#1B440B#1B440B

#1B440B is a dark, moderate green. Relative luminance 0.044; OKLCH L 34.4% C 0.096 H 138.6°. Best body text is #FFFFFF at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#1B440B
RGB	rgb(27, 68, 11)
HSL	hsl(103, 72%, 15%)
HSV	hsv(103, 84%, 27%)
CMYK	cmyk(60.3%, 0%, 83.8%, 73.3%)
CIE-LAB	lab(24.92, -26.14, 28.29)
CIE-LCH	lch(24.92, 38.52, 132.75°)
OKLab	oklab(34.41% -0.0721 0.0635)
OKLCH	oklch(34.41% 0.096 138.6)
XYZ	xyz(2.5794, 4.3912, 1.0282)
Luminance	0.0439 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Forrest Green

#154406

ΔE00 1.05

Hunter Green (survey)

#0B4008

ΔE00 2.22

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B440B #340B44

analogous

#37440B #1B440B #0B4417

triadic

#1B440B #0B1B44 #440B1B

tetradic

#1B440B #0B3744 #340B44 #44170B

square

#1B440B #0B3744 #340B44 #44170B

split-complementary

#1B440B #170B44 #440B37

monochromatic

#0A1A04 #0A1A04 #1B440B #307914 #45AD1C

Accessibility & contrast

On white

11.18

#1B440B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#1B440B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B440B

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B440B	#FFFFFF	#000000	##FFFFFF
##1B440B	1.00	11.18	1.88	11.18
#FFFFFF	11.18	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463D02

Deuteranopia (green-blind)

#413A11

Tritanopia (blue-blind)

#174139

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1b440b;
/* rgb */ color: rgb(27, 68, 11);
/* oklch */ color: oklch(34.4% 0.096 138.6);

Tailwind

colors: {
  custom: {
    50: '#5d784e',
    500: '#1b440b',
    950: '#000000',
  },
}

SCSS

$custom: #1b440b;
$custom-light: #5d784e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b440b",
  "rgb": {
    "r": 27,
    "g": 68,
    "b": 11
  },
  "hsl": {
    "h": 103.158,
    "s": 72.152,
    "l": 15.49
  },
  "oklch": {
    "l": 0.34413,
    "c": 0.09613,
    "h": 138.6
  },
  "luminance": 0.04391
}

Semantic roles & 50–950 ramp

primary

#1B440B

secondary

#682A81

accent

#39EFBC

background

#F5F7F4

surface

#E9EDE7

border

#C5C8C3

text

#040902

muted

#797B78

Preview Lab

Preview with #1B440B

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

Preview Lab → · Contrast checker → · Palette generator →