#042A2B#042A2B

#042A2B is a dark, muted teal. Relative luminance 0.019; OKLCH L 26.0% C 0.041 H 197.5°. Best body text is #FFFFFF at 15.32:1 contrast (WCAG AA passes).

Color values

HEX	#042A2B
RGB	rgb(4, 42, 43)
HSL	hsl(182, 83%, 9%)
HSV	hsv(182, 91%, 17%)
CMYK	cmyk(90.7%, 2.3%, 0%, 83.1%)
CIE-LAB	lab(14.71, -12.38, -4.45)
CIE-LCH	lch(14.71, 13.16, 199.76°)
OKLab	oklab(26.01% -0.0391 -0.0124)
OKLCH	oklch(26.01% 0.041 197.5)
XYZ	xyz(1.3139, 1.8560, 2.5740)
Luminance	0.0186 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042A2B #2B0504

analogous

#042B19 #042A2B #04172B

triadic

#042A2B #2B042A #2A2B04

tetradic

#042A2B #19042B #2B0504 #172B04

square

#042A2B #19042B #2B0504 #172B04

split-complementary

#042A2B #2B0417 #2B1904

monochromatic

#031B1C #031B1C #042A2B #096163 #0E979B

Accessibility & contrast

On white

15.32

#042A2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#042A2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042A2B

15.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042A2B	#FFFFFF	#000000	##FFFFFF
##042A2B	1.00	15.32	1.37	15.32
#FFFFFF	15.32	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26272B

Deuteranopia (green-blind)

#21232B

Tritanopia (blue-blind)

#002C2A

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #042a2b;
/* rgb */ color: rgb(4, 42, 43);
/* oklch */ color: oklch(26.0% 0.041 197.5);

Tailwind

colors: {
  custom: {
    50: '#4c6364',
    500: '#042a2b',
    950: '#000000',
  },
}

SCSS

$custom: #042a2b;
$custom-light: #4c6364;
$custom-dark: #000000;

JSON

{
  "hex": "#042a2b",
  "rgb": {
    "r": 4,
    "g": 42,
    "b": 43
  },
  "hsl": {
    "h": 181.538,
    "s": 82.979,
    "l": 9.216
  },
  "oklch": {
    "l": 0.2601,
    "c": 0.041,
    "h": 197.5
  },
  "luminance": 0.01856
}

Semantic roles & 50–950 ramp

primary

#042A2B

secondary

#6E1F1D

accent

#342EF9

background

#F4F5F5

surface

#E7EAEA

border

#C3C6C6

text

#010505

muted

#777979

Preview Lab

Preview with #042A2B

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

Preview Lab → · Contrast checker → · Palette generator →