#043138#043138

#043138 is a dark, muted teal. Relative luminance 0.025; OKLCH L 28.8% C 0.047 H 210.7°. Best body text is #FFFFFF at 13.99:1 contrast (WCAG AA passes).

Color values

HEX	#043138
RGB	rgb(4, 49, 56)
HSL	hsl(188, 87%, 12%)
HSV	hsv(188, 93%, 22%)
CMYK	cmyk(92.9%, 12.5%, 0%, 78%)
CIE-LAB	lab(17.95, -11.57, -8.64)
CIE-LCH	lch(17.95, 14.44, 216.76°)
OKLab	oklab(28.82% -0.0406 -0.0241)
OKLCH	oklch(28.82% 0.047 210.7)
XYZ	xyz(1.8619, 2.5077, 4.1265)
Luminance	0.0251 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#043138 #380B04

analogous

#043825 #043138 #041738

triadic

#043138 #380431 #313804

tetradic

#043138 #250438 #380B04 #173804

square

#043138 #250438 #380B04 #173804

split-complementary

#043138 #380417 #382504

monochromatic

#02191D #02191D #043138 #086371 #0C95AA

Accessibility & contrast

On white

13.99

#043138 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#043138 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #043138

13.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##043138	#FFFFFF	#000000	##FFFFFF
##043138	1.00	13.99	1.50	13.99
#FFFFFF	13.99	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2F38

Deuteranopia (green-blind)

#242A38

Tritanopia (blue-blind)

#003433

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #043138;
/* rgb */ color: rgb(4, 49, 56);
/* oklch */ color: oklch(28.8% 0.047 210.7);

Tailwind

colors: {
  custom: {
    50: '#4f696e',
    500: '#043138',
    950: '#000000',
  },
}

SCSS

$custom: #043138;
$custom-light: #4f696e;
$custom-dark: #000000;

JSON

{
  "hex": "#043138",
  "rgb": {
    "r": 4,
    "g": 49,
    "b": 56
  },
  "hsl": {
    "h": 188.077,
    "s": 86.667,
    "l": 11.765
  },
  "oklch": {
    "l": 0.28817,
    "c": 0.04722,
    "h": 210.7
  },
  "luminance": 0.02508
}

Semantic roles & 50–950 ramp

primary

#043138

secondary

#7A2A1E

accent

#472BFD

background

#F4F6F6

surface

#E7EBEB

border

#C3C6C6

text

#020607

muted

#787A7A

Preview Lab

Preview with #043138

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

Preview Lab → · Contrast checker → · Palette generator →