#040C36#040C36

#040C36 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.3% C 0.083 H 267.0°. Best body text is #FFFFFF at 18.90:1 contrast (WCAG AA passes).

Color values

HEX	#040C36
RGB	rgb(4, 12, 54)
HSL	hsl(230, 86%, 11%)
HSV	hsv(230, 93%, 21%)
CMYK	cmyk(92.6%, 77.8%, 0%, 78.8%)
CIE-LAB	lab(5.01, 13.10, -27.67)
CIE-LCH	lch(5.01, 30.62, 295.32°)
OKLab	oklab(18.3% -0.0043 -0.0825)
OKLCH	oklch(18.3% 0.083 267)
XYZ	xyz(0.8472, 0.5550, 3.5518)
Luminance	0.0056 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040C36 #362E04

analogous

#042536 #040C36 #150436

triadic

#040C36 #36040C #0C3604

tetradic

#040C36 #360425 #362E04 #043615

square

#040C36 #360425 #362E04 #043615

split-complementary

#040C36 #361504 #253604

monochromatic

#02061C #02061C #040C36 #08196F #0C25A8

Accessibility & contrast

On white

18.90

#040C36 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#040C36 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040C36

18.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040C36	#FFFFFF	#000000	##FFFFFF
##040C36	1.00	18.90	1.11	18.90
#FFFFFF	18.90	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001337

Deuteranopia (green-blind)

#000E35

Tritanopia (blue-blind)

#00171F

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #040c36;
/* rgb */ color: rgb(4, 12, 54);
/* oklch */ color: oklch(18.3% 0.083 267.0);

Tailwind

colors: {
  custom: {
    50: '#4d4b6d',
    500: '#040c36',
    950: '#000000',
  },
}

SCSS

$custom: #040c36;
$custom-light: #4d4b6d;
$custom-dark: #000000;

JSON

{
  "hex": "#040c36",
  "rgb": {
    "r": 4,
    "g": 12,
    "b": 54
  },
  "hsl": {
    "h": 230.4,
    "s": 86.207,
    "l": 11.373
  },
  "oklch": {
    "l": 0.183,
    "c": 0.08264,
    "h": 267
  },
  "luminance": 0.00555
}

Semantic roles & 50–950 ramp

primary

#040C36

secondary

#786A1E

accent

#DB2BFC

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020107

muted

#78777A

Preview Lab

Preview with #040C36

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

Preview Lab → · Contrast checker → · Palette generator →