#042B31#042B31

#042B31 is a dark, muted teal. Relative luminance 0.020; OKLCH L 26.6% C 0.043 H 210.1°. Best body text is #FFFFFF at 15.05:1 contrast (WCAG AA passes).

Color values

HEX	#042B31
RGB	rgb(4, 43, 49)
HSL	hsl(188, 85%, 10%)
HSV	hsv(188, 92%, 19%)
CMYK	cmyk(91.8%, 12.2%, 0%, 80.8%)
CIE-LAB	lab(15.36, -10.63, -7.72)
CIE-LCH	lch(15.36, 13.14, 215.96°)
OKLab	oklab(26.62% -0.0371 -0.0215)
OKLCH	oklch(26.62% 0.043 210.1)
XYZ	xyz(1.4681, 1.9751, 3.2090)
Luminance	0.0198 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042B31 #310A04

analogous

#043120 #042B31 #041431

triadic

#042B31 #31042B #2B3104

tetradic

#042B31 #200431 #310A04 #143104

square

#042B31 #200431 #310A04 #143104

split-complementary

#042B31 #310414 #312004

monochromatic

#02191C #02191C #042B31 #095D6A #0D8EA2

Accessibility & contrast

On white

15.05

#042B31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#042B31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042B31

15.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042B31	#FFFFFF	#000000	##FFFFFF
##042B31	1.00	15.05	1.40	15.05
#FFFFFF	15.05	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262931

Deuteranopia (green-blind)

#202431

Tritanopia (blue-blind)

#002E2D

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #042b31;
/* rgb */ color: rgb(4, 43, 49);
/* oklch */ color: oklch(26.6% 0.043 210.1);

Tailwind

colors: {
  custom: {
    50: '#4d6469',
    500: '#042b31',
    950: '#000000',
  },
}

SCSS

$custom: #042b31;
$custom-light: #4d6469;
$custom-dark: #000000;

JSON

{
  "hex": "#042b31",
  "rgb": {
    "r": 4,
    "g": 43,
    "b": 49
  },
  "hsl": {
    "h": 188,
    "s": 84.906,
    "l": 10.392
  },
  "oklch": {
    "l": 0.26616,
    "c": 0.04285,
    "h": 210.1
  },
  "luminance": 0.01975
}

Semantic roles & 50–950 ramp

primary

#042B31

secondary

#73291D

accent

#482DFB

background

#F4F6F6

surface

#E7EBEB

border

#C3C6C6

text

#020506

muted

#787A7A

Preview Lab

Preview with #042B31

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

Preview Lab → · Contrast checker → · Palette generator →