#042E3A#042E3A

#042E3A is a dark, muted cyan. Relative luminance 0.023; OKLCH L 28.0% C 0.049 H 222.0°. Best body text is #FFFFFF at 14.41:1 contrast (WCAG AA passes).

Color values

HEX	#042E3A
RGB	rgb(4, 46, 58)
HSL	hsl(193, 87%, 12%)
HSV	hsv(193, 93%, 23%)
CMYK	cmyk(93.1%, 20.7%, 0%, 77.3%)
CIE-LAB	lab(16.92, -8.85, -11.61)
CIE-LCH	lch(16.92, 14.60, 232.70°)
OKLab	oklab(28.01% -0.0361 -0.0326)
OKLCH	oklch(28.01% 0.049 222)
XYZ	xyz(1.7905, 2.2851, 4.3489)
Luminance	0.0228 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042E3A #3A1004

analogous

#043A2B #042E3A #04133A

triadic

#042E3A #3A042E #2E3A04

tetradic

#042E3A #2B043A #3A1004 #133A04

square

#042E3A #2B043A #3A1004 #133A04

split-complementary

#042E3A #3A0413 #3A2B04

monochromatic

#02171D #02171D #042E3A #085B73 #0C89AD

Accessibility & contrast

On white

14.41

#042E3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#042E3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042E3A

14.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042E3A	#FFFFFF	#000000	##FFFFFF
##042E3A	1.00	14.41	1.46	14.41
#FFFFFF	14.41	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#272D3B

Deuteranopia (green-blind)

#20273A

Tritanopia (blue-blind)

#003232

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #042e3a;
/* rgb */ color: rgb(4, 46, 58);
/* oklch */ color: oklch(28.0% 0.049 222.0);

Tailwind

colors: {
  custom: {
    50: '#4f6670',
    500: '#042e3a',
    950: '#000000',
  },
}

SCSS

$custom: #042e3a;
$custom-light: #4f6670;
$custom-dark: #000000;

JSON

{
  "hex": "#042e3a",
  "rgb": {
    "r": 4,
    "g": 46,
    "b": 58
  },
  "hsl": {
    "h": 193.333,
    "s": 87.097,
    "l": 12.157
  },
  "oklch": {
    "l": 0.28013,
    "c": 0.04864,
    "h": 222
  },
  "luminance": 0.02285
}

Semantic roles & 50–950 ramp

primary

#042E3A

secondary

#7C331E

accent

#592BFD

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#020607

muted

#787A7A

Preview Lab

Preview with #042E3A

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

Preview Lab → · Contrast checker → · Palette generator →