#1B4D2A#1B4D2A

#1B4D2A is a dark, moderate green. Relative luminance 0.057; OKLCH L 37.6% C 0.080 H 150.6°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#1B4D2A
RGB	rgb(27, 77, 42)
HSL	hsl(138, 48%, 20%)
HSV	hsv(138, 65%, 30%)
CMYK	cmyk(64.9%, 0%, 45.5%, 69.8%)
CIE-LAB	lab(28.66, -25.79, 15.89)
CIE-LCH	lch(28.66, 30.30, 148.36°)
OKLab	oklab(37.62% -0.0698 0.0394)
OKLCH	oklch(37.62% 0.08 150.6)
XYZ	xyz(3.5235, 5.7076, 3.1060)
Luminance	0.0571 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4D2A #4D1B3E

analogous

#254D1B #1B4D2A #1B4D43

triadic

#1B4D2A #2A1B4D #4D2A1B

tetradic

#1B4D2A #1B254D #4D1B3E #4D431B

square

#1B4D2A #1B254D #4D1B3E #4D431B

split-complementary

#1B4D2A #431B4D #4D1B25

monochromatic

#08170C #0B2011 #1B4D2A #2B7A43 #3BA85B

Accessibility & contrast

On white

9.81

#1B4D2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#1B4D2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4D2A

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4D2A	#FFFFFF	#000000	##FFFFFF
##1B4D2A	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4627

Deuteranopia (green-blind)

#47422C

Tritanopia (blue-blind)

#0D4C44

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1b4d2a;
/* rgb */ color: rgb(27, 77, 42);
/* oklch */ color: oklch(37.6% 0.080 150.6);

Tailwind

colors: {
  custom: {
    50: '#5d7f64',
    500: '#1b4d2a',
    950: '#000000',
  },
}

SCSS

$custom: #1b4d2a;
$custom-light: #5d7f64;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4d2a",
  "rgb": {
    "r": 27,
    "g": 77,
    "b": 42
  },
  "hsl": {
    "h": 138,
    "s": 48.077,
    "l": 20.392
  },
  "oklch": {
    "l": 0.37619,
    "c": 0.08012,
    "h": 150.6
  },
  "luminance": 0.05708
}

Semantic roles & 50–950 ramp

primary

#1B4D2A

secondary

#83416F

accent

#50AFD8

background

#F5F7F5

surface

#E9EEEA

border

#C5C9C6

text

#040A05

muted

#797C79

Preview Lab

Preview with #1B4D2A

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

Preview Lab → · Contrast checker → · Palette generator →