#1B5C2A#1B5C2A

#1B5C2A is a dark, moderate green. Relative luminance 0.081; OKLCH L 42.1% C 0.103 H 147.8°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#1B5C2A
RGB	rgb(27, 92, 42)
HSL	hsl(134, 55%, 23%)
HSV	hsv(134, 71%, 36%)
CMYK	cmyk(70.7%, 0%, 54.3%, 63.9%)
CIE-LAB	lab(34.10, -32.45, 22.80)
CIE-LCH	lch(34.10, 39.66, 144.91°)
OKLab	oklab(42.09% -0.0875 0.0552)
OKLCH	oklch(42.09% 0.103 147.8)
XYZ	xyz(4.6967, 8.0540, 3.4971)
Luminance	0.0805 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5C2A #5C1B4D

analogous

#2C5C1B #1B5C2A #1B5C4A

triadic

#1B5C2A #2A1B5C #5C2A1B

tetradic

#1B5C2A #1B2C5C #5C1B4D #5C4A1B

square

#1B5C2A #1B2C5C #5C1B4D #5C4A1B

split-complementary

#1B5C2A #4A1B5C #5C1B2C

monochromatic

#07180B #0D2D14 #1B5C2A #298B40 #37BB55

Accessibility & contrast

On white

8.04

#1B5C2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#1B5C2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5C2A

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5C2A	#FFFFFF	#000000	##FFFFFF
##1B5C2A	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5426

Deuteranopia (green-blind)

#554E2E

Tritanopia (blue-blind)

#055A50

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1b5c2a;
/* rgb */ color: rgb(27, 92, 42);
/* oklch */ color: oklch(42.1% 0.103 147.8);

Tailwind

colors: {
  custom: {
    50: '#618b64',
    500: '#1b5c2a',
    950: '#000000',
  },
}

SCSS

$custom: #1b5c2a;
$custom-light: #618b64;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5c2a",
  "rgb": {
    "r": 27,
    "g": 92,
    "b": 42
  },
  "hsl": {
    "h": 133.846,
    "s": 54.622,
    "l": 23.333
  },
  "oklch": {
    "l": 0.42093,
    "c": 0.10346,
    "h": 147.8
  },
  "luminance": 0.08054
}

Semantic roles & 50–950 ramp

primary

#1B5C2A

secondary

#92417F

accent

#4ABCDE

background

#F6F8F6

surface

#EBF0EB

border

#C6CBC6

text

#050C05

muted

#7A7D7A

Preview Lab

Preview with #1B5C2A

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

Preview Lab → · Contrast checker → · Palette generator →