#042B01#042B01

#042B01 is a dark, moderate green. Relative luminance 0.018; OKLCH L 25.2% C 0.082 H 141.4°. Best body text is #FFFFFF at 15.54:1 contrast (WCAG AA passes).

Color values

HEX	#042B01
RGB	rgb(4, 43, 1)
HSL	hsl(116, 95%, 9%)
HSV	hsv(116, 98%, 17%)
CMYK	cmyk(90.7%, 0%, 97.7%, 83.1%)
CIE-LAB	lab(14.15, -23.42, 19.83)
CIE-LCH	lch(14.15, 30.68, 139.74°)
OKLab	oklab(25.23% -0.0639 0.0509)
OKLCH	oklch(25.23% 0.082 141.4)
XYZ	xyz(0.9194, 1.7556, 0.3191)
Luminance	0.0176 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042B01 #28012B

analogous

#192B01 #042B01 #012B13

triadic

#042B01 #01042B #2B0104

tetradic

#042B01 #01192B #28012B #2B1301

square

#042B01 #01192B #28012B #2B1301

split-complementary

#042B01 #13012B #2B0119

monochromatic

#031E01 #031E01 #042B01 #0A6702 #0FA304

Accessibility & contrast

On white

15.54

#042B01 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#042B01 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042B01

15.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042B01	#FFFFFF	#000000	##FFFFFF
##042B01	1.00	15.54	1.35	15.54
#FFFFFF	15.54	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2600

Deuteranopia (green-blind)

#282304

Tritanopia (blue-blind)

#002923

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #042b01;
/* rgb */ color: rgb(4, 43, 1);
/* oklch */ color: oklch(25.2% 0.082 141.4);

Tailwind

colors: {
  custom: {
    50: '#4a6547',
    500: '#042b01',
    950: '#000000',
  },
}

SCSS

$custom: #042b01;
$custom-light: #4a6547;
$custom-dark: #000000;

JSON

{
  "hex": "#042b01",
  "rgb": {
    "r": 4,
    "g": 43,
    "b": 1
  },
  "hsl": {
    "h": 115.714,
    "s": 95.455,
    "l": 8.627
  },
  "oklch": {
    "l": 0.25229,
    "c": 0.08171,
    "h": 141.4
  },
  "luminance": 0.01756
}

Semantic roles & 50–950 ramp

primary

#042B01

secondary

#6B1771

accent

#29FFF0

background

#F4F6F4

surface

#E7EBE6

border

#C3C6C2

text

#010500

muted

#777A77

Preview Lab

Preview with #042B01

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

Preview Lab → · Contrast checker → · Palette generator →