#043D40#043D40

#043D40 is a dark, muted teal. Relative luminance 0.037; OKLCH L 32.8% C 0.054 H 200.5°. Best body text is #FFFFFF at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#043D40
RGB	rgb(4, 61, 64)
HSL	hsl(183, 88%, 13%)
HSV	hsv(183, 94%, 25%)
CMYK	cmyk(93.8%, 4.7%, 0%, 74.9%)
CIE-LAB	lab(22.77, -15.61, -6.78)
CIE-LCH	lch(22.77, 17.02, 203.47°)
OKLab	oklab(32.83% -0.0503 -0.0189)
OKLCH	oklch(32.83% 0.054 200.5)
XYZ	xyz(2.6438, 3.7331, 5.4307)
Luminance	0.0373 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#043D40 #400704

analogous

#044025 #043D40 #041F40

triadic

#043D40 #40043D #3D4004

tetradic

#043D40 #250440 #400704 #1F4004

square

#043D40 #250440 #400704 #1F4004

split-complementary

#043D40 #40041F #402504

monochromatic

#021B1D #021B1D #043D40 #08747A #0BABB3

Accessibility & contrast

On white

12.02

#043D40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#043D40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #043D40

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##043D40	#FFFFFF	#000000	##FFFFFF
##043D40	1.00	12.02	1.75	12.02
#FFFFFF	12.02	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373A40

Deuteranopia (green-blind)

#2F3440

Tritanopia (blue-blind)

#00403E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #043d40;
/* rgb */ color: rgb(4, 61, 64);
/* oklch */ color: oklch(32.8% 0.054 200.5);

Tailwind

colors: {
  custom: {
    50: '#537274',
    500: '#043d40',
    950: '#000000',
  },
}

SCSS

$custom: #043d40;
$custom-light: #537274;
$custom-dark: #000000;

JSON

{
  "hex": "#043d40",
  "rgb": {
    "r": 4,
    "g": 61,
    "b": 64
  },
  "hsl": {
    "h": 183,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.32828,
    "c": 0.05377,
    "h": 200.5
  },
  "luminance": 0.03733
}

Semantic roles & 50–950 ramp

primary

#043D40

secondary

#81231F

accent

#3429FE

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030808

muted

#787B7B

Preview Lab

Preview with #043D40

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

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