#043A39#043A39

#043A39 is a dark, muted teal. Relative luminance 0.033; OKLCH L 31.6% C 0.052 H 192.9°. Best body text is #FFFFFF at 12.58:1 contrast (WCAG AA passes).

Color values

HEX	#043A39
RGB	rgb(4, 58, 57)
HSL	hsl(179, 87%, 12%)
HSV	hsv(179, 93%, 23%)
CMYK	cmyk(93.1%, 0%, 1.7%, 77.3%)
CIE-LAB	lab(21.38, -16.49, -4.15)
CIE-LCH	lch(21.38, 17.00, 194.14°)
OKLab	oklab(31.61% -0.0506 -0.0116)
OKLCH	oklch(31.61% 0.052 192.9)
XYZ	xyz(2.3013, 3.3470, 4.3949)
Luminance	0.0335 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#043A39 #3A0405

analogous

#043A1E #043A39 #04203A

triadic

#043A39 #39043A #3A3904

tetradic

#043A39 #1E043A #3A0405 #203A04

square

#043A39 #1E043A #3A0405 #203A04

split-complementary

#043A39 #3A0420 #3A1E04

monochromatic

#021D1C #021D1C #043A39 #087371 #0CADAA

Accessibility & contrast

On white

12.58

#043A39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#043A39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #043A39

12.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##043A39	#FFFFFF	#000000	##FFFFFF
##043A39	1.00	12.58	1.67	12.58
#FFFFFF	12.58	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363639

Deuteranopia (green-blind)

#2E3139

Tritanopia (blue-blind)

#003C3A

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #043a39;
/* rgb */ color: rgb(4, 58, 57);
/* oklch */ color: oklch(31.6% 0.052 192.9);

Tailwind

colors: {
  custom: {
    50: '#51706f',
    500: '#043a39',
    950: '#000000',
  },
}

SCSS

$custom: #043a39;
$custom-light: #51706f;
$custom-dark: #000000;

JSON

{
  "hex": "#043a39",
  "rgb": {
    "r": 4,
    "g": 58,
    "b": 57
  },
  "hsl": {
    "h": 178.889,
    "s": 87.097,
    "l": 12.157
  },
  "oklch": {
    "l": 0.31613,
    "c": 0.05195,
    "h": 192.9
  },
  "luminance": 0.03347
}

Semantic roles & 50–950 ramp

primary

#043A39

secondary

#7C1E20

accent

#2B2EFD

background

#F4F6F6

surface

#E7ECEC

border

#C3C7C7

text

#020707

muted

#787A7A

Preview Lab

Preview with #043A39

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

Preview Lab → · Contrast checker → · Palette generator →