#042347#042347

#042347 is a dark, moderate cyan. Relative luminance 0.017; OKLCH L 25.7% C 0.076 H 254.8°. Best body text is #FFFFFF at 15.71:1 contrast (WCAG AA passes).

Color values

HEX	#042347
RGB	rgb(4, 35, 71)
HSL	hsl(212, 89%, 15%)
HSV	hsv(212, 94%, 28%)
CMYK	cmyk(94.4%, 50.7%, 0%, 72.2%)
CIE-LAB	lab(13.72, 4.85, -25.65)
CIE-LCH	lch(13.72, 26.11, 280.71°)
OKLab	oklab(25.75% -0.02 -0.0737)
OKLCH	oklch(25.75% 0.076 254.8)
XYZ	xyz(1.7880, 1.6826, 6.1905)
Luminance	0.0168 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042347 #472804

analogous

#044547 #042347 #070447

triadic

#042347 #470423 #234704

tetradic

#042347 #470445 #472804 #044707

square

#042347 #470445 #472804 #044707

split-complementary

#042347 #470704 #454704

monochromatic

#020E1D #020E1D #042347 #074081 #0B5CBB

Accessibility & contrast

On white

15.71

#042347 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#042347 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042347

15.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042347	#FFFFFF	#000000	##FFFFFF
##042347	1.00	15.71	1.34	15.71
#FFFFFF	15.71	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F2648

Deuteranopia (green-blind)

#022046

Tritanopia (blue-blind)

#002C31

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #042347;
/* rgb */ color: rgb(4, 35, 71);
/* oklch */ color: oklch(25.7% 0.076 254.8);

Tailwind

colors: {
  custom: {
    50: '#525d7a',
    500: '#042347',
    950: '#000000',
  },
}

SCSS

$custom: #042347;
$custom-light: #525d7a;
$custom-dark: #000000;

JSON

{
  "hex": "#042347",
  "rgb": {
    "r": 4,
    "g": 35,
    "b": 71
  },
  "hsl": {
    "h": 212.239,
    "s": 89.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.25749,
    "c": 0.07637,
    "h": 254.8
  },
  "luminance": 0.01683
}

Semantic roles & 50–950 ramp

primary

#042347

secondary

#88571F

accent

#9C29FF

background

#F4F5F7

surface

#E8E9ED

border

#C4C5C8

text

#030409

muted

#78797B

Preview Lab

Preview with #042347

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

Preview Lab → · Contrast checker → · Palette generator →