#042B28#042B28

#042B28 is a dark, muted teal. Relative luminance 0.019; OKLCH L 26.2% C 0.042 H 187.3°. Best body text is #FFFFFF at 15.20:1 contrast (WCAG AA passes).

Color values

HEX	#042B28
RGB	rgb(4, 43, 40)
HSL	hsl(175, 83%, 9%)
HSV	hsv(175, 91%, 17%)
CMYK	cmyk(90.7%, 0%, 7%, 83.1%)
CIE-LAB	lab(14.99, -14.10, -1.91)
CIE-LCH	lch(14.99, 14.23, 187.72°)
OKLab	oklab(26.2% -0.0421 -0.0054)
OKLCH	oklch(26.2% 0.042 187.3)
XYZ	xyz(1.2968, 1.9066, 2.3067)
Luminance	0.0191 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042B28 #2B0407

analogous

#042B15 #042B28 #041B2B

triadic

#042B28 #28042B #2B2804

tetradic

#042B28 #15042B #2B0407 #1B2B04

square

#042B28 #15042B #2B0407 #1B2B04

split-complementary

#042B28 #2B041B #2B1504

monochromatic

#031C1A #031C1A #042B28 #09635C #0E9B90

Accessibility & contrast

On white

15.20

#042B28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#042B28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042B28

15.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042B28	#FFFFFF	#000000	##FFFFFF
##042B28	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)

#282828

Deuteranopia (green-blind)

#232428

Tritanopia (blue-blind)

#002C2A

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #042b28;
/* rgb */ color: rgb(4, 43, 40);
/* oklch */ color: oklch(26.2% 0.042 187.3);

Tailwind

colors: {
  custom: {
    50: '#4c6461',
    500: '#042b28',
    950: '#000000',
  },
}

SCSS

$custom: #042b28;
$custom-light: #4c6461;
$custom-dark: #000000;

JSON

{
  "hex": "#042b28",
  "rgb": {
    "r": 4,
    "g": 43,
    "b": 40
  },
  "hsl": {
    "h": 175.385,
    "s": 82.979,
    "l": 9.216
  },
  "oklch": {
    "l": 0.26196,
    "c": 0.04242,
    "h": 187.3
  },
  "luminance": 0.01907
}

Semantic roles & 50–950 ramp

primary

#042B28

secondary

#6E1D23

accent

#2E3EF9

background

#F4F6F5

surface

#E7EBE9

border

#C3C6C5

text

#010505

muted

#777A79

Preview Lab

Preview with #042B28

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

Preview Lab → · Contrast checker → · Palette generator →