#1B4B2F#1B4B2F

#1B4B2F is a dark, moderate green. Relative luminance 0.055; OKLCH L 37.1% C 0.071 H 155.0°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#1B4B2F
RGB	rgb(27, 75, 47)
HSL	hsl(145, 47%, 20%)
HSV	hsv(145, 64%, 29%)
CMYK	cmyk(64%, 0%, 37.3%, 70.6%)
CIE-LAB	lab(28.03, -23.76, 11.96)
CIE-LCH	lch(28.03, 26.60, 153.28°)
OKLab	oklab(37.14% -0.0646 0.0301)
OKLCH	oklch(37.14% 0.071 155)
XYZ	xyz(3.4809, 5.4701, 3.5612)
Luminance	0.0547 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4B2F #4B1B37

analogous

#1F4B1B #1B4B2F #1B4B47

triadic

#1B4B2F #2F1B4B #4B2F1B

tetradic

#1B4B2F #1B1F4B #4B1B37 #4B471B

square

#1B4B2F #1B1F4B #4B1B37 #4B471B

split-complementary

#1B4B2F #471B4B #4B1B1F

monochromatic

#08170E #0B1E13 #1B4B2F #2B784B #3BA567

Accessibility & contrast

On white

10.03

#1B4B2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#1B4B2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4B2F

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4B2F	#FFFFFF	#000000	##FFFFFF
##1B4B2F	1.00	10.03	2.09	10.03
#FFFFFF	10.03	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B452D

Deuteranopia (green-blind)

#444031

Tritanopia (blue-blind)

#0B4A44

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1b4b2f;
/* rgb */ color: rgb(27, 75, 47);
/* oklch */ color: oklch(37.1% 0.071 155.0);

Tailwind

colors: {
  custom: {
    50: '#5d7e67',
    500: '#1b4b2f',
    950: '#000000',
  },
}

SCSS

$custom: #1b4b2f;
$custom-light: #5d7e67;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4b2f",
  "rgb": {
    "r": 27,
    "g": 75,
    "b": 47
  },
  "hsl": {
    "h": 145,
    "s": 47.059,
    "l": 20
  },
  "oklch": {
    "l": 0.37137,
    "c": 0.07126,
    "h": 155
  },
  "luminance": 0.0547
}

Semantic roles & 50–950 ramp

primary

#1B4B2F

secondary

#814166

accent

#519FD7

background

#F5F7F6

surface

#E9EEEB

border

#C5C9C6

text

#040A06

muted

#797C7A

Preview Lab

Preview with #1B4B2F

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

Preview Lab → · Contrast checker → · Palette generator →