#042747#042747

#042747 is a dark, moderate cyan. Relative luminance 0.019; OKLCH L 26.8% C 0.071 H 250.5°. Best body text is #FFFFFF at 15.15:1 contrast (WCAG AA passes).

Color values

HEX	#042747
RGB	rgb(4, 39, 71)
HSL	hsl(209, 89%, 15%)
HSV	hsv(209, 94%, 28%)
CMYK	cmyk(94.4%, 45.1%, 0%, 72.2%)
CIE-LAB	lab(15.12, 1.84, -23.41)
CIE-LCH	lch(15.12, 23.49, 274.50°)
OKLab	oklab(26.84% -0.0237 -0.067)
OKLCH	oklch(26.84% 0.071 250.5)
XYZ	xyz(1.9125, 1.9315, 6.2320)
Luminance	0.0193 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042747 #472404

analogous

#044746 #042747 #040547

triadic

#042747 #470427 #274704

tetradic

#042747 #460447 #472404 #054704

square

#042747 #460447 #472404 #054704

split-complementary

#042747 #470405 #474604

monochromatic

#02101D #02101D #042747 #074781 #0B67BB

Accessibility & contrast

On white

15.15

#042747 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#042747 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042747

15.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042747	#FFFFFF	#000000	##FFFFFF
##042747	1.00	15.15	1.39	15.15
#FFFFFF	15.15	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#172948

Deuteranopia (green-blind)

#0C2346

Tritanopia (blue-blind)

#002F33

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #042747;
/* rgb */ color: rgb(4, 39, 71);
/* oklch */ color: oklch(26.8% 0.071 250.5);

Tailwind

colors: {
  custom: {
    50: '#52607a',
    500: '#042747',
    950: '#000000',
  },
}

SCSS

$custom: #042747;
$custom-light: #52607a;
$custom-dark: #000000;

JSON

{
  "hex": "#042747",
  "rgb": {
    "r": 4,
    "g": 39,
    "b": 71
  },
  "hsl": {
    "h": 208.657,
    "s": 89.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.26839,
    "c": 0.07107,
    "h": 250.5
  },
  "luminance": 0.01932
}

Semantic roles & 50–950 ramp

primary

#042747

secondary

#88511F

accent

#8F29FF

background

#F4F5F7

surface

#E8E9ED

border

#C4C5C8

text

#030409

muted

#78797B

Preview Lab

Preview with #042747

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

Preview Lab → · Contrast checker → · Palette generator →