#1F511A#1F511A

#1F511A is a dark, moderate green. Relative luminance 0.063; OKLCH L 38.7% C 0.101 H 141.8°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#1F511A
RGB	rgb(31, 81, 26)
HSL	hsl(115, 51%, 21%)
HSV	hsv(115, 68%, 32%)
CMYK	cmyk(61.7%, 0%, 67.9%, 68.2%)
CIE-LAB	lab(30.04, -29.07, 26.70)
CIE-LCH	lch(30.04, 39.47, 137.43°)
OKLab	oklab(38.71% -0.0793 0.0623)
OKLCH	oklch(38.71% 0.101 141.8)
XYZ	xyz(3.6938, 6.2504, 1.9889)
Luminance	0.0625 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Forest Green (survey)

#06470C

ΔE00 3.67

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F511A #4C1A51

analogous

#3A511A #1F511A #1A5130

triadic

#1F511A #1A1F51 #511A1F

tetradic

#1F511A #1A3A51 #4C1A51 #51301A

square

#1F511A #1A3A51 #4C1A51 #51301A

split-complementary

#1F511A #301A51 #511A3A

monochromatic

#091707 #0D230B #1F511A #317F29 #42AE38

Accessibility & contrast

On white

9.33

#1F511A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#1F511A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F511A

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F511A	#FFFFFF	#000000	##FFFFFF
##1F511A	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534914

Deuteranopia (green-blind)

#4D451F

Tritanopia (blue-blind)

#184E45

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1f511a;
/* rgb */ color: rgb(31, 81, 26);
/* oklch */ color: oklch(38.7% 0.101 141.8);

Tailwind

colors: {
  custom: {
    50: '#618259',
    500: '#1f511a',
    950: '#000000',
  },
}

SCSS

$custom: #1f511a;
$custom-light: #618259;
$custom-dark: #000000;

JSON

{
  "hex": "#1f511a",
  "rgb": {
    "r": 31,
    "g": 81,
    "b": 26
  },
  "hsl": {
    "h": 114.545,
    "s": 51.402,
    "l": 20.98
  },
  "oklch": {
    "l": 0.38714,
    "c": 0.10082,
    "h": 141.8
  },
  "luminance": 0.06251
}

Semantic roles & 50–950 ramp

primary

#1F511A

secondary

#814087

accent

#4DDBCE

background

#F5F8F5

surface

#EAEFE9

border

#C6CAC5

text

#050A03

muted

#797C78

Preview Lab

Preview with #1F511A

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

Preview Lab → · Contrast checker → · Palette generator →