#042447#042447

#042447 is a dark, moderate cyan. Relative luminance 0.017; OKLCH L 26.0% C 0.075 H 253.8°. Best body text is #FFFFFF at 15.57:1 contrast (WCAG AA passes).

Color values

HEX	#042447
RGB	rgb(4, 36, 71)
HSL	hsl(211, 89%, 15%)
HSV	hsv(211, 94%, 28%)
CMYK	cmyk(94.4%, 49.3%, 0%, 72.2%)
CIE-LAB	lab(14.07, 4.09, -25.10)
CIE-LCH	lch(14.07, 25.43, 279.26°)
OKLab	oklab(26.02% -0.0209 -0.072)
OKLCH	oklch(26.02% 0.075 253.8)
XYZ	xyz(1.8178, 1.7423, 6.2005)
Luminance	0.0174 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042447 #472704

analogous

#044647 #042447 #050447

triadic

#042447 #470424 #244704

tetradic

#042447 #470446 #472704 #044705

square

#042447 #470446 #472704 #044705

split-complementary

#042447 #470504 #464704

monochromatic

#020F1D #020F1D #042447 #074181 #0B5FBB

Accessibility & contrast

On white

15.57

#042447 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#042447 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042447

15.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042447	#FFFFFF	#000000	##FFFFFF
##042447	1.00	15.57	1.35	15.57
#FFFFFF	15.57	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#122748

Deuteranopia (green-blind)

#042146

Tritanopia (blue-blind)

#002C32

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #042447;
/* rgb */ color: rgb(4, 36, 71);
/* oklch */ color: oklch(26.0% 0.075 253.8);

Tailwind

colors: {
  custom: {
    50: '#525e7a',
    500: '#042447',
    950: '#000000',
  },
}

SCSS

$custom: #042447;
$custom-light: #525e7a;
$custom-dark: #000000;

JSON

{
  "hex": "#042447",
  "rgb": {
    "r": 4,
    "g": 36,
    "b": 71
  },
  "hsl": {
    "h": 211.343,
    "s": 89.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.26019,
    "c": 0.075,
    "h": 253.8
  },
  "luminance": 0.01742
}

Semantic roles & 50–950 ramp

primary

#042447

secondary

#88561F

accent

#9929FF

background

#F4F5F7

surface

#E8E9ED

border

#C4C5C8

text

#030409

muted

#78797B

Preview Lab

Preview with #042447

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

Preview Lab → · Contrast checker → · Palette generator →