#043C40#043C40

#043C40 is a dark, muted teal. Relative luminance 0.036; OKLCH L 32.5% C 0.053 H 202.5°. Best body text is #FFFFFF at 12.17:1 contrast (WCAG AA passes).

Color values

HEX	#043C40
RGB	rgb(4, 60, 64)
HSL	hsl(184, 88%, 13%)
HSV	hsv(184, 94%, 25%)
CMYK	cmyk(93.8%, 6.2%, 0%, 74.9%)
CIE-LAB	lab(22.40, -15.04, -7.33)
CIE-LCH	lch(22.40, 16.73, 206.00°)
OKLab	oklab(32.53% -0.0492 -0.0204)
OKLCH	oklch(32.53% 0.053 202.5)
XYZ	xyz(2.5909, 3.6274, 5.4131)
Luminance	0.0363 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#043C40 #400804

analogous

#044026 #043C40 #041E40

triadic

#043C40 #40043C #3C4004

tetradic

#043C40 #260440 #400804 #1E4004

square

#043C40 #260440 #400804 #1E4004

split-complementary

#043C40 #40041E #402604

monochromatic

#021B1D #021B1D #043C40 #08727A #0BA8B3

Accessibility & contrast

On white

12.17

#043C40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#043C40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #043C40

12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##043C40	#FFFFFF	#000000	##FFFFFF
##043C40	1.00	12.17	1.73	12.17
#FFFFFF	12.17	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363940

Deuteranopia (green-blind)

#2E3340

Tritanopia (blue-blind)

#003F3D

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #043c40;
/* rgb */ color: rgb(4, 60, 64);
/* oklch */ color: oklch(32.5% 0.053 202.5);

Tailwind

colors: {
  custom: {
    50: '#527274',
    500: '#043c40',
    950: '#000000',
  },
}

SCSS

$custom: #043c40;
$custom-light: #527274;
$custom-dark: #000000;

JSON

{
  "hex": "#043c40",
  "rgb": {
    "r": 4,
    "g": 60,
    "b": 64
  },
  "hsl": {
    "h": 184,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.32528,
    "c": 0.05327,
    "h": 202.5
  },
  "luminance": 0.03628
}

Semantic roles & 50–950 ramp

primary

#043C40

secondary

#81251F

accent

#3829FE

background

#F5F6F7

surface

#E8ECED

border

#C4C7C8

text

#030808

muted

#787B7B

Preview Lab

Preview with #043C40

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

Preview Lab → · Contrast checker → · Palette generator →