#042247#042247

#042247 is a dark, moderate cyan. Relative luminance 0.016; OKLCH L 25.5% C 0.078 H 255.7°. Best body text is #FFFFFF at 15.85:1 contrast (WCAG AA passes).

Color values

HEX	#042247
RGB	rgb(4, 34, 71)
HSL	hsl(213, 89%, 15%)
HSV	hsv(213, 94%, 28%)
CMYK	cmyk(94.4%, 52.1%, 0%, 72.2%)
CIE-LAB	lab(13.38, 5.62, -26.21)
CIE-LCH	lch(13.38, 26.81, 282.10°)
OKLab	oklab(25.48% -0.0191 -0.0754)
OKLCH	oklch(25.48% 0.078 255.7)
XYZ	xyz(1.7590, 1.6246, 6.1809)
Luminance	0.0163 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042247 #472904

analogous

#044447 #042247 #070447

triadic

#042247 #470422 #224704

tetradic

#042247 #470444 #472904 #044707

square

#042247 #470444 #472904 #044707

split-complementary

#042247 #470704 #444704

monochromatic

#020E1D #020E1D #042247 #073E81 #0B59BB

Accessibility & contrast

On white

15.85

#042247 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#042247 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042247

15.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042247	#FFFFFF	#000000	##FFFFFF
##042247	1.00	15.85	1.33	15.85
#FFFFFF	15.85	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D2648

Deuteranopia (green-blind)

#002046

Tritanopia (blue-blind)

#002B31

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #042247;
/* rgb */ color: rgb(4, 34, 71);
/* oklch */ color: oklch(25.5% 0.078 255.7);

Tailwind

colors: {
  custom: {
    50: '#525c7a',
    500: '#042247',
    950: '#000000',
  },
}

SCSS

$custom: #042247;
$custom-light: #525c7a;
$custom-dark: #000000;

JSON

{
  "hex": "#042247",
  "rgb": {
    "r": 4,
    "g": 34,
    "b": 71
  },
  "hsl": {
    "h": 213.134,
    "s": 89.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.25482,
    "c": 0.07775,
    "h": 255.7
  },
  "luminance": 0.01625
}

Semantic roles & 50–950 ramp

primary

#042247

secondary

#88591F

accent

#9F29FF

background

#F5F5F7

surface

#E8E9ED

border

#C4C5C8

text

#030409

muted

#78797B

Preview Lab

Preview with #042247

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

Preview Lab → · Contrast checker → · Palette generator →