#1B522B#1B522B

#1B522B is a dark, moderate green. Relative luminance 0.064; OKLCH L 39.1% C 0.087 H 150.0°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#1B522B
RGB	rgb(27, 82, 43)
HSL	hsl(137, 50%, 21%)
HSV	hsv(137, 67%, 32%)
CMYK	cmyk(67.1%, 0%, 47.6%, 67.8%)
CIE-LAB	lab(30.50, -27.90, 17.67)
CIE-LCH	lch(30.50, 33.03, 147.65°)
OKLab	oklab(39.14% -0.0754 0.0435)
OKLCH	oklch(39.14% 0.087 150)
XYZ	xyz(3.9050, 6.4416, 3.3226)
Luminance	0.0644 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B522B #521B42

analogous

#27521B #1B522B #1B5247

triadic

#1B522B #2B1B52 #522B1B

tetradic

#1B522B #1B2752 #521B42 #52471B

square

#1B522B #1B2752 #521B42 #52471B

split-complementary

#1B522B #471B52 #521B27

monochromatic

#08170C #0C2413 #1B522B #2A8043 #39AE5B

Accessibility & contrast

On white

9.18

#1B522B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#1B522B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B522B

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B522B	#FFFFFF	#000000	##FFFFFF
##1B522B	1.00	9.18	2.29	9.18
#FFFFFF	9.18	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534B28

Deuteranopia (green-blind)

#4B462E

Tritanopia (blue-blind)

#0A5049

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1b522b;
/* rgb */ color: rgb(27, 82, 43);
/* oklch */ color: oklch(39.1% 0.087 150.0);

Tailwind

colors: {
  custom: {
    50: '#5e8365',
    500: '#1b522b',
    950: '#000000',
  },
}

SCSS

$custom: #1b522b;
$custom-light: #5e8365;
$custom-dark: #000000;

JSON

{
  "hex": "#1b522b",
  "rgb": {
    "r": 27,
    "g": 82,
    "b": 43
  },
  "hsl": {
    "h": 137.455,
    "s": 50.459,
    "l": 21.373
  },
  "oklch": {
    "l": 0.39136,
    "c": 0.08705,
    "h": 150
  },
  "luminance": 0.06442
}

Semantic roles & 50–950 ramp

primary

#1B522B

secondary

#884173

accent

#4EB1DA

background

#F5F8F6

surface

#E9EFEB

border

#C5CAC6

text

#050A05

muted

#797C7A

Preview Lab

Preview with #1B522B

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

Preview Lab → · Contrast checker → · Palette generator →