#1B4D31#1B4D31

#1B4D31 is a dark, moderate green. Relative luminance 0.058; OKLCH L 37.8% C 0.072 H 155.8°. Best body text is #FFFFFF at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#1B4D31
RGB	rgb(27, 77, 49)
HSL	hsl(146, 48%, 20%)
HSV	hsv(146, 65%, 30%)
CMYK	cmyk(64.9%, 0%, 36.4%, 69.8%)
CIE-LAB	lab(28.80, -24.28, 11.75)
CIE-LCH	lch(28.80, 26.97, 154.18°)
OKLab	oklab(37.78% -0.066 0.0296)
OKLCH	oklch(37.78% 0.072 155.8)
XYZ	xyz(3.6599, 5.7622, 3.8245)
Luminance	0.0576 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4D31 #4D1B37

analogous

#1E4D1B #1B4D31 #1B4D4A

triadic

#1B4D31 #311B4D #4D311B

tetradic

#1B4D31 #1B1E4D #4D1B37 #4D4A1B

square

#1B4D31 #1B1E4D #4D1B37 #4D4A1B

split-complementary

#1B4D31 #4A1B4D #4D1B1E

monochromatic

#08170E #0B2014 #1B4D31 #2B7A4E #3BA86B

Accessibility & contrast

On white

9.76

#1B4D31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#1B4D31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4D31

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4D31	#FFFFFF	#000000	##FFFFFF
##1B4D31	1.00	9.76	2.15	9.76
#FFFFFF	9.76	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D472F

Deuteranopia (green-blind)

#464233

Tritanopia (blue-blind)

#084C46

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1b4d31;
/* rgb */ color: rgb(27, 77, 49);
/* oklch */ color: oklch(37.8% 0.072 155.8);

Tailwind

colors: {
  custom: {
    50: '#5d7f69',
    500: '#1b4d31',
    950: '#000000',
  },
}

SCSS

$custom: #1b4d31;
$custom-light: #5d7f69;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4d31",
  "rgb": {
    "r": 27,
    "g": 77,
    "b": 49
  },
  "hsl": {
    "h": 146.4,
    "s": 48.077,
    "l": 20.392
  },
  "oklch": {
    "l": 0.37782,
    "c": 0.07238,
    "h": 155.8
  },
  "luminance": 0.05763
}

Semantic roles & 50–950 ramp

primary

#1B4D31

secondary

#834166

accent

#509CD8

background

#F5F7F6

surface

#E9EEEB

border

#C5C9C6

text

#040A06

muted

#797C7A

Preview Lab

Preview with #1B4D31

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

Preview Lab → · Contrast checker → · Palette generator →