#043E40#043E40

#043E40 is a dark, muted teal. Relative luminance 0.038; OKLCH L 33.1% C 0.054 H 198.6°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#043E40
RGB	rgb(4, 62, 64)
HSL	hsl(182, 88%, 13%)
HSV	hsv(182, 94%, 25%)
CMYK	cmyk(93.8%, 3.1%, 0%, 74.9%)
CIE-LAB	lab(23.14, -16.18, -6.22)
CIE-LCH	lch(23.14, 17.34, 201.03°)
OKLab	oklab(33.13% -0.0515 -0.0173)
OKLCH	oklch(33.13% 0.054 198.6)
XYZ	xyz(2.6977, 3.8409, 5.4487)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#043E40 #400604

analogous

#044024 #043E40 #042040

triadic

#043E40 #40043E #3E4004

tetradic

#043E40 #240440 #400604 #204004

square

#043E40 #240440 #400604 #204004

split-complementary

#043E40 #400420 #402404

monochromatic

#021C1D #021C1D #043E40 #08767A #0BAEB3

Accessibility & contrast

On white

11.88

#043E40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#043E40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #043E40

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##043E40	#FFFFFF	#000000	##FFFFFF
##043E40	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393B40

Deuteranopia (green-blind)

#313540

Tritanopia (blue-blind)

#00413E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #043e40;
/* rgb */ color: rgb(4, 62, 64);
/* oklch */ color: oklch(33.1% 0.054 198.6);

Tailwind

colors: {
  custom: {
    50: '#537374',
    500: '#043e40',
    950: '#000000',
  },
}

SCSS

$custom: #043e40;
$custom-light: #537374;
$custom-dark: #000000;

JSON

{
  "hex": "#043e40",
  "rgb": {
    "r": 4,
    "g": 62,
    "b": 64
  },
  "hsl": {
    "h": 182,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.33128,
    "c": 0.05432,
    "h": 198.6
  },
  "luminance": 0.03841
}

Semantic roles & 50–950 ramp

primary

#043E40

secondary

#81221F

accent

#3129FE

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#030808

muted

#787B7B

Preview Lab

Preview with #043E40

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

Preview Lab → · Contrast checker → · Palette generator →