#040E32#040E32

#040E32 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.3% C 0.073 H 265.7°. Best body text is #FFFFFF at 18.85:1 contrast (WCAG AA passes).

Color values

HEX	#040E32
RGB	rgb(4, 14, 50)
HSL	hsl(227, 85%, 11%)
HSV	hsv(227, 92%, 20%)
CMYK	cmyk(92%, 72%, 0%, 80.4%)
CIE-LAB	lab(5.15, 9.86, -24.51)
CIE-LCH	lch(5.15, 26.42, 291.92°)
OKLab	oklab(18.3% -0.0055 -0.073)
OKLCH	oklch(18.3% 0.073 265.7)
XYZ	xyz(0.7826, 0.5701, 3.0858)
Luminance	0.0057 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.01

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040E32 #322804

analogous

#042532 #040E32 #110432

triadic

#040E32 #32040E #0E3204

tetradic

#040E32 #320425 #322804 #043211

square

#040E32 #320425 #322804 #043211

split-complementary

#040E32 #321104 #253204

monochromatic

#02081C #02081C #040E32 #091E6B #0D2EA3

Accessibility & contrast

On white

18.85

#040E32 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#040E32 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040E32

18.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040E32	#FFFFFF	#000000	##FFFFFF
##040E32	1.00	18.85	1.11	18.85
#FFFFFF	18.85	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001433

Deuteranopia (green-blind)

#000F31

Tritanopia (blue-blind)

#00171E

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #040e32;
/* rgb */ color: rgb(4, 14, 50);
/* oklch */ color: oklch(18.3% 0.073 265.7);

Tailwind

colors: {
  custom: {
    50: '#4b4d6a',
    500: '#040e32',
    950: '#000000',
  },
}

SCSS

$custom: #040e32;
$custom-light: #4b4d6a;
$custom-dark: #000000;

JSON

{
  "hex": "#040e32",
  "rgb": {
    "r": 4,
    "g": 14,
    "b": 50
  },
  "hsl": {
    "h": 226.957,
    "s": 85.185,
    "l": 10.588
  },
  "oklch": {
    "l": 0.18301,
    "c": 0.07322,
    "h": 265.7
  },
  "luminance": 0.0057
}

Semantic roles & 50–950 ramp

primary

#040E32

secondary

#74611D

accent

#CE2CFB

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #040E32

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

Preview Lab → · Contrast checker → · Palette generator →