#1B4E47#1B4E47

#1B4E47 is a dark, muted teal. Relative luminance 0.061; OKLCH L 38.8% C 0.055 H 182.9°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#1B4E47
RGB	rgb(27, 78, 71)
HSL	hsl(172, 49%, 21%)
HSV	hsv(172, 65%, 31%)
CMYK	cmyk(65.4%, 0%, 9%, 69.4%)
CIE-LAB	lab(29.75, -18.87, -0.92)
CIE-LCH	lch(29.75, 18.89, 182.78°)
OKLab	oklab(38.75% -0.0553 -0.0028)
OKLCH	oklch(38.75% 0.055 182.9)
XYZ	xyz(4.3132, 6.1363, 6.9171)
Luminance	0.0614 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4E47 #4E1B22

analogous

#1B4E2D #1B4E47 #1B3B4E

triadic

#1B4E47 #471B4E #4E471B

tetradic

#1B4E47 #2D1B4E #4E1B22 #3B4E1B

square

#1B4E47 #2D1B4E #4E1B22 #3B4E1B

split-complementary

#1B4E47 #4E1B3B #4E2D1B

monochromatic

#081715 #0B211E #1B4E47 #2B7B70 #3AA99A

Accessibility & contrast

On white

9.43

#1B4E47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#1B4E47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4E47

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4E47	#FFFFFF	#000000	##FFFFFF
##1B4E47	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4947

Deuteranopia (green-blind)

#424448

Tritanopia (blue-blind)

#00504C

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1b4e47;
/* rgb */ color: rgb(27, 78, 71);
/* oklch */ color: oklch(38.8% 0.055 182.9);

Tailwind

colors: {
  custom: {
    50: '#5e807a',
    500: '#1b4e47',
    950: '#000000',
  },
}

SCSS

$custom: #1b4e47;
$custom-light: #5e807a;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4e47",
  "rgb": {
    "r": 27,
    "g": 78,
    "b": 71
  },
  "hsl": {
    "h": 171.765,
    "s": 48.571,
    "l": 20.588
  },
  "oklch": {
    "l": 0.38752,
    "c": 0.05542,
    "h": 182.9
  },
  "luminance": 0.06137
}

Semantic roles & 50–950 ramp

primary

#1B4E47

secondary

#84414A

accent

#5062D8

background

#F5F7F7

surface

#E9EEED

border

#C5C9C8

text

#050A09

muted

#797C7B

Preview Lab

Preview with #1B4E47

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

Preview Lab → · Contrast checker → · Palette generator →