#043C3F#043C3F

#043C3F is a dark, muted teal. Relative luminance 0.036; OKLCH L 32.5% C 0.053 H 200.6°. Best body text is #FFFFFF at 12.19:1 contrast (WCAG AA passes).

Color values

HEX	#043C3F
RGB	rgb(4, 60, 63)
HSL	hsl(183, 88%, 13%)
HSV	hsv(183, 94%, 25%)
CMYK	cmyk(93.7%, 4.8%, 0%, 75.3%)
CIE-LAB	lab(22.36, -15.41, -6.72)
CIE-LCH	lch(22.36, 16.81, 203.57°)
OKLab	oklab(32.48% -0.0497 -0.0187)
OKLCH	oklch(32.48% 0.053 200.6)
XYZ	xyz(2.5627, 3.6161, 5.2646)
Luminance	0.0362 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#043C3F #3F0704

analogous

#043F24 #043C3F #041E3F

triadic

#043C3F #3F043C #3C3F04

tetradic

#043C3F #24043F #3F0704 #1E3F04

square

#043C3F #24043F #3F0704 #1E3F04

split-complementary

#043C3F #3F041E #3F2404

monochromatic

#021B1D #021B1D #043C3F #087379 #0BAAB2

Accessibility & contrast

On white

12.19

#043C3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#043C3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #043C3F

12.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##043C3F	#FFFFFF	#000000	##FFFFFF
##043C3F	1.00	12.19	1.72	12.19
#FFFFFF	12.19	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37393F

Deuteranopia (green-blind)

#2F333F

Tritanopia (blue-blind)

#003F3D

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #043c3f;
/* rgb */ color: rgb(4, 60, 63);
/* oklch */ color: oklch(32.5% 0.053 200.6);

Tailwind

colors: {
  custom: {
    50: '#527274',
    500: '#043c3f',
    950: '#000000',
  },
}

SCSS

$custom: #043c3f;
$custom-light: #527274;
$custom-dark: #000000;

JSON

{
  "hex": "#043c3f",
  "rgb": {
    "r": 4,
    "g": 60,
    "b": 63
  },
  "hsl": {
    "h": 183.051,
    "s": 88.06,
    "l": 13.137
  },
  "oklch": {
    "l": 0.32483,
    "c": 0.05313,
    "h": 200.6
  },
  "luminance": 0.03616
}

Semantic roles & 50–950 ramp

primary

#043C3F

secondary

#80231E

accent

#342AFE

background

#F5F6F7

surface

#E8ECED

border

#C4C7C8

text

#030808

muted

#787B7B

Preview Lab

Preview with #043C3F

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

Preview Lab → · Contrast checker → · Palette generator →