#042F37#042F37

#042F37 is a dark, muted teal. Relative luminance 0.023; OKLCH L 28.2% C 0.046 H 213.4°. Best body text is #FFFFFF at 14.31:1 contrast (WCAG AA passes).

Color values

HEX	#042F37
RGB	rgb(4, 47, 55)
HSL	hsl(189, 86%, 12%)
HSV	hsv(189, 93%, 22%)
CMYK	cmyk(92.7%, 14.5%, 0%, 78.4%)
CIE-LAB	lab(17.15, -10.72, -9.17)
CIE-LCH	lch(17.15, 14.11, 220.53°)
OKLab	oklab(28.16% -0.0388 -0.0256)
OKLCH	oklch(28.16% 0.046 213.4)
XYZ	xyz(1.7559, 2.3345, 3.9717)
Luminance	0.0233 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042F37 #370C04

analogous

#043726 #042F37 #041637

triadic

#042F37 #37042F #2F3704

tetradic

#042F37 #260437 #370C04 #163704

square

#042F37 #260437 #370C04 #163704

split-complementary

#042F37 #370416 #372604

monochromatic

#02181D #02181D #042F37 #086070 #0C91A9

Accessibility & contrast

On white

14.31

#042F37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#042F37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042F37

14.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042F37	#FFFFFF	#000000	##FFFFFF
##042F37	1.00	14.31	1.47	14.31
#FFFFFF	14.31	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292D37

Deuteranopia (green-blind)

#222837

Tritanopia (blue-blind)

#003231

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #042f37;
/* rgb */ color: rgb(4, 47, 55);
/* oklch */ color: oklch(28.2% 0.046 213.4);

Tailwind

colors: {
  custom: {
    50: '#4f676d',
    500: '#042f37',
    950: '#000000',
  },
}

SCSS

$custom: #042f37;
$custom-light: #4f676d;
$custom-dark: #000000;

JSON

{
  "hex": "#042f37",
  "rgb": {
    "r": 4,
    "g": 47,
    "b": 55
  },
  "hsl": {
    "h": 189.412,
    "s": 86.441,
    "l": 11.569
  },
  "oklch": {
    "l": 0.28156,
    "c": 0.04646,
    "h": 213.4
  },
  "luminance": 0.02335
}

Semantic roles & 50–950 ramp

primary

#042F37

secondary

#792C1E

accent

#4C2BFD

background

#F4F6F6

surface

#E7EBEB

border

#C3C6C6

text

#020607

muted

#787A7A

Preview Lab

Preview with #042F37

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

Preview Lab → · Contrast checker → · Palette generator →