#042B09#042B09

#042B09 is a dark, moderate green. Relative luminance 0.018; OKLCH L 25.3% C 0.073 H 145.2°. Best body text is #FFFFFF at 15.50:1 contrast (WCAG AA passes).

Color values

HEX	#042B09
RGB	rgb(4, 43, 9)
HSL	hsl(128, 83%, 9%)
HSV	hsv(128, 91%, 17%)
CMYK	cmyk(90.7%, 0%, 79.1%, 83.1%)
CIE-LAB	lab(14.25, -22.18, 16.70)
CIE-LCH	lch(14.25, 27.77, 143.02°)
OKLab	oklab(25.34% -0.0598 0.0415)
OKLCH	oklch(25.34% 0.073 145.2)
XYZ	xyz(0.9632, 1.7732, 0.5499)
Luminance	0.0177 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042B09 #2B0426

analogous

#132B04 #042B09 #042B1D

triadic

#042B09 #09042B #2B0904

tetradic

#042B09 #04132B #2B0426 #2B1D04

square

#042B09 #04132B #2B0426 #2B1D04

split-complementary

#042B09 #1D042B #2B0413

monochromatic

#031C06 #031C06 #042B09 #096315 #0E9B20

Accessibility & contrast

On white

15.50

#042B09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#042B09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042B09

15.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042B09	#FFFFFF	#000000	##FFFFFF
##042B09	1.00	15.50	1.35	15.50
#FFFFFF	15.50	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2606

Deuteranopia (green-blind)

#27230C

Tritanopia (blue-blind)

#002A24

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #042b09;
/* rgb */ color: rgb(4, 43, 9);
/* oklch */ color: oklch(25.3% 0.073 145.2);

Tailwind

colors: {
  custom: {
    50: '#4a654b',
    500: '#042b09',
    950: '#000000',
  },
}

SCSS

$custom: #042b09;
$custom-light: #4a654b;
$custom-dark: #000000;

JSON

{
  "hex": "#042b09",
  "rgb": {
    "r": 4,
    "g": 43,
    "b": 9
  },
  "hsl": {
    "h": 127.692,
    "s": 82.979,
    "l": 9.216
  },
  "oklch": {
    "l": 0.25344,
    "c": 0.07285,
    "h": 145.2
  },
  "luminance": 0.01773
}

Semantic roles & 50–950 ramp

primary

#042B09

secondary

#6E1D63

accent

#2EDFF9

background

#F4F6F4

surface

#E7EBE7

border

#C3C6C3

text

#010501

muted

#777A77

Preview Lab

Preview with #042B09

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

Preview Lab → · Contrast checker → · Palette generator →