#042647#042647

#042647 is a dark, moderate cyan. Relative luminance 0.019; OKLCH L 26.6% C 0.072 H 251.7°. Best body text is #FFFFFF at 15.29:1 contrast (WCAG AA passes).

Color values

HEX	#042647
RGB	rgb(4, 38, 71)
HSL	hsl(210, 89%, 15%)
HSV	hsv(210, 94%, 28%)
CMYK	cmyk(94.4%, 46.5%, 0%, 72.2%)
CIE-LAB	lab(14.77, 2.59, -23.98)
CIE-LCH	lch(14.77, 24.12, 276.16°)
OKLab	oklab(26.56% -0.0227 -0.0687)
OKLCH	oklch(26.56% 0.072 251.7)
XYZ	xyz(1.8801, 1.8667, 6.2212)
Luminance	0.0187 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042647 #472504

analogous

#044747 #042647 #040547

triadic

#042647 #470426 #264704

tetradic

#042647 #470447 #472504 #054704

square

#042647 #470447 #472504 #054704

split-complementary

#042647 #470405 #474704

monochromatic

#02101D #02101D #042647 #074581 #0B64BB

Accessibility & contrast

On white

15.29

#042647 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#042647 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042647

15.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042647	#FFFFFF	#000000	##FFFFFF
##042647	1.00	15.29	1.37	15.29
#FFFFFF	15.29	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#152848

Deuteranopia (green-blind)

#092246

Tritanopia (blue-blind)

#002E33

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #042647;
/* rgb */ color: rgb(4, 38, 71);
/* oklch */ color: oklch(26.6% 0.072 251.7);

Tailwind

colors: {
  custom: {
    50: '#525f7a',
    500: '#042647',
    950: '#000000',
  },
}

SCSS

$custom: #042647;
$custom-light: #525f7a;
$custom-dark: #000000;

JSON

{
  "hex": "#042647",
  "rgb": {
    "r": 4,
    "g": 38,
    "b": 71
  },
  "hsl": {
    "h": 209.552,
    "s": 89.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.26564,
    "c": 0.07236,
    "h": 251.7
  },
  "luminance": 0.01867
}

Semantic roles & 50–950 ramp

primary

#042647

secondary

#88531F

accent

#9229FF

background

#F4F5F7

surface

#E8E9ED

border

#C4C5C8

text

#030409

muted

#78797B

Preview Lab

Preview with #042647

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

Preview Lab → · Contrast checker → · Palette generator →