#1F3404#1F3404

#1F3404 is a dark, moderate yellow-green. Relative luminance 0.028; OKLCH L 29.6% C 0.076 H 130.8°. Best body text is #FFFFFF at 13.54:1 contrast (WCAG AA passes).

Color values

HEX	#1F3404
RGB	rgb(31, 52, 4)
HSL	hsl(86, 86%, 11%)
HSV	hsv(86, 92%, 20%)
CMYK	cmyk(40.4%, 0%, 92.3%, 79.6%)
CIE-LAB	lab(19.04, -17.39, 24.94)
CIE-LCH	lch(19.04, 30.40, 124.88°)
OKLab	oklab(29.62% -0.0495 0.0573)
OKLCH	oklch(29.62% 0.076 130.8)
XYZ	xyz(1.8150, 2.7560, 0.5512)
Luminance	0.0276 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F3404 #190434

analogous

#343104 #1F3404 #073404

triadic

#1F3404 #041F34 #34041F

tetradic

#1F3404 #043431 #190434 #340407

square

#1F3404 #043431 #190434 #340407

split-complementary

#1F3404 #040734 #310434

monochromatic

#111C02 #111C02 #1F3404 #416D08 #63A60D

Accessibility & contrast

On white

13.54

#1F3404 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1F3404 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F3404

13.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F3404	#FFFFFF	#000000	##FFFFFF
##1F3404	1.00	13.54	1.55	13.54
#FFFFFF	13.54	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#372F00

Deuteranopia (green-blind)

#342E08

Tritanopia (blue-blind)

#20312B

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1f3404;
/* rgb */ color: rgb(31, 52, 4);
/* oklch */ color: oklch(29.6% 0.076 130.8);

Tailwind

colors: {
  custom: {
    50: '#5d6b49',
    500: '#1f3404',
    950: '#000000',
  },
}

SCSS

$custom: #1f3404;
$custom-light: #5d6b49;
$custom-dark: #000000;

JSON

{
  "hex": "#1f3404",
  "rgb": {
    "r": 31,
    "g": 52,
    "b": 4
  },
  "hsl": {
    "h": 86.25,
    "s": 85.714,
    "l": 10.98
  },
  "oklch": {
    "l": 0.29623,
    "c": 0.0757,
    "h": 130.8
  },
  "luminance": 0.02756
}

Semantic roles & 50–950 ramp

primary

#1F3404

secondary

#441E76

accent

#2CFC87

background

#F5F6F4

surface

#E9EBE7

border

#C5C6C3

text

#040601

muted

#797A77

Preview Lab

Preview with #1F3404

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

Preview Lab → · Contrast checker → · Palette generator →