#043B39#043B39

#043B39 is a dark, muted teal. Relative luminance 0.034; OKLCH L 31.9% C 0.053 H 191.0°. Best body text is #FFFFFF at 12.43:1 contrast (WCAG AA passes).

Color values

HEX	#043B39
RGB	rgb(4, 59, 57)
HSL	hsl(178, 87%, 12%)
HSV	hsv(178, 93%, 23%)
CMYK	cmyk(93.2%, 0%, 3.4%, 76.9%)
CIE-LAB	lab(21.76, -17.04, -3.59)
CIE-LCH	lch(21.76, 17.42, 191.90°)
OKLab	oklab(31.92% -0.0518 -0.01)
OKLCH	oklch(31.92% 0.053 191)
XYZ	xyz(2.3522, 3.4488, 4.4118)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#043B39 #3B0406

analogous

#043B1D #043B39 #04223B

triadic

#043B39 #39043B #3B3904

tetradic

#043B39 #1D043B #3B0406 #223B04

square

#043B39 #1D043B #3B0406 #223B04

split-complementary

#043B39 #3B0422 #3B1D04

monochromatic

#021D1C #021D1C #043B39 #087470 #0CAEA8

Accessibility & contrast

On white

12.43

#043B39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#043B39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #043B39

12.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##043B39	#FFFFFF	#000000	##FFFFFF
##043B39	1.00	12.43	1.69	12.43
#FFFFFF	12.43	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373739

Deuteranopia (green-blind)

#2F3239

Tritanopia (blue-blind)

#003D3A

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #043b39;
/* rgb */ color: rgb(4, 59, 57);
/* oklch */ color: oklch(31.9% 0.053 191.0);

Tailwind

colors: {
  custom: {
    50: '#51716f',
    500: '#043b39',
    950: '#000000',
  },
}

SCSS

$custom: #043b39;
$custom-light: #51716f;
$custom-dark: #000000;

JSON

{
  "hex": "#043b39",
  "rgb": {
    "r": 4,
    "g": 59,
    "b": 57
  },
  "hsl": {
    "h": 177.818,
    "s": 87.302,
    "l": 12.353
  },
  "oklch": {
    "l": 0.31919,
    "c": 0.05278,
    "h": 191
  },
  "luminance": 0.03449
}

Semantic roles & 50–950 ramp

primary

#043B39

secondary

#7D1E22

accent

#2A32FD

background

#F4F6F6

surface

#E7ECEC

border

#C3C7C7

text

#020707

muted

#787A7A

Preview Lab

Preview with #043B39

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

Preview Lab → · Contrast checker → · Palette generator →