#042C1B#042C1B

#042C1B is a dark, muted teal. Relative luminance 0.019; OKLCH L 26.1% C 0.054 H 160.4°. Best body text is #FFFFFF at 15.20:1 contrast (WCAG AA passes).

Color values

HEX	#042C1B
RGB	rgb(4, 44, 27)
HSL	hsl(155, 83%, 9%)
HSV	hsv(155, 91%, 17%)
CMYK	cmyk(90.9%, 0%, 38.6%, 82.7%)
CIE-LAB	lab(14.99, -18.83, 7.20)
CIE-LCH	lch(14.99, 20.16, 159.06°)
OKLab	oklab(26.06% -0.0512 0.0183)
OKLCH	oklch(26.06% 0.054 160.4)
XYZ	xyz(1.1485, 1.9062, 1.3441)
Luminance	0.0191 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Hunter Green (survey)

#0B4008

ΔE00 11.97

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042C1B #2C0415

analogous

#042C07 #042C1B #04292C

triadic

#042C1B #1B042C #2C1B04

tetradic

#042C1B #07042C #2C0415 #292C04

square

#042C1B #07042C #2C0415 #292C04

split-complementary

#042C1B #2C0429 #2C0704

monochromatic

#031C11 #031C11 #042C1B #09643D #0E9C60

Accessibility & contrast

On white

15.20

#042C1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#042C1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042C1B

15.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042C1B	#FFFFFF	#000000	##FFFFFF
##042C1B	1.00	15.20	1.38	15.20
#FFFFFF	15.20	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B281A

Deuteranopia (green-blind)

#26241C

Tritanopia (blue-blind)

#002C27

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #042c1b;
/* rgb */ color: rgb(4, 44, 27);
/* oklch */ color: oklch(26.1% 0.054 160.4);

Tailwind

colors: {
  custom: {
    50: '#4b6557',
    500: '#042c1b',
    950: '#000000',
  },
}

SCSS

$custom: #042c1b;
$custom-light: #4b6557;
$custom-dark: #000000;

JSON

{
  "hex": "#042c1b",
  "rgb": {
    "r": 4,
    "g": 44,
    "b": 27
  },
  "hsl": {
    "h": 154.5,
    "s": 83.333,
    "l": 9.412
  },
  "oklch": {
    "l": 0.26061,
    "c": 0.05436,
    "h": 160.4
  },
  "luminance": 0.01906
}

Semantic roles & 50–950 ramp

primary

#042C1B

secondary

#6F1D40

accent

#2E85FA

background

#F4F6F5

surface

#E7EBE9

border

#C3C6C5

text

#010503

muted

#777A78

Preview Lab

Preview with #042C1B

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

Preview Lab → · Contrast checker → · Palette generator →