#04343B#04343B

#04343B is a dark, muted teal. Relative luminance 0.028; OKLCH L 29.9% C 0.049 H 209.9°. Best body text is #FFFFFF at 13.46:1 contrast (WCAG AA passes).

Color values

HEX	#04343B
RGB	rgb(4, 52, 59)
HSL	hsl(188, 87%, 12%)
HSV	hsv(188, 93%, 23%)
CMYK	cmyk(93.2%, 11.9%, 0%, 76.9%)
CIE-LAB	lab(19.21, -12.22, -8.78)
CIE-LCH	lch(19.21, 15.04, 215.71°)
OKLab	oklab(29.88% -0.0426 -0.0245)
OKLCH	oklch(29.88% 0.049 209.9)
XYZ	xyz(2.0671, 2.7973, 4.5678)
Luminance	0.0280 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04343B #3B0B04

analogous

#043B26 #04343B #04193B

triadic

#04343B #3B0434 #343B04

tetradic

#04343B #26043B #3B0B04 #193B04

square

#04343B #26043B #3B0B04 #193B04

split-complementary

#04343B #3B0419 #3B2604

monochromatic

#02191D #02191D #04343B #086774 #0C99AE

Accessibility & contrast

On white

13.46

#04343B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#04343B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04343B

13.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04343B	#FFFFFF	#000000	##FFFFFF
##04343B	1.00	13.46	1.56	13.46
#FFFFFF	13.46	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E323B

Deuteranopia (green-blind)

#272C3B

Tritanopia (blue-blind)

#003736

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #04343b;
/* rgb */ color: rgb(4, 52, 59);
/* oklch */ color: oklch(29.9% 0.049 209.9);

Tailwind

colors: {
  custom: {
    50: '#506b70',
    500: '#04343b',
    950: '#000000',
  },
}

SCSS

$custom: #04343b;
$custom-light: #506b70;
$custom-dark: #000000;

JSON

{
  "hex": "#04343b",
  "rgb": {
    "r": 4,
    "g": 52,
    "b": 59
  },
  "hsl": {
    "h": 187.636,
    "s": 87.302,
    "l": 12.353
  },
  "oklch": {
    "l": 0.29879,
    "c": 0.04912,
    "h": 209.9
  },
  "luminance": 0.02798
}

Semantic roles & 50–950 ramp

primary

#04343B

secondary

#7D2A1E

accent

#452AFD

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#020607

muted

#787A7A

Preview Lab

Preview with #04343B

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

Preview Lab → · Contrast checker → · Palette generator →