#040C32#040C32

#040C32 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.8% C 0.076 H 266.9°. Best body text is #FFFFFF at 19.03:1 contrast (WCAG AA passes).

Color values

HEX	#040C32
RGB	rgb(4, 12, 50)
HSL	hsl(230, 85%, 11%)
HSV	hsv(230, 92%, 20%)
CMYK	cmyk(92%, 76%, 0%, 80.4%)
CIE-LAB	lab(4.69, 10.81, -25.25)
CIE-LCH	lch(4.69, 27.47, 293.17°)
OKLab	oklab(17.83% -0.0041 -0.0761)
OKLCH	oklch(17.83% 0.076 266.9)
XYZ	xyz(0.7571, 0.5190, 3.0773)
Luminance	0.0052 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 3.44

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040C32 #322A04

analogous

#042332 #040C32 #130432

triadic

#040C32 #32040C #0C3204

tetradic

#040C32 #320423 #322A04 #043213

square

#040C32 #320423 #322A04 #043213

split-complementary

#040C32 #321304 #233204

monochromatic

#02071C #02071C #040C32 #091A6B #0D27A3

Accessibility & contrast

On white

19.03

#040C32 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#040C32 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040C32

19.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040C32	#FFFFFF	#000000	##FFFFFF
##040C32	1.00	19.03	1.10	19.03
#FFFFFF	19.03	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001233

Deuteranopia (green-blind)

#000E31

Tritanopia (blue-blind)

#00161D

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #040c32;
/* rgb */ color: rgb(4, 12, 50);
/* oklch */ color: oklch(17.8% 0.076 266.9);

Tailwind

colors: {
  custom: {
    50: '#4b4c6a',
    500: '#040c32',
    950: '#000000',
  },
}

SCSS

$custom: #040c32;
$custom-light: #4b4c6a;
$custom-dark: #000000;

JSON

{
  "hex": "#040c32",
  "rgb": {
    "r": 4,
    "g": 12,
    "b": 50
  },
  "hsl": {
    "h": 229.565,
    "s": 85.185,
    "l": 10.588
  },
  "oklch": {
    "l": 0.17827,
    "c": 0.07621,
    "h": 266.9
  },
  "luminance": 0.00519
}

Semantic roles & 50–950 ramp

primary

#040C32

secondary

#74651D

accent

#D72CFB

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #040C32

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

Preview Lab → · Contrast checker → · Palette generator →