#042A31#042A31

#042A31 is a dark, muted teal. Relative luminance 0.019; OKLCH L 26.3% C 0.043 H 212.9°. Best body text is #FFFFFF at 15.21:1 contrast (WCAG AA passes).

Color values

HEX	#042A31
RGB	rgb(4, 42, 49)
HSL	hsl(189, 85%, 10%)
HSV	hsv(189, 92%, 19%)
CMYK	cmyk(91.8%, 14.3%, 0%, 80.8%)
CIE-LAB	lab(14.97, -10.00, -8.30)
CIE-LCH	lch(14.97, 13.00, 219.70°)
OKLab	oklab(26.31% -0.0358 -0.0232)
OKLCH	oklch(26.31% 0.043 212.9)
XYZ	xyz(1.4322, 1.9033, 3.1970)
Luminance	0.0190 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042A31 #310B04

analogous

#043121 #042A31 #041331

triadic

#042A31 #31042A #2A3104

tetradic

#042A31 #210431 #310B04 #133104

square

#042A31 #210431 #310B04 #133104

split-complementary

#042A31 #310413 #312104

monochromatic

#02181C #02181C #042A31 #095A6A #0D8BA2

Accessibility & contrast

On white

15.21

#042A31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#042A31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042A31

15.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042A31	#FFFFFF	#000000	##FFFFFF
##042A31	1.00	15.21	1.38	15.21
#FFFFFF	15.21	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252831

Deuteranopia (green-blind)

#1F2431

Tritanopia (blue-blind)

#002D2C

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #042a31;
/* rgb */ color: rgb(4, 42, 49);
/* oklch */ color: oklch(26.3% 0.043 212.9);

Tailwind

colors: {
  custom: {
    50: '#4d6369',
    500: '#042a31',
    950: '#000000',
  },
}

SCSS

$custom: #042a31;
$custom-light: #4d6369;
$custom-dark: #000000;

JSON

{
  "hex": "#042a31",
  "rgb": {
    "r": 4,
    "g": 42,
    "b": 49
  },
  "hsl": {
    "h": 189.333,
    "s": 84.906,
    "l": 10.392
  },
  "oklch": {
    "l": 0.26305,
    "c": 0.04268,
    "h": 212.9
  },
  "luminance": 0.01903
}

Semantic roles & 50–950 ramp

primary

#042A31

secondary

#732B1D

accent

#4D2DFB

background

#F4F5F6

surface

#E7EAEB

border

#C3C6C6

text

#020506

muted

#78797A

Preview Lab

Preview with #042A31

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

Preview Lab → · Contrast checker → · Palette generator →