#040547#040547

#040547 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 19.3% C 0.116 H 267.7°. Best body text is #FFFFFF at 18.79:1 contrast (WCAG AA passes).

Color values

HEX	#040547
RGB	rgb(4, 5, 71)
HSL	hsl(239, 89%, 15%)
HSV	hsv(239, 94%, 28%)
CMYK	cmyk(94.4%, 93%, 0%, 72.2%)
CIE-LAB	lab(5.32, 25.84, -39.38)
CIE-LCH	lch(5.32, 47.10, 303.28°)
OKLab	oklab(19.26% -0.0046 -0.1159)
OKLCH	oklch(19.26% 0.116 267.7)
XYZ	xyz(1.2413, 0.5891, 6.0083)
Luminance	0.0059 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040547 #474604

analogous

#042747 #040547 #240447

triadic

#040547 #470405 #054704

tetradic

#040547 #470427 #474604 #044724

square

#040547 #470427 #474604 #044724

split-complementary

#040547 #472404 #274704

monochromatic

#02021D #02021D #040547 #070981 #0B0DBB

Accessibility & contrast

On white

18.79

#040547 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#040547 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040547

18.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040547	#FFFFFF	#000000	##FFFFFF
##040547	1.00	18.79	1.12	18.79
#FFFFFF	18.79	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001549

Deuteranopia (green-blind)

#000E46

Tritanopia (blue-blind)

#001A27

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #040547;
/* rgb */ color: rgb(4, 5, 71);
/* oklch */ color: oklch(19.3% 0.116 267.7);

Tailwind

colors: {
  custom: {
    50: '#54477b',
    500: '#040547',
    950: '#000000',
  },
}

SCSS

$custom: #040547;
$custom-light: #54477b;
$custom-dark: #000000;

JSON

{
  "hex": "#040547",
  "rgb": {
    "r": 4,
    "g": 5,
    "b": 71
  },
  "hsl": {
    "h": 239.104,
    "s": 89.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.1926,
    "c": 0.11596,
    "h": 267.7
  },
  "luminance": 0.00589
}

Semantic roles & 50–950 ramp

primary

#040547

secondary

#88861F

accent

#FC29FF

background

#F5F4F7

surface

#E9E6EE

border

#C5C2C9

text

#030009

muted

#78777B

Preview Lab

Preview with #040547

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

Preview Lab → · Contrast checker → · Palette generator →