
  },
  "luminance": 0.17921
}

Semantic roles & 50–950 ramp

primary

#1B837C

secondary

#B6434B

accent

#3F4AE9

background

#F7FAF9

surface

#EDF4F2

border

#C8CECC

text

#080F0F

muted

#7B7F7E

Preview Lab

Preview with #1B837C

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

Preview Lab → · Contrast checker → · Palette generator →