#1B4F45#1B4F45

#1B4F45 is a dark, muted teal. Relative luminance 0.063; OKLCH L 39.0% C 0.058 H 178.2°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#1B4F45
RGB	rgb(27, 79, 69)
HSL	hsl(168, 49%, 21%)
HSV	hsv(168, 66%, 31%)
CMYK	cmyk(65.8%, 0%, 12.7%, 69%)
CIE-LAB	lab(30.04, -20.01, 0.79)
CIE-LCH	lch(30.04, 20.02, 177.74°)
OKLab	oklab(38.97% -0.0577 0.0018)
OKLCH	oklch(38.97% 0.058 178.2)
XYZ	xyz(4.3217, 6.2542, 6.6085)
Luminance	0.0625 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4F45 #4F1B25

analogous

#1B4F2B #1B4F45 #1B3F4F

triadic

#1B4F45 #451B4F #4F451B

tetradic

#1B4F45 #2B1B4F #4F1B25 #3F4F1B

square

#1B4F45 #2B1B4F #4F1B25 #3F4F1B

split-complementary

#1B4F45 #4F1B3F #4F2B1B

monochromatic

#081714 #0B211D #1B4F45 #2B7D6D #3AAA95

Accessibility & contrast

On white

9.33

#1B4F45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#1B4F45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4F45

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4F45	#FFFFFF	#000000	##FFFFFF
##1B4F45	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4A45

Deuteranopia (green-blind)

#444446

Tritanopia (blue-blind)

#00504C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1b4f45;
/* rgb */ color: rgb(27, 79, 69);
/* oklch */ color: oklch(39.0% 0.058 178.2);

Tailwind

colors: {
  custom: {
    50: '#5e8078',
    500: '#1b4f45',
    950: '#000000',
  },
}

SCSS

$custom: #1b4f45;
$custom-light: #5e8078;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4f45",
  "rgb": {
    "r": 27,
    "g": 79,
    "b": 69
  },
  "hsl": {
    "h": 168.462,
    "s": 49.057,
    "l": 20.784
  },
  "oklch": {
    "l": 0.38968,
    "c": 0.0577,
    "h": 178.2
  },
  "luminance": 0.06255
}

Semantic roles & 50–950 ramp

primary

#1B4F45

secondary

#85414E

accent

#4F6AD9

background

#F5F7F7

surface

#E9EEED

border

#C5C9C8

text

#050A09

muted

#797C7B

Preview Lab

Preview with #1B4F45

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

Preview Lab → · Contrast checker → · Palette generator →