#040D32#040D32

#040D32 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.1% C 0.075 H 266.3°. Best body text is #FFFFFF at 18.94:1 contrast (WCAG AA passes).

Color values

HEX	#040D32
RGB	rgb(4, 13, 50)
HSL	hsl(228, 85%, 11%)
HSV	hsv(228, 92%, 20%)
CMYK	cmyk(92%, 74%, 0%, 80.4%)
CIE-LAB	lab(4.91, 10.35, -24.89)
CIE-LCH	lch(4.91, 26.96, 292.57°)
OKLab	oklab(18.06% -0.0048 -0.0746)
OKLCH	oklch(18.06% 0.075 266.3)
XYZ	xyz(0.7695, 0.5439, 3.0814)
Luminance	0.0054 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 3.72

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040D32 #322904

analogous

#042432 #040D32 #120432

triadic

#040D32 #32040D #0D3204

tetradic

#040D32 #320424 #322904 #043212

square

#040D32 #320424 #322904 #043212

split-complementary

#040D32 #321204 #243204

monochromatic

#02071C #02071C #040D32 #091C6B #0D2AA3

Accessibility & contrast

On white

18.94

#040D32 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#040D32 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040D32

18.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040D32	#FFFFFF	#000000	##FFFFFF
##040D32	1.00	18.94	1.11	18.94
#FFFFFF	18.94	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001333

Deuteranopia (green-blind)

#000E31

Tritanopia (blue-blind)

#00171D

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #040d32;
/* rgb */ color: rgb(4, 13, 50);
/* oklch */ color: oklch(18.1% 0.075 266.3);

Tailwind

colors: {
  custom: {
    50: '#4b4c6a',
    500: '#040d32',
    950: '#000000',
  },
}

SCSS

$custom: #040d32;
$custom-light: #4b4c6a;
$custom-dark: #000000;

JSON

{
  "hex": "#040d32",
  "rgb": {
    "r": 4,
    "g": 13,
    "b": 50
  },
  "hsl": {
    "h": 228.261,
    "s": 85.185,
    "l": 10.588
  },
  "oklch": {
    "l": 0.18061,
    "c": 0.07472,
    "h": 266.3
  },
  "luminance": 0.00544
}

Semantic roles & 50–950 ramp

primary

#040D32

secondary

#74631D

accent

#D32CFB

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #040D32

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

Preview Lab → · Contrast checker → · Palette generator →