#042D3A#042D3A

#042D3A is a dark, muted cyan. Relative luminance 0.022; OKLCH L 27.7% C 0.049 H 224.4°. Best body text is #FFFFFF at 14.57:1 contrast (WCAG AA passes).

Color values

HEX	#042D3A
RGB	rgb(4, 45, 58)
HSL	hsl(194, 87%, 12%)
HSV	hsv(194, 93%, 23%)
CMYK	cmyk(93.1%, 22.4%, 0%, 77.3%)
CIE-LAB	lab(16.54, -8.19, -12.19)
CIE-LCH	lch(16.54, 14.69, 236.10°)
OKLab	oklab(27.71% -0.035 -0.0342)
OKLCH	oklch(27.71% 0.049 224.4)
XYZ	xyz(1.7519, 2.2079, 4.3360)
Luminance	0.0221 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042D3A #3A1104

analogous

#043A2C #042D3A #04123A

triadic

#042D3A #3A042D #2D3A04

tetradic

#042D3A #2C043A #3A1104 #123A04

square

#042D3A #2C043A #3A1104 #123A04

split-complementary

#042D3A #3A0412 #3A2C04

monochromatic

#02161D #02161D #042D3A #085973 #0C86AD

Accessibility & contrast

On white

14.57

#042D3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#042D3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042D3A

14.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042D3A	#FFFFFF	#000000	##FFFFFF
##042D3A	1.00	14.57	1.44	14.57
#FFFFFF	14.57	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262C3B

Deuteranopia (green-blind)

#1F273A

Tritanopia (blue-blind)

#003131

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #042d3a;
/* rgb */ color: rgb(4, 45, 58);
/* oklch */ color: oklch(27.7% 0.049 224.4);

Tailwind

colors: {
  custom: {
    50: '#4f6570',
    500: '#042d3a',
    950: '#000000',
  },
}

SCSS

$custom: #042d3a;
$custom-light: #4f6570;
$custom-dark: #000000;

JSON

{
  "hex": "#042d3a",
  "rgb": {
    "r": 4,
    "g": 45,
    "b": 58
  },
  "hsl": {
    "h": 194.444,
    "s": 87.097,
    "l": 12.157
  },
  "oklch": {
    "l": 0.27712,
    "c": 0.04893,
    "h": 224.4
  },
  "luminance": 0.02208
}

Semantic roles & 50–950 ramp

primary

#042D3A

secondary

#7C351E

accent

#5D2BFD

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#020507

muted

#787A7A

Preview Lab

Preview with #042D3A

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

Preview Lab → · Contrast checker → · Palette generator →