#043A3F#043A3F

#043A3F is a dark, muted teal. Relative luminance 0.034; OKLCH L 31.9% C 0.052 H 204.7°. Best body text is #FFFFFF at 12.48:1 contrast (WCAG AA passes).

Color values

HEX	#043A3F
RGB	rgb(4, 58, 63)
HSL	hsl(185, 88%, 13%)
HSV	hsv(185, 94%, 25%)
CMYK	cmyk(93.7%, 7.9%, 0%, 75.3%)
CIE-LAB	lab(21.62, -14.25, -7.84)
CIE-LCH	lch(21.62, 16.27, 208.83°)
OKLab	oklab(31.88% -0.0474 -0.0218)
OKLCH	oklch(31.88% 0.052 204.7)
XYZ	xyz(2.4599, 3.4105, 5.2303)
Luminance	0.0341 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#043A3F #3F0904

analogous

#043F26 #043A3F #041C3F

triadic

#043A3F #3F043A #3A3F04

tetradic

#043A3F #26043F #3F0904 #1C3F04

square

#043A3F #26043F #3F0904 #1C3F04

split-complementary

#043A3F #3F041C #3F2604

monochromatic

#021A1D #021A1D #043A3F #086F79 #0BA4B2

Accessibility & contrast

On white

12.48

#043A3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#043A3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #043A3F

12.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##043A3F	#FFFFFF	#000000	##FFFFFF
##043A3F	1.00	12.48	1.68	12.48
#FFFFFF	12.48	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34373F

Deuteranopia (green-blind)

#2C313F

Tritanopia (blue-blind)

#003D3B

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #043a3f;
/* rgb */ color: rgb(4, 58, 63);
/* oklch */ color: oklch(31.9% 0.052 204.7);

Tailwind

colors: {
  custom: {
    50: '#527074',
    500: '#043a3f',
    950: '#000000',
  },
}

SCSS

$custom: #043a3f;
$custom-light: #527074;
$custom-dark: #000000;

JSON

{
  "hex": "#043a3f",
  "rgb": {
    "r": 4,
    "g": 58,
    "b": 63
  },
  "hsl": {
    "h": 185.085,
    "s": 88.06,
    "l": 13.137
  },
  "oklch": {
    "l": 0.31881,
    "c": 0.05223,
    "h": 204.7
  },
  "luminance": 0.03411
}

Semantic roles & 50–950 ramp

primary

#043A3F

secondary

#80271E

accent

#3C2AFE

background

#F4F6F7

surface

#E7ECED

border

#C3C7C8

text

#030708

muted

#787A7B

Preview Lab

Preview with #043A3F

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

Preview Lab → · Contrast checker → · Palette generator →