#042733#042733

#042733 is a dark, muted cyan. Relative luminance 0.017; OKLCH L 25.5% C 0.045 H 225.5°. Best body text is #FFFFFF at 15.63:1 contrast (WCAG AA passes).

Color values

HEX	#042733
RGB	rgb(4, 39, 51)
HSL	hsl(195, 85%, 11%)
HSV	hsv(195, 92%, 20%)
CMYK	cmyk(92.2%, 23.5%, 0%, 80%)
CIE-LAB	lab(13.92, -7.19, -11.34)
CIE-LCH	lch(13.92, 13.42, 237.61°)
OKLab	oklab(25.49% -0.0312 -0.0318)
OKLCH	oklch(25.49% 0.045 225.5)
XYZ	xyz(1.3729, 1.7157, 3.3901)
Luminance	0.0172 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042733 #331004

analogous

#043327 #042733 #040F33

triadic

#042733 #330427 #273304

tetradic

#042733 #270433 #331004 #0F3304

square

#042733 #270433 #331004 #0F3304

split-complementary

#042733 #33040F #332704

monochromatic

#02161C #02161C #042733 #08526C #0D7EA4

Accessibility & contrast

On white

15.63

#042733 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#042733 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042733

15.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042733	#FFFFFF	#000000	##FFFFFF
##042733	1.00	15.63	1.34	15.63
#FFFFFF	15.63	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#202634

Deuteranopia (green-blind)

#1A2133

Tritanopia (blue-blind)

#002B2B

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #042733;
/* rgb */ color: rgb(4, 39, 51);
/* oklch */ color: oklch(25.5% 0.045 225.5);

Tailwind

colors: {
  custom: {
    50: '#4d616a',
    500: '#042733',
    950: '#000000',
  },
}

SCSS

$custom: #042733;
$custom-light: #4d616a;
$custom-dark: #000000;

JSON

{
  "hex": "#042733",
  "rgb": {
    "r": 4,
    "g": 39,
    "b": 51
  },
  "hsl": {
    "h": 195.319,
    "s": 85.455,
    "l": 10.784
  },
  "oklch": {
    "l": 0.2549,
    "c": 0.04461,
    "h": 225.5
  },
  "luminance": 0.01716
}

Semantic roles & 50–950 ramp

primary

#042733

secondary

#75341D

accent

#612CFC

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020506

muted

#78797A

Preview Lab

Preview with #042733

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

Preview Lab → · Contrast checker → · Palette generator →