#043F3D#043F3D

#043F3D is a dark, muted teal. Relative luminance 0.039; OKLCH L 33.3% C 0.055 H 191.2°. Best body text is #FFFFFF at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#043F3D
RGB	rgb(4, 63, 61)
HSL	hsl(178, 88%, 13%)
HSV	hsv(178, 94%, 25%)
CMYK	cmyk(93.7%, 0%, 3.2%, 75.3%)
CIE-LAB	lab(23.40, -17.83, -3.83)
CIE-LCH	lch(23.40, 18.24, 192.14°)
OKLab	oklab(33.3% -0.0542 -0.0107)
OKLCH	oklch(33.3% 0.055 191.2)
XYZ	xyz(2.6695, 3.9174, 5.0294)
Luminance	0.0392 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#043F3D #3F0406

analogous

#043F1F #043F3D #04233F

triadic

#043F3D #3D043F #3F3D04

tetradic

#043F3D #1F043F #3F0406 #233F04

square

#043F3D #1F043F #3F0406 #233F04

split-complementary

#043F3D #3F0423 #3F1F04

monochromatic

#021D1C #021D1C #043F3D #087975 #0BB2AC

Accessibility & contrast

On white

11.77

#043F3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#043F3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #043F3D

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##043F3D	#FFFFFF	#000000	##FFFFFF
##043F3D	1.00	11.77	1.78	11.77
#FFFFFF	11.77	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3B3D

Deuteranopia (green-blind)

#33353D

Tritanopia (blue-blind)

#00413E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #043f3d;
/* rgb */ color: rgb(4, 63, 61);
/* oklch */ color: oklch(33.3% 0.055 191.2);

Tailwind

colors: {
  custom: {
    50: '#527472',
    500: '#043f3d',
    950: '#000000',
  },
}

SCSS

$custom: #043f3d;
$custom-light: #527472;
$custom-dark: #000000;

JSON

{
  "hex": "#043f3d",
  "rgb": {
    "r": 4,
    "g": 63,
    "b": 61
  },
  "hsl": {
    "h": 177.966,
    "s": 88.06,
    "l": 13.137
  },
  "oklch": {
    "l": 0.33301,
    "c": 0.0553,
    "h": 191.2
  },
  "luminance": 0.03918
}

Semantic roles & 50–950 ramp

primary

#043F3D

secondary

#801E22

accent

#2A31FE

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#030808

muted

#787B7B

Preview Lab

Preview with #043F3D

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

Preview Lab → · Contrast checker → · Palette generator →