#043A37#043A37

#043A37 is a dark, muted teal. Relative luminance 0.033; OKLCH L 31.5% C 0.052 H 189.0°. Best body text is #FFFFFF at 12.61:1 contrast (WCAG AA passes).

Color values

HEX	#043A37
RGB	rgb(4, 58, 55)
HSL	hsl(177, 87%, 12%)
HSV	hsv(177, 93%, 23%)
CMYK	cmyk(93.1%, 0%, 5.2%, 77.3%)
CIE-LAB	lab(21.31, -17.20, -2.91)
CIE-LCH	lch(21.31, 17.45, 189.60°)
OKLab	oklab(31.53% -0.0517 -0.0082)
OKLCH	oklch(31.53% 0.052 189)
XYZ	xyz(2.2524, 3.3275, 4.1372)
Luminance	0.0333 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#043A37 #3A0407

analogous

#043A1C #043A37 #04223A

triadic

#043A37 #37043A #3A3704

tetradic

#043A37 #1C043A #3A0407 #223A04

square

#043A37 #1C043A #3A0407 #223A04

split-complementary

#043A37 #3A0422 #3A1C04

monochromatic

#021D1B #021D1B #043A37 #08736D #0CADA4

Accessibility & contrast

On white

12.61

#043A37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#043A37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #043A37

12.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##043A37	#FFFFFF	#000000	##FFFFFF
##043A37	1.00	12.61	1.67	12.61
#FFFFFF	12.61	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363637

Deuteranopia (green-blind)

#2F3137

Tritanopia (blue-blind)

#003C39

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #043a37;
/* rgb */ color: rgb(4, 58, 55);
/* oklch */ color: oklch(31.5% 0.052 189.0);

Tailwind

colors: {
  custom: {
    50: '#51706d',
    500: '#043a37',
    950: '#000000',
  },
}

SCSS

$custom: #043a37;
$custom-light: #51706d;
$custom-dark: #000000;

JSON

{
  "hex": "#043a37",
  "rgb": {
    "r": 4,
    "g": 58,
    "b": 55
  },
  "hsl": {
    "h": 176.667,
    "s": 87.097,
    "l": 12.157
  },
  "oklch": {
    "l": 0.31529,
    "c": 0.05238,
    "h": 189
  },
  "luminance": 0.03328
}

Semantic roles & 50–950 ramp

primary

#043A37

secondary

#7C1E23

accent

#2B36FD

background

#F4F6F6

surface

#E7ECEB

border

#C3C7C6

text

#020707

muted

#787A7A

Preview Lab

Preview with #043A37

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

Preview Lab → · Contrast checker → · Palette generator →