#042F0B#042F0B

#042F0B is a dark, moderate green. Relative luminance 0.021; OKLCH L 26.7% C 0.077 H 145.7°. Best body text is #FFFFFF at 14.82:1 contrast (WCAG AA passes).

Color values

HEX	#042F0B
RGB	rgb(4, 47, 11)
HSL	hsl(130, 84%, 10%)
HSV	hsv(130, 91%, 18%)
CMYK	cmyk(91.5%, 0%, 76.6%, 81.6%)
CIE-LAB	lab(15.92, -23.56, 18.01)
CIE-LCH	lch(15.92, 29.66, 142.60°)
OKLab	oklab(26.74% -0.0635 0.0434)
OKLCH	oklch(26.74% 0.077 145.7)
XYZ	xyz(1.1269, 2.0829, 0.6592)
Luminance	0.0208 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042F0B #2F0428

analogous

#132F04 #042F0B #042F20

triadic

#042F0B #0B042F #2F0B04

tetradic

#042F0B #04132F #2F0428 #2F2004

square

#042F0B #04132F #2F0428 #2F2004

split-complementary

#042F0B #20042F #2F0413

monochromatic

#021C07 #021C07 #042F0B #096718 #0EA025

Accessibility & contrast

On white

14.82

#042F0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#042F0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042F0B

14.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042F0B	#FFFFFF	#000000	##FFFFFF
##042F0B	1.00	14.82	1.42	14.82
#FFFFFF	14.82	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302A07

Deuteranopia (green-blind)

#2B260E

Tritanopia (blue-blind)

#002E27

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #042f0b;
/* rgb */ color: rgb(4, 47, 11);
/* oklch */ color: oklch(26.7% 0.077 145.7);

Tailwind

colors: {
  custom: {
    50: '#4c684c',
    500: '#042f0b',
    950: '#000000',
  },
}

SCSS

$custom: #042f0b;
$custom-light: #4c684c;
$custom-dark: #000000;

JSON

{
  "hex": "#042f0b",
  "rgb": {
    "r": 4,
    "g": 47,
    "b": 11
  },
  "hsl": {
    "h": 129.767,
    "s": 84.314,
    "l": 10
  },
  "oklch": {
    "l": 0.26736,
    "c": 0.07688,
    "h": 145.7
  },
  "luminance": 0.02083
}

Semantic roles & 50–950 ramp

primary

#042F0B

secondary

#721D64

accent

#2DD9FB

background

#F4F6F4

surface

#E7EBE7

border

#C3C6C3

text

#010601

muted

#777A77

Preview Lab

Preview with #042F0B

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

Preview Lab → · Contrast checker → · Palette generator →