#1B4A45#1B4A45

#1B4A45 is a dark, muted teal. Relative luminance 0.056; OKLCH L 37.5% C 0.052 H 185.7°. Best body text is #FFFFFF at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#1B4A45
RGB	rgb(27, 74, 69)
HSL	hsl(174, 47%, 20%)
HSV	hsv(174, 64%, 29%)
CMYK	cmyk(63.5%, 0%, 6.8%, 71%)
CIE-LAB	lab(28.27, -17.29, -1.80)
CIE-LCH	lch(28.27, 17.38, 185.95°)
OKLab	oklab(37.53% -0.0513 -0.0051)
OKLCH	oklch(37.53% 0.052 185.7)
XYZ	xyz(3.9745, 5.5598, 6.4928)
Luminance	0.0556 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4A45 #4A1B20

analogous

#1B4A2E #1B4A45 #1B384A

triadic

#1B4A45 #451B4A #4A451B

tetradic

#1B4A45 #2E1B4A #4A1B20 #384A1B

square

#1B4A45 #2E1B4A #4A1B20 #384A1B

split-complementary

#1B4A45 #4A1B38 #4A2E1B

monochromatic

#081615 #0B1D1B #1B4A45 #2B776F #3CA499

Accessibility & contrast

On white

9.94

#1B4A45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#1B4A45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4A45

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4A45	#FFFFFF	#000000	##FFFFFF
##1B4A45	1.00	9.94	2.11	9.94
#FFFFFF	9.94	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464645

Deuteranopia (green-blind)

#3F4046

Tritanopia (blue-blind)

#004C48

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1b4a45;
/* rgb */ color: rgb(27, 74, 69);
/* oklch */ color: oklch(37.5% 0.052 185.7);

Tailwind

colors: {
  custom: {
    50: '#5d7d78',
    500: '#1b4a45',
    950: '#000000',
  },
}

SCSS

$custom: #1b4a45;
$custom-light: #5d7d78;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4a45",
  "rgb": {
    "r": 27,
    "g": 74,
    "b": 69
  },
  "hsl": {
    "h": 173.617,
    "s": 46.535,
    "l": 19.804
  },
  "oklch": {
    "l": 0.3753,
    "c": 0.05158,
    "h": 185.7
  },
  "luminance": 0.0556
}

Semantic roles & 50–950 ramp

primary

#1B4A45

secondary

#804148

accent

#5260D6

background

#F5F7F7

surface

#E9EEED

border

#C5C9C8

text

#040909

muted

#797B7B

Preview Lab

Preview with #1B4A45

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

Preview Lab → · Contrast checker → · Palette generator →