#1B4B41#1B4B41

#1B4B41 is a dark, muted teal. Relative luminance 0.056; OKLCH L 37.7% C 0.055 H 177.2°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#1B4B41
RGB	rgb(27, 75, 65)
HSL	hsl(168, 47%, 20%)
HSV	hsv(168, 64%, 29%)
CMYK	cmyk(64%, 0%, 13.3%, 70.6%)
CIE-LAB	lab(28.50, -19.04, 1.12)
CIE-LCH	lch(28.50, 19.08, 176.64°)
OKLab	oklab(37.67% -0.0547 0.0027)
OKLCH	oklch(37.67% 0.055 177.2)
XYZ	xyz(3.9218, 5.6464, 5.8832)
Luminance	0.0565 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4B41 #4B1B25

analogous

#1B4B29 #1B4B41 #1B3D4B

triadic

#1B4B41 #411B4B #4B411B

tetradic

#1B4B41 #291B4B #4B1B25 #3D4B1B

square

#1B4B41 #291B4B #4B1B25 #3D4B1B

split-complementary

#1B4B41 #4B1B3D #4B291B

monochromatic

#081714 #0B1E1A #1B4B41 #2B7868 #3BA58F

Accessibility & contrast

On white

9.86

#1B4B41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#1B4B41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4B41

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4B41	#FFFFFF	#000000	##FFFFFF
##1B4B41	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484641

Deuteranopia (green-blind)

#414142

Tritanopia (blue-blind)

#004C48

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1b4b41;
/* rgb */ color: rgb(27, 75, 65);
/* oklch */ color: oklch(37.7% 0.055 177.2);

Tailwind

colors: {
  custom: {
    50: '#5d7d75',
    500: '#1b4b41',
    950: '#000000',
  },
}

SCSS

$custom: #1b4b41;
$custom-light: #5d7d75;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4b41",
  "rgb": {
    "r": 27,
    "g": 75,
    "b": 65
  },
  "hsl": {
    "h": 167.5,
    "s": 47.059,
    "l": 20
  },
  "oklch": {
    "l": 0.37674,
    "c": 0.0548,
    "h": 177.2
  },
  "luminance": 0.05647
}

Semantic roles & 50–950 ramp

primary

#1B4B41

secondary

#81414E

accent

#516DD7

background

#F5F7F7

surface

#E9EEED

border

#C5C9C8

text

#040908

muted

#797B7B

Preview Lab

Preview with #1B4B41

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

Preview Lab → · Contrast checker → · Palette generator →