#042534#042534

#042534 is a very dark, muted cyan. Relative luminance 0.016; OKLCH L 24.9% C 0.047 H 232.5°. Best body text is #FFFFFF at 15.92:1 contrast (WCAG AA passes).

Color values

HEX	#042534
RGB	rgb(4, 37, 52)
HSL	hsl(199, 86%, 11%)
HSV	hsv(199, 92%, 20%)
CMYK	cmyk(92.3%, 28.8%, 0%, 79.6%)
CIE-LAB	lab(13.21, -5.38, -13.15)
CIE-LCH	lch(13.21, 14.20, 247.74°)
OKLab	oklab(24.94% -0.0284 -0.0371)
OKLCH	oklch(24.94% 0.047 232.5)
XYZ	xyz(1.3312, 1.5967, 3.4862)
Luminance	0.0160 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042534 #341304

analogous

#04342B #042534 #040D34

triadic

#042534 #340425 #253404

tetradic

#042534 #2B0434 #341304 #0D3404

square

#042534 #2B0434 #341304 #0D3404

split-complementary

#042534 #34040D #342B04

monochromatic

#02141C #02141C #042534 #084D6D #0D76A6

Accessibility & contrast

On white

15.92

#042534 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#042534 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042534

15.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042534	#FFFFFF	#000000	##FFFFFF
##042534	1.00	15.92	1.32	15.92
#FFFFFF	15.92	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D2535

Deuteranopia (green-blind)

#172034

Tritanopia (blue-blind)

#00292A

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #042534;
/* rgb */ color: rgb(4, 37, 52);
/* oklch */ color: oklch(24.9% 0.047 232.5);

Tailwind

colors: {
  custom: {
    50: '#4d5f6b',
    500: '#042534',
    950: '#000000',
  },
}

SCSS

$custom: #042534;
$custom-light: #4d5f6b;
$custom-dark: #000000;

JSON

{
  "hex": "#042534",
  "rgb": {
    "r": 4,
    "g": 37,
    "b": 52
  },
  "hsl": {
    "h": 198.75,
    "s": 85.714,
    "l": 10.98
  },
  "oklch": {
    "l": 0.24941,
    "c": 0.04671,
    "h": 232.5
  },
  "luminance": 0.01597
}

Semantic roles & 50–950 ramp

primary

#042534

secondary

#76391E

accent

#6D2CFC

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020406

muted

#78797A

Preview Lab

Preview with #042534

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

Preview Lab → · Contrast checker → · Palette generator →