#1B4D47#1B4D47

#1B4D47 is a dark, muted teal. Relative luminance 0.060; OKLCH L 38.5% C 0.054 H 184.4°. Best body text is #FFFFFF at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#1B4D47
RGB	rgb(27, 77, 71)
HSL	hsl(173, 48%, 20%)
HSV	hsv(173, 65%, 30%)
CMYK	cmyk(64.9%, 0%, 7.8%, 69.8%)
CIE-LAB	lab(29.40, -18.33, -1.44)
CIE-LCH	lch(29.40, 18.38, 184.48°)
OKLab	oklab(38.46% -0.0541 -0.0042)
OKLCH	oklch(38.46% 0.054 184.4)
XYZ	xyz(4.2427, 5.9953, 6.8936)
Luminance	0.0600 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4D47 #4D1B21

analogous

#1B4D2E #1B4D47 #1B3A4D

triadic

#1B4D47 #471B4D #4D471B

tetradic

#1B4D47 #2E1B4D #4D1B21 #3A4D1B

square

#1B4D47 #2E1B4D #4D1B21 #3A4D1B

split-complementary

#1B4D47 #4D1B3A #4D2E1B

monochromatic

#081715 #0B201D #1B4D47 #2B7A71 #3BA89B

Accessibility & contrast

On white

9.55

#1B4D47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#1B4D47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4D47

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4D47	#FFFFFF	#000000	##FFFFFF
##1B4D47	1.00	9.55	2.20	9.55
#FFFFFF	9.55	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494947

Deuteranopia (green-blind)

#414348

Tritanopia (blue-blind)

#004F4B

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1b4d47;
/* rgb */ color: rgb(27, 77, 71);
/* oklch */ color: oklch(38.5% 0.054 184.4);

Tailwind

colors: {
  custom: {
    50: '#5e7f7a',
    500: '#1b4d47',
    950: '#000000',
  },
}

SCSS

$custom: #1b4d47;
$custom-light: #5e7f7a;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4d47",
  "rgb": {
    "r": 27,
    "g": 77,
    "b": 71
  },
  "hsl": {
    "h": 172.8,
    "s": 48.077,
    "l": 20.392
  },
  "oklch": {
    "l": 0.38465,
    "c": 0.05425,
    "h": 184.4
  },
  "luminance": 0.05996
}

Semantic roles & 50–950 ramp

primary

#1B4D47

secondary

#834149

accent

#5060D8

background

#F5F7F7

surface

#E9EEED

border

#C5C9C8

text

#050A09

muted

#797C7B

Preview Lab

Preview with #1B4D47

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

Preview Lab → · Contrast checker → · Palette generator →