#043238#043238

#043238 is a dark, muted teal. Relative luminance 0.026; OKLCH L 29.1% C 0.047 H 208.3°. Best body text is #FFFFFF at 13.83:1 contrast (WCAG AA passes).

Color values

HEX	#043238
RGB	rgb(4, 50, 56)
HSL	hsl(187, 87%, 12%)
HSV	hsv(187, 93%, 22%)
CMYK	cmyk(92.9%, 10.7%, 0%, 78%)
CIE-LAB	lab(18.33, -12.18, -8.06)
CIE-LCH	lch(18.33, 14.61, 213.51°)
OKLab	oklab(29.12% -0.0418 -0.0225)
OKLCH	oklch(29.12% 0.047 208.3)
XYZ	xyz(1.9042, 2.5923, 4.1406)
Luminance	0.0259 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#043238 #380A04

analogous

#043824 #043238 #041838

triadic

#043238 #380432 #323804

tetradic

#043238 #240438 #380A04 #183804

square

#043238 #240438 #380A04 #183804

split-complementary

#043238 #380418 #382404

monochromatic

#021A1D #021A1D #043238 #086571 #0C98AA

Accessibility & contrast

On white

13.83

#043238 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#043238 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #043238

13.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##043238	#FFFFFF	#000000	##FFFFFF
##043238	1.00	13.83	1.52	13.83
#FFFFFF	13.83	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3038

Deuteranopia (green-blind)

#252B38

Tritanopia (blue-blind)

#003534

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #043238;
/* rgb */ color: rgb(4, 50, 56);
/* oklch */ color: oklch(29.1% 0.047 208.3);

Tailwind

colors: {
  custom: {
    50: '#4f6a6e',
    500: '#043238',
    950: '#000000',
  },
}

SCSS

$custom: #043238;
$custom-light: #4f6a6e;
$custom-dark: #000000;

JSON

{
  "hex": "#043238",
  "rgb": {
    "r": 4,
    "g": 50,
    "b": 56
  },
  "hsl": {
    "h": 186.923,
    "s": 86.667,
    "l": 11.765
  },
  "oklch": {
    "l": 0.29122,
    "c": 0.04745,
    "h": 208.3
  },
  "luminance": 0.02593
}

Semantic roles & 50–950 ramp

primary

#043238

secondary

#7A281E

accent

#432BFD

background

#F4F6F6

surface

#E7EBEB

border

#C3C6C6

text

#020607

muted

#787A7A

Preview Lab

Preview with #043238

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

Preview Lab → · Contrast checker → · Palette generator →