#1B4E37#1B4E37

#1B4E37 is a dark, moderate teal. Relative luminance 0.060; OKLCH L 38.2% C 0.068 H 161.0°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#1B4E37
RGB	rgb(27, 78, 55)
HSL	hsl(153, 49%, 21%)
HSV	hsv(153, 65%, 31%)
CMYK	cmyk(65.4%, 0%, 29.5%, 69.4%)
CIE-LAB	lab(29.30, -23.33, 8.66)
CIE-LCH	lch(29.30, 24.88, 159.64°)
OKLab	oklab(38.24% -0.064 0.0221)
OKLCH	oklch(38.24% 0.068 161)
XYZ	xyz(3.8656, 5.9572, 4.5598)
Luminance	0.0596 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4E37 #4E1B32

analogous

#1B4E1D #1B4E37 #1B4B4E

triadic

#1B4E37 #371B4E #4E371B

tetradic

#1B4E37 #1D1B4E #4E1B32 #4B4E1B

square

#1B4E37 #1D1B4E #4E1B32 #4B4E1B

split-complementary

#1B4E37 #4E1B4B #4E1D1B

monochromatic

#081710 #0B2117 #1B4E37 #2B7B57 #3AA977

Accessibility & contrast

On white

9.58

#1B4E37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#1B4E37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4E37

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4E37	#FFFFFF	#000000	##FFFFFF
##1B4E37	1.00	9.58	2.19	9.58
#FFFFFF	9.58	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4836

Deuteranopia (green-blind)

#464338

Tritanopia (blue-blind)

#044E48

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1b4e37;
/* rgb */ color: rgb(27, 78, 55);
/* oklch */ color: oklch(38.2% 0.068 161.0);

Tailwind

colors: {
  custom: {
    50: '#5d806d',
    500: '#1b4e37',
    950: '#000000',
  },
}

SCSS

$custom: #1b4e37;
$custom-light: #5d806d;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4e37",
  "rgb": {
    "r": 27,
    "g": 78,
    "b": 55
  },
  "hsl": {
    "h": 152.941,
    "s": 48.571,
    "l": 20.588
  },
  "oklch": {
    "l": 0.38237,
    "c": 0.06772,
    "h": 161
  },
  "luminance": 0.05958
}

Semantic roles & 50–950 ramp

primary

#1B4E37

secondary

#84415F

accent

#508DD8

background

#F5F7F6

surface

#E9EEEB

border

#C5C9C6

text

#040A07

muted

#797C7A

Preview Lab

Preview with #1B4E37

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

Preview Lab → · Contrast checker → · Palette generator →