#043D3F#043D3F

#043D3F is a dark, muted teal. Relative luminance 0.037; OKLCH L 32.8% C 0.054 H 198.6°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#043D3F
RGB	rgb(4, 61, 63)
HSL	hsl(182, 88%, 13%)
HSV	hsv(182, 94%, 25%)
CMYK	cmyk(93.7%, 3.2%, 0%, 75.3%)
CIE-LAB	lab(22.73, -15.98, -6.17)
CIE-LCH	lch(22.73, 17.13, 201.10°)
OKLab	oklab(32.78% -0.0509 -0.0172)
OKLCH	oklch(32.78% 0.054 198.6)
XYZ	xyz(2.6156, 3.7218, 5.2822)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#043D3F #3F0604

analogous

#043F23 #043D3F #041F3F

triadic

#043D3F #3F043D #3D3F04

tetradic

#043D3F #23043F #3F0604 #1F3F04

square

#043D3F #23043F #3F0604 #1F3F04

split-complementary

#043D3F #3F041F #3F2304

monochromatic

#021C1D #021C1D #043D3F #087579 #0BACB2

Accessibility & contrast

On white

12.04

#043D3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#043D3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #043D3F

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##043D3F	#FFFFFF	#000000	##FFFFFF
##043D3F	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383A3F

Deuteranopia (green-blind)

#30343F

Tritanopia (blue-blind)

#00403D

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #043d3f;
/* rgb */ color: rgb(4, 61, 63);
/* oklch */ color: oklch(32.8% 0.054 198.6);

Tailwind

colors: {
  custom: {
    50: '#527274',
    500: '#043d3f',
    950: '#000000',
  },
}

SCSS

$custom: #043d3f;
$custom-light: #527274;
$custom-dark: #000000;

JSON

{
  "hex": "#043d3f",
  "rgb": {
    "r": 4,
    "g": 61,
    "b": 63
  },
  "hsl": {
    "h": 182.034,
    "s": 88.06,
    "l": 13.137
  },
  "oklch": {
    "l": 0.32783,
    "c": 0.0537,
    "h": 198.6
  },
  "luminance": 0.03722
}

Semantic roles & 50–950 ramp

primary

#043D3F

secondary

#80221E

accent

#312AFE

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030808

muted

#787B7B

Preview Lab

Preview with #043D3F

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

Preview Lab → · Contrast checker → · Palette generator →