#1B4D30#1B4D30

#1B4D30 is a dark, moderate green. Relative luminance 0.058; OKLCH L 37.8% C 0.073 H 155.0°. Best body text is #FFFFFF at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#1B4D30
RGB	rgb(27, 77, 48)
HSL	hsl(145, 48%, 20%)
HSV	hsv(145, 65%, 30%)
CMYK	cmyk(64.9%, 0%, 37.7%, 69.8%)
CIE-LAB	lab(28.78, -24.51, 12.35)
CIE-LCH	lch(28.78, 27.44, 153.26°)
OKLab	oklab(37.76% -0.0666 0.0311)
OKLCH	oklch(37.76% 0.073 155)
XYZ	xyz(3.6391, 5.7538, 3.7146)
Luminance	0.0575 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4D30 #4D1B38

analogous

#1F4D1B #1B4D30 #1B4D49

triadic

#1B4D30 #301B4D #4D301B

tetradic

#1B4D30 #1B1F4D #4D1B38 #4D491B

square

#1B4D30 #1B1F4D #4D1B38 #4D491B

split-complementary

#1B4D30 #491B4D #4D1B1F

monochromatic

#08170E #0B2014 #1B4D30 #2B7A4C #3BA868

Accessibility & contrast

On white

9.76

#1B4D30 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#1B4D30 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4D30

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4D30	#FFFFFF	#000000	##FFFFFF
##1B4D30	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)

#4D472E

Deuteranopia (green-blind)

#464232

Tritanopia (blue-blind)

#094C45

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1b4d30;
/* rgb */ color: rgb(27, 77, 48);
/* oklch */ color: oklch(37.8% 0.073 155.0);

Tailwind

colors: {
  custom: {
    50: '#5d7f68',
    500: '#1b4d30',
    950: '#000000',
  },
}

SCSS

$custom: #1b4d30;
$custom-light: #5d7f68;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4d30",
  "rgb": {
    "r": 27,
    "g": 77,
    "b": 48
  },
  "hsl": {
    "h": 145.2,
    "s": 48.077,
    "l": 20.392
  },
  "oklch": {
    "l": 0.37757,
    "c": 0.07347,
    "h": 155
  },
  "luminance": 0.05754
}

Semantic roles & 50–950 ramp

primary

#1B4D30

secondary

#834167

accent

#509FD8

background

#F5F7F6

surface

#E9EEEB

border

#C5C9C6

text

#040A06

muted

#797C7A

Preview Lab

Preview with #1B4D30

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

Preview Lab → · Contrast checker → · Palette generator →