#1B7377#1B7377

#1B7377 is a mid, moderate teal. Relative luminance 0.138; OKLCH L 50.8% C 0.079 H 199.6°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#1B7377
RGB	rgb(27, 115, 119)
HSL	hsl(183, 63%, 29%)
HSV	hsv(183, 77%, 47%)
CMYK	cmyk(77.3%, 3.4%, 0%, 53.3%)
CIE-LAB	lab(43.98, -23.20, -9.50)
CIE-LCH	lch(43.98, 25.07, 202.27°)
OKLab	oklab(50.83% -0.0742 -0.0264)
OKLCH	oklch(50.83% 0.079 199.6)
XYZ	xyz(9.9110, 13.8252, 19.5954)
Luminance	0.1383 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7377 #771F1B

analogous

#1B774D #1B7377 #1B4577

triadic

#1B7377 #771B73 #73771B

tetradic

#1B7377 #4D1B77 #771F1B #45771B

square

#1B7377 #4D1B77 #771F1B #45771B

split-complementary

#1B7377 #771B45 #774D1B

monochromatic

#061819 #104345 #1B7377 #26A3A9 #3ACCD2

Accessibility & contrast

On white

5.58

#1B7377 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#1B7377 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7377

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7377	#FFFFFF	#000000	##FFFFFF
##1B7377	1.00	5.58	3.77	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A6D77

Deuteranopia (green-blind)

#5D6477

Tritanopia (blue-blind)

#007774

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #1b7377;
/* rgb */ color: rgb(27, 115, 119);
/* oklch */ color: oklch(50.8% 0.079 199.6);

Tailwind

colors: {
  custom: {
    50: '#699b9e',
    500: '#1b7377',
    950: '#000000',
  },
}

SCSS

$custom: #1b7377;
$custom-light: #699b9e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7377",
  "rgb": {
    "r": 27,
    "g": 115,
    "b": 119
  },
  "hsl": {
    "h": 182.609,
    "s": 63.014,
    "l": 28.627
  },
  "oklch": {
    "l": 0.50829,
    "c": 0.07872,
    "h": 199.6
  },
  "luminance": 0.13826
}

Semantic roles & 50–950 ramp

primary

#1B7377

secondary

#AB4742

accent

#4942E6

background

#F6F9F9

surface

#ECF2F2

border

#C7CCCC

text

#070E0E

muted

#7A7E7E

Preview Lab

Preview with #1B7377

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

Preview Lab → · Contrast checker → · Palette generator →