#1B4A2D#1B4A2D

#1B4A2D is a dark, moderate green. Relative luminance 0.053; OKLCH L 36.8% C 0.072 H 153.7°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#1B4A2D
RGB	rgb(27, 74, 45)
HSL	hsl(143, 47%, 20%)
HSV	hsv(143, 64%, 29%)
CMYK	cmyk(63.5%, 0%, 39.2%, 71%)
CIE-LAB	lab(27.63, -23.72, 12.67)
CIE-LCH	lch(27.63, 26.89, 151.89°)
OKLab	oklab(36.79% -0.0644 0.0318)
OKLCH	oklch(36.79% 0.072 153.7)
XYZ	xyz(3.3742, 5.3197, 3.3311)
Luminance	0.0532 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4A2D #4A1B38

analogous

#204A1B #1B4A2D #1B4A45

triadic

#1B4A2D #2D1B4A #4A2D1B

tetradic

#1B4A2D #1B204A #4A1B38 #4A451B

square

#1B4A2D #1B204A #4A1B38 #4A451B

split-complementary

#1B4A2D #451B4A #4A1B20

monochromatic

#08160E #0B1D12 #1B4A2D #2B7748 #3CA464

Accessibility & contrast

On white

10.17

#1B4A2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#1B4A2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4A2D

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4A2D	#FFFFFF	#000000	##FFFFFF
##1B4A2D	1.00	10.17	2.06	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A442B

Deuteranopia (green-blind)

#443F2F

Tritanopia (blue-blind)

#0C4943

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1b4a2d;
/* rgb */ color: rgb(27, 74, 45);
/* oklch */ color: oklch(36.8% 0.072 153.7);

Tailwind

colors: {
  custom: {
    50: '#5c7d66',
    500: '#1b4a2d',
    950: '#000000',
  },
}

SCSS

$custom: #1b4a2d;
$custom-light: #5c7d66;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4a2d",
  "rgb": {
    "r": 27,
    "g": 74,
    "b": 45
  },
  "hsl": {
    "h": 142.979,
    "s": 46.535,
    "l": 19.804
  },
  "oklch": {
    "l": 0.36789,
    "c": 0.07181,
    "h": 153.7
  },
  "luminance": 0.0532
}

Semantic roles & 50–950 ramp

primary

#1B4A2D

secondary

#804168

accent

#52A3D6

background

#F5F7F6

surface

#E9EEEB

border

#C5C9C6

text

#040906

muted

#797B7A

Preview Lab

Preview with #1B4A2D

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

Preview Lab → · Contrast checker → · Palette generator →