#043B40#043B40

#043B40 is a dark, muted teal. Relative luminance 0.035; OKLCH L 32.2% C 0.053 H 204.6°. Best body text is #FFFFFF at 12.32:1 contrast (WCAG AA passes).

Color values

HEX	#043B40
RGB	rgb(4, 59, 64)
HSL	hsl(185, 88%, 13%)
HSV	hsv(185, 94%, 25%)
CMYK	cmyk(93.8%, 7.8%, 0%, 74.9%)
CIE-LAB	lab(22.03, -14.45, -7.89)
CIE-LCH	lch(22.03, 16.47, 208.64°)
OKLab	oklab(32.23% -0.0481 -0.022)
OKLCH	oklch(32.23% 0.053 204.6)
XYZ	xyz(2.5390, 3.5236, 5.3958)
Luminance	0.0352 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#043B40 #400904

analogous

#044027 #043B40 #041D40

triadic

#043B40 #40043B #3B4004

tetradic

#043B40 #270440 #400904 #1D4004

square

#043B40 #270440 #400904 #1D4004

split-complementary

#043B40 #40041D #402704

monochromatic

#021B1D #021B1D #043B40 #08707A #0BA5B3

Accessibility & contrast

On white

12.32

#043B40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#043B40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #043B40

12.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##043B40	#FFFFFF	#000000	##FFFFFF
##043B40	1.00	12.32	1.70	12.32
#FFFFFF	12.32	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353840

Deuteranopia (green-blind)

#2D3240

Tritanopia (blue-blind)

#003E3C

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #043b40;
/* rgb */ color: rgb(4, 59, 64);
/* oklch */ color: oklch(32.2% 0.053 204.6);

Tailwind

colors: {
  custom: {
    50: '#527174',
    500: '#043b40',
    950: '#000000',
  },
}

SCSS

$custom: #043b40;
$custom-light: #527174;
$custom-dark: #000000;

JSON

{
  "hex": "#043b40",
  "rgb": {
    "r": 4,
    "g": 59,
    "b": 64
  },
  "hsl": {
    "h": 185,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.32228,
    "c": 0.05286,
    "h": 204.6
  },
  "luminance": 0.03524
}

Semantic roles & 50–950 ramp

primary

#043B40

secondary

#81271F

accent

#3B29FE

background

#F5F6F7

surface

#E8ECED

border

#C4C7C8

text

#030708

muted

#787A7B

Preview Lab

Preview with #043B40

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

Preview Lab → · Contrast checker → · Palette generator →