#042C3A#042C3A

#042C3A is a dark, muted cyan. Relative luminance 0.021; OKLCH L 27.4% C 0.049 H 226.7°. Best body text is #FFFFFF at 14.72:1 contrast (WCAG AA passes).

Color values

HEX	#042C3A
RGB	rgb(4, 44, 58)
HSL	hsl(196, 87%, 12%)
HSV	hsv(196, 93%, 23%)
CMYK	cmyk(93.1%, 24.1%, 0%, 77.3%)
CIE-LAB	lab(16.17, -7.53, -12.77)
CIE-LCH	lch(16.17, 14.83, 239.48°)
OKLab	oklab(27.41% -0.0338 -0.0359)
OKLCH	oklch(27.41% 0.049 226.7)
XYZ	xyz(1.7142, 2.1324, 4.3234)
Luminance	0.0213 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042C3A #3A1204

analogous

#043A2D #042C3A #04113A

triadic

#042C3A #3A042C #2C3A04

tetradic

#042C3A #2D043A #3A1204 #113A04

square

#042C3A #2D043A #3A1204 #113A04

split-complementary

#042C3A #3A0411 #3A2D04

monochromatic

#02161D #02161D #042C3A #085773 #0C83AD

Accessibility & contrast

On white

14.72

#042C3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#042C3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042C3A

14.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042C3A	#FFFFFF	#000000	##FFFFFF
##042C3A	1.00	14.72	1.43	14.72
#FFFFFF	14.72	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#242B3B

Deuteranopia (green-blind)

#1D263A

Tritanopia (blue-blind)

#003031

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #042c3a;
/* rgb */ color: rgb(4, 44, 58);
/* oklch */ color: oklch(27.4% 0.049 226.7);

Tailwind

colors: {
  custom: {
    50: '#4f6570',
    500: '#042c3a',
    950: '#000000',
  },
}

SCSS

$custom: #042c3a;
$custom-light: #4f6570;
$custom-dark: #000000;

JSON

{
  "hex": "#042c3a",
  "rgb": {
    "r": 4,
    "g": 44,
    "b": 58
  },
  "hsl": {
    "h": 195.556,
    "s": 87.097,
    "l": 12.157
  },
  "oklch": {
    "l": 0.27411,
    "c": 0.04934,
    "h": 226.7
  },
  "luminance": 0.02133
}

Semantic roles & 50–950 ramp

primary

#042C3A

secondary

#7C361E

accent

#612BFD

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#020507

muted

#787A7A

Preview Lab

Preview with #042C3A

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

Preview Lab → · Contrast checker → · Palette generator →