#043139#043139

#043139 is a dark, muted teal. Relative luminance 0.025; OKLCH L 28.9% C 0.048 H 212.8°. Best body text is #FFFFFF at 13.97:1 contrast (WCAG AA passes).

Color values

HEX	#043139
RGB	rgb(4, 49, 57)
HSL	hsl(189, 87%, 12%)
HSV	hsv(189, 93%, 22%)
CMYK	cmyk(93%, 14%, 0%, 77.6%)
CIE-LAB	lab(18.00, -11.16, -9.26)
CIE-LCH	lch(18.00, 14.51, 219.68°)
OKLab	oklab(28.87% -0.0401 -0.0258)
OKLCH	oklch(28.87% 0.048 212.8)
XYZ	xyz(1.8866, 2.5176, 4.2566)
Luminance	0.0252 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#043139 #390C04

analogous

#043927 #043139 #041739

triadic

#043139 #390431 #313904

tetradic

#043139 #270439 #390C04 #173904

square

#043139 #270439 #390C04 #173904

split-complementary

#043139 #390417 #392704

monochromatic

#02191D #02191D #043139 #086272 #0C93AB

Accessibility & contrast

On white

13.97

#043139 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#043139 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #043139

13.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##043139	#FFFFFF	#000000	##FFFFFF
##043139	1.00	13.97	1.50	13.97
#FFFFFF	13.97	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2F39

Deuteranopia (green-blind)

#242A39

Tritanopia (blue-blind)

#003433

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #043139;
/* rgb */ color: rgb(4, 49, 57);
/* oklch */ color: oklch(28.9% 0.048 212.8);

Tailwind

colors: {
  custom: {
    50: '#4f696f',
    500: '#043139',
    950: '#000000',
  },
}

SCSS

$custom: #043139;
$custom-light: #4f696f;
$custom-dark: #000000;

JSON

{
  "hex": "#043139",
  "rgb": {
    "r": 4,
    "g": 49,
    "b": 57
  },
  "hsl": {
    "h": 189.057,
    "s": 86.885,
    "l": 11.961
  },
  "oklch": {
    "l": 0.28868,
    "c": 0.04771,
    "h": 212.8
  },
  "luminance": 0.02518
}

Semantic roles & 50–950 ramp

primary

#043139

secondary

#7B2C1E

accent

#4A2BFD

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#020607

muted

#787A7A

Preview Lab

Preview with #043139

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

Preview Lab → · Contrast checker → · Palette generator →