#1B5D2B#1B5D2B

#1B5D2B is a dark, moderate green. Relative luminance 0.082; OKLCH L 42.4% C 0.104 H 148.1°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#1B5D2B
RGB	rgb(27, 93, 43)
HSL	hsl(135, 55%, 24%)
HSV	hsv(135, 71%, 36%)
CMYK	cmyk(71%, 0%, 53.8%, 63.5%)
CIE-LAB	lab(34.47, -32.70, 22.70)
CIE-LCH	lch(34.47, 39.80, 145.23°)
OKLab	oklab(42.41% -0.0882 0.055)
OKLCH	oklch(42.41% 0.104 148.1)
XYZ	xyz(4.8020, 8.2356, 3.6216)
Luminance	0.0824 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5D2B #5D1B4D

analogous

#2C5D1B #1B5D2B #1B5D4C

triadic

#1B5D2B #2B1B5D #5D2B1B

tetradic

#1B5D2B #1B2C5D #5D1B4D #5D4C1B

square

#1B5D2B #1B2C5D #5D1B4D #5D4C1B

split-complementary

#1B5D2B #4C1B5D #5D1B2C

monochromatic

#07180B #0D2E15 #1B5D2B #298C41 #37BC57

Accessibility & contrast

On white

7.93

#1B5D2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#1B5D2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5D2B

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5D2B	#FFFFFF	#000000	##FFFFFF
##1B5D2B	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5427

Deuteranopia (green-blind)

#564F2F

Tritanopia (blue-blind)

#035B51

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1b5d2b;
/* rgb */ color: rgb(27, 93, 43);
/* oklch */ color: oklch(42.4% 0.104 148.1);

Tailwind

colors: {
  custom: {
    50: '#618c65',
    500: '#1b5d2b',
    950: '#000000',
  },
}

SCSS

$custom: #1b5d2b;
$custom-light: #618c65;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5d2b",
  "rgb": {
    "r": 27,
    "g": 93,
    "b": 43
  },
  "hsl": {
    "h": 134.545,
    "s": 55,
    "l": 23.529
  },
  "oklch": {
    "l": 0.42406,
    "c": 0.10392,
    "h": 148.1
  },
  "luminance": 0.08236
}

Semantic roles & 50–950 ramp

primary

#1B5D2B

secondary

#93417F

accent

#49BADE

background

#F6F8F6

surface

#EBF0EB

border

#C6CBC6

text

#050C06

muted

#7A7D7A

Preview Lab

Preview with #1B5D2B

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

Preview Lab → · Contrast checker → · Palette generator →