#040441#040441

#040441 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.2% C 0.109 H 268.4°. Best body text is #FFFFFF at 19.11:1 contrast (WCAG AA passes).

Color values

HEX	#040441
RGB	rgb(4, 4, 65)
HSL	hsl(240, 88%, 14%)
HSV	hsv(240, 94%, 25%)
CMYK	cmyk(93.8%, 93.8%, 0%, 74.5%)
CIE-LAB	lab(4.46, 23.05, -36.53)
CIE-LCH	lch(4.46, 43.20, 302.26°)
OKLab	oklab(18.18% -0.003 -0.1093)
OKLCH	oklch(18.18% 0.109 268.4)
XYZ	xyz(1.0473, 0.4942, 5.0402)
Luminance	0.0049 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Night Blue

#040348

ΔE00 1.89

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040441 #414104

analogous

#042241 #040441 #220441

triadic

#040441 #410404 #044104

tetradic

#040441 #410422 #414104 #044122

square

#040441 #410422 #414104 #044122

split-complementary

#040441 #412204 #224104

monochromatic

#02021D #02021D #040441 #08087B #0B0BB4

Accessibility & contrast

On white

19.11

#040441 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#040441 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040441

19.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040441	#FFFFFF	#000000	##FFFFFF
##040441	1.00	19.11	1.10	19.11
#FFFFFF	19.11	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001343

Deuteranopia (green-blind)

#000C40

Tritanopia (blue-blind)

#001723

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #040441;
/* rgb */ color: rgb(4, 4, 65);
/* oklch */ color: oklch(18.2% 0.109 268.4);

Tailwind

colors: {
  custom: {
    50: '#524776',
    500: '#040441',
    950: '#000000',
  },
}

SCSS

$custom: #040441;
$custom-light: #524776;
$custom-dark: #000000;

JSON

{
  "hex": "#040441",
  "rgb": {
    "r": 4,
    "g": 4,
    "b": 65
  },
  "hsl": {
    "h": 240,
    "s": 88.406,
    "l": 13.529
  },
  "oklch": {
    "l": 0.18179,
    "c": 0.1093,
    "h": 268.4
  },
  "luminance": 0.00494
}

Semantic roles & 50–950 ramp

primary

#040441

secondary

#82821F

accent

#FF29FF

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#030009

muted

#78777B

Preview Lab

Preview with #040441

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

Preview Lab → · Contrast checker → · Palette generator →