#1F331F#1F331F

#1F331F is a dark, muted green. Relative luminance 0.028; OKLCH L 29.8% C 0.044 H 144.4°. Best body text is #FFFFFF at 13.53:1 contrast (WCAG AA passes).

Color values

HEX	#1F331F
RGB	rgb(31, 51, 31)
HSL	hsl(120, 24%, 16%)
HSV	hsv(120, 39%, 20%)
CMYK	cmyk(39.2%, 0%, 39.2%, 80%)
CIE-LAB	lab(19.05, -13.11, 10.21)
CIE-LCH	lch(19.05, 16.62, 142.09°)
OKLab	oklab(29.75% -0.0358 0.0256)
OKLCH	oklch(29.75% 0.044 144.4)
XYZ	xyz(1.9961, 2.7578, 1.7232)
Luminance	0.0276 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

#0B4008

ΔE00 10.80

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F331F #331F33

analogous

#29331F #1F331F #1F3329

triadic

#1F331F #1F1F33 #331F1F

tetradic

#1F331F #1F2933 #331F33 #33291F

square

#1F331F #1F2933 #331F33 #33291F

split-complementary

#1F331F #291F33 #331F29

monochromatic

#0C130C #0C130C #1F331F #365936 #4D7F4D

Accessibility & contrast

On white

13.53

#1F331F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1F331F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F331F

13.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F331F	#FFFFFF	#000000	##FFFFFF
##1F331F	1.00	13.53	1.55	13.53
#FFFFFF	13.53	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#342F1E

Deuteranopia (green-blind)

#312D20

Tritanopia (blue-blind)

#1D322E

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1f331f;
/* rgb */ color: rgb(31, 51, 31);
/* oklch */ color: oklch(29.8% 0.044 144.4);

Tailwind

colors: {
  custom: {
    50: '#5b6a5a',
    500: '#1f331f',
    950: '#000000',
  },
}

SCSS

$custom: #1f331f;
$custom-light: #5b6a5a;
$custom-dark: #000000;

JSON

{
  "hex": "#1f331f",
  "rgb": {
    "r": 31,
    "g": 51,
    "b": 31
  },
  "hsl": {
    "h": 120,
    "s": 24.39,
    "l": 16.078
  },
  "oklch": {
    "l": 0.29753,
    "c": 0.044,
    "h": 144.4
  },
  "luminance": 0.02758
}

Semantic roles & 50–950 ramp

primary

#1F331F

secondary

#664866

accent

#67C1C1

background

#F5F6F5

surface

#E9EBE9

border

#C5C6C5

text

#040604

muted

#797A79

Preview Lab

Preview with #1F331F

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

Preview Lab → · Contrast checker → · Palette generator →