#043339#043339

#043339 is a dark, muted teal. Relative luminance 0.027; OKLCH L 29.5% C 0.048 H 208.0°. Best body text is #FFFFFF at 13.66:1 contrast (WCAG AA passes).

Color values

HEX	#043339
RGB	rgb(4, 51, 57)
HSL	hsl(187, 87%, 12%)
HSV	hsv(187, 93%, 22%)
CMYK	cmyk(93%, 10.5%, 0%, 77.6%)
CIE-LAB	lab(18.75, -12.39, -8.11)
CIE-LCH	lch(18.75, 14.81, 213.21°)
OKLab	oklab(29.48% -0.0424 -0.0226)
OKLCH	oklch(29.48% 0.048 208)
XYZ	xyz(1.9721, 2.6886, 4.2851)
Luminance	0.0269 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#043339 #390A04

analogous

#043925 #043339 #041939

triadic

#043339 #390433 #333904

tetradic

#043339 #250439 #390A04 #193904

square

#043339 #250439 #390A04 #193904

split-complementary

#043339 #390419 #392504

monochromatic

#021A1D #021A1D #043339 #086672 #0C99AB

Accessibility & contrast

On white

13.66

#043339 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#043339 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #043339

13.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##043339	#FFFFFF	#000000	##FFFFFF
##043339	1.00	13.66	1.54	13.66
#FFFFFF	13.66	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3139

Deuteranopia (green-blind)

#262B39

Tritanopia (blue-blind)

#003635

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #043339;
/* rgb */ color: rgb(4, 51, 57);
/* oklch */ color: oklch(29.5% 0.048 208.0);

Tailwind

colors: {
  custom: {
    50: '#506a6f',
    500: '#043339',
    950: '#000000',
  },
}

SCSS

$custom: #043339;
$custom-light: #506a6f;
$custom-dark: #000000;

JSON

{
  "hex": "#043339",
  "rgb": {
    "r": 4,
    "g": 51,
    "b": 57
  },
  "hsl": {
    "h": 186.792,
    "s": 86.885,
    "l": 11.961
  },
  "oklch": {
    "l": 0.29476,
    "c": 0.04809,
    "h": 208
  },
  "luminance": 0.02689
}

Semantic roles & 50–950 ramp

primary

#043339

secondary

#7B281E

accent

#432BFD

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#020607

muted

#787A7A

Preview Lab

Preview with #043339

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

Preview Lab → · Contrast checker → · Palette generator →