#1B4947#1B4947

#1B4947 is a dark, muted teal. Relative luminance 0.055; OKLCH L 37.3% C 0.050 H 191.3°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#1B4947
RGB	rgb(27, 73, 71)
HSL	hsl(177, 46%, 20%)
HSV	hsv(177, 63%, 29%)
CMYK	cmyk(63%, 0%, 2.7%, 71.4%)
CIE-LAB	lab(27.99, -16.10, -3.52)
CIE-LCH	lch(27.99, 16.48, 192.34°)
OKLab	oklab(37.32% -0.049 -0.0098)
OKLCH	oklch(37.32% 0.05 191.3)
XYZ	xyz(3.9714, 5.4526, 6.8032)
Luminance	0.0545 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4947 #491B1D

analogous

#1B4930 #1B4947 #1B3449

triadic

#1B4947 #471B49 #49471B

tetradic

#1B4947 #301B49 #491B1D #34491B

square

#1B4947 #301B49 #491B1D #34491B

split-complementary

#1B4947 #491B34 #49301B

monochromatic

#081616 #0A1C1C #1B4947 #2C7672 #3CA29E

Accessibility & contrast

On white

10.04

#1B4947 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#1B4947 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4947

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4947	#FFFFFF	#000000	##FFFFFF
##1B4947	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#454547

Deuteranopia (green-blind)

#3D4047

Tritanopia (blue-blind)

#004B48

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1b4947;
/* rgb */ color: rgb(27, 73, 71);
/* oklch */ color: oklch(37.3% 0.050 191.3);

Tailwind

colors: {
  custom: {
    50: '#5d7c7a',
    500: '#1b4947',
    950: '#000000',
  },
}

SCSS

$custom: #1b4947;
$custom-light: #5d7c7a;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4947",
  "rgb": {
    "r": 27,
    "g": 73,
    "b": 71
  },
  "hsl": {
    "h": 177.391,
    "s": 46,
    "l": 19.608
  },
  "oklch": {
    "l": 0.37321,
    "c": 0.04996,
    "h": 191.3
  },
  "luminance": 0.05453
}

Semantic roles & 50–950 ramp

primary

#1B4947

secondary

#7F4144

accent

#5258D6

background

#F5F7F7

surface

#E9EEED

border

#C5C9C8

text

#040909

muted

#797B7B

Preview Lab

Preview with #1B4947

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

Preview Lab → · Contrast checker → · Palette generator →