#043F39#043F39

#043F39 is a dark, muted teal. Relative luminance 0.039; OKLCH L 33.1% C 0.057 H 184.1°. Best body text is #FFFFFF at 11.83:1 contrast (WCAG AA passes).

Color values

HEX	#043F39
RGB	rgb(4, 63, 57)
HSL	hsl(174, 88%, 13%)
HSV	hsv(174, 94%, 25%)
CMYK	cmyk(93.7%, 0%, 9.5%, 75.3%)
CIE-LAB	lab(23.26, -19.22, -1.38)
CIE-LCH	lch(23.26, 19.27, 184.10°)
OKLab	oklab(33.14% -0.0565 -0.004)
OKLCH	oklch(33.14% 0.057 184.1)
XYZ	xyz(2.5657, 3.8759, 4.4830)
Luminance	0.0388 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#043F39 #3F040A

analogous

#043F1B #043F39 #04273F

triadic

#043F39 #39043F #3F3904

tetradic

#043F39 #1B043F #3F040A #273F04

square

#043F39 #1B043F #3F040A #273F04

split-complementary

#043F39 #3F0427 #3F1B04

monochromatic

#021D1A #021D1A #043F39 #08796D #0BB2A1

Accessibility & contrast

On white

11.83

#043F39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#043F39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #043F39

11.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##043F39	#FFFFFF	#000000	##FFFFFF
##043F39	1.00	11.83	1.78	11.83
#FFFFFF	11.83	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3B39

Deuteranopia (green-blind)

#34353A

Tritanopia (blue-blind)

#00413D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #043f39;
/* rgb */ color: rgb(4, 63, 57);
/* oklch */ color: oklch(33.1% 0.057 184.1);

Tailwind

colors: {
  custom: {
    50: '#52746f',
    500: '#043f39',
    950: '#000000',
  },
}

SCSS

$custom: #043f39;
$custom-light: #52746f;
$custom-dark: #000000;

JSON

{
  "hex": "#043f39",
  "rgb": {
    "r": 4,
    "g": 63,
    "b": 57
  },
  "hsl": {
    "h": 173.898,
    "s": 88.06,
    "l": 13.137
  },
  "oklch": {
    "l": 0.33141,
    "c": 0.0566,
    "h": 184.1
  },
  "luminance": 0.03876
}

Semantic roles & 50–950 ramp

primary

#043F39

secondary

#801E28

accent

#2A3FFE

background

#F4F7F6

surface

#E8EDEC

border

#C4C8C7

text

#030807

muted

#787B7A

Preview Lab

Preview with #043F39

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

Preview Lab → · Contrast checker → · Palette generator →