#043A3B#043A3B

#043A3B is a dark, muted teal. Relative luminance 0.034; OKLCH L 31.7% C 0.052 H 196.8°. Best body text is #FFFFFF at 12.55:1 contrast (WCAG AA passes).

Color values

HEX	#043A3B
RGB	rgb(4, 58, 59)
HSL	hsl(181, 87%, 12%)
HSV	hsv(181, 93%, 23%)
CMYK	cmyk(93.2%, 1.7%, 0%, 76.9%)
CIE-LAB	lab(21.46, -15.75, -5.39)
CIE-LCH	lch(21.46, 16.65, 198.88°)
OKLab	oklab(31.7% -0.0495 -0.015)
OKLCH	oklch(31.7% 0.052 196.8)
XYZ	xyz(2.3522, 3.3674, 4.6628)
Luminance	0.0337 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#043A3B #3B0504

analogous

#043B21 #043A3B #041F3B

triadic

#043A3B #3B043A #3A3B04

tetradic

#043A3B #21043B #3B0504 #1F3B04

square

#043A3B #21043B #3B0504 #1F3B04

split-complementary

#043A3B #3B041F #3B2104

monochromatic

#021C1D #021C1D #043A3B #087274 #0CABAE

Accessibility & contrast

On white

12.55

#043A3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#043A3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #043A3B

12.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##043A3B	#FFFFFF	#000000	##FFFFFF
##043A3B	1.00	12.55	1.67	12.55
#FFFFFF	12.55	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35373B

Deuteranopia (green-blind)

#2E313B

Tritanopia (blue-blind)

#003C3A

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #043a3b;
/* rgb */ color: rgb(4, 58, 59);
/* oklch */ color: oklch(31.7% 0.052 196.8);

Tailwind

colors: {
  custom: {
    50: '#517070',
    500: '#043a3b',
    950: '#000000',
  },
}

SCSS

$custom: #043a3b;
$custom-light: #517070;
$custom-dark: #000000;

JSON

{
  "hex": "#043a3b",
  "rgb": {
    "r": 4,
    "g": 58,
    "b": 59
  },
  "hsl": {
    "h": 181.091,
    "s": 87.302,
    "l": 12.353
  },
  "oklch": {
    "l": 0.317,
    "c": 0.05177,
    "h": 196.8
  },
  "luminance": 0.03368
}

Semantic roles & 50–950 ramp

primary

#043A3B

secondary

#7D201E

accent

#2E2AFD

background

#F4F6F6

surface

#E7ECEC

border

#C3C7C7

text

#020707

muted

#787A7A

Preview Lab

Preview with #043A3B

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

Preview Lab → · Contrast checker → · Palette generator →