#1F370D#1F370D

#1F370D is a dark, moderate yellow-green. Relative luminance 0.031; OKLCH L 30.6% C 0.072 H 134.3°. Best body text is #FFFFFF at 13.04:1 contrast (WCAG AA passes).

Color values

HEX	#1F370D
RGB	rgb(31, 55, 13)
HSL	hsl(94, 62%, 13%)
HSV	hsv(94, 76%, 22%)
CMYK	cmyk(43.6%, 0%, 76.4%, 78.4%)
CIE-LAB	lab(20.25, -18.14, 22.56)
CIE-LCH	lch(20.25, 28.94, 128.80°)
OKLab	oklab(30.64% -0.0506 0.0519)
OKLCH	oklch(30.64% 0.072 134.3)
XYZ	xyz(2.0039, 3.0526, 0.8643)
Luminance	0.0305 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 7.46

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F370D #250D37

analogous

#34370D #1F370D #0D3710

triadic

#1F370D #0D1F37 #370D1F

tetradic

#1F370D #0D3437 #250D37 #37100D

square

#1F370D #0D3437 #250D37 #37100D

split-complementary

#1F370D #100D37 #370D34

monochromatic

#0E1906 #0E1906 #1F370D #3B6819 #579A24

Accessibility & contrast

On white

13.04

#1F370D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1F370D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F370D

13.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F370D	#FFFFFF	#000000	##FFFFFF
##1F370D	1.00	13.04	1.61	13.04
#FFFFFF	13.04	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393208

Deuteranopia (green-blind)

#363010

Tritanopia (blue-blind)

#1F352E

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1f370d;
/* rgb */ color: rgb(31, 55, 13);
/* oklch */ color: oklch(30.6% 0.072 134.3);

Tailwind

colors: {
  custom: {
    50: '#5d6e4e',
    500: '#1f370d',
    950: '#000000',
  },
}

SCSS

$custom: #1f370d;
$custom-light: #5d6e4e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f370d",
  "rgb": {
    "r": 31,
    "g": 55,
    "b": 13
  },
  "hsl": {
    "h": 94.286,
    "s": 61.765,
    "l": 13.333
  },
  "oklch": {
    "l": 0.30641,
    "c": 0.07248,
    "h": 134.3
  },
  "luminance": 0.03053
}

Semantic roles & 50–950 ramp

primary

#1F370D

secondary

#552D72

accent

#43E59F

background

#F5F6F4

surface

#E9EBE7

border

#C5C6C3

text

#040701

muted

#797A77

Preview Lab

Preview with #1F370D

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

Preview Lab → · Contrast checker → · Palette generator →