#040E36#040E36

#040E36 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.8% C 0.080 H 266.0°. Best body text is #FFFFFF at 18.73:1 contrast (WCAG AA passes).

Color values

HEX	#040E36
RGB	rgb(4, 14, 54)
HSL	hsl(228, 86%, 11%)
HSV	hsv(228, 93%, 21%)
CMYK	cmyk(92.6%, 74.1%, 0%, 78.8%)
CIE-LAB	lab(5.47, 12.14, -26.93)
CIE-LCH	lch(5.47, 29.54, 294.26°)
OKLab	oklab(18.75% -0.0055 -0.0796)
OKLCH	oklch(18.75% 0.08 266)
XYZ	xyz(0.8727, 0.6061, 3.5603)
Luminance	0.0061 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 2.99

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040E36 #362C04

analogous

#042736 #040E36 #130436

triadic

#040E36 #36040E #0E3604

tetradic

#040E36 #360427 #362C04 #043613

square

#040E36 #360427 #362C04 #043613

split-complementary

#040E36 #361304 #273604

monochromatic

#02071C #02071C #040E36 #081D6F #0C2CA8

Accessibility & contrast

On white

18.73

#040E36 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#040E36 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040E36

18.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040E36	#FFFFFF	#000000	##FFFFFF
##040E36	1.00	18.73	1.12	18.73
#FFFFFF	18.73	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001537

Deuteranopia (green-blind)

#001035

Tritanopia (blue-blind)

#001920

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #040e36;
/* rgb */ color: rgb(4, 14, 54);
/* oklch */ color: oklch(18.8% 0.080 266.0);

Tailwind

colors: {
  custom: {
    50: '#4d4c6d',
    500: '#040e36',
    950: '#000000',
  },
}

SCSS

$custom: #040e36;
$custom-light: #4d4c6d;
$custom-dark: #000000;

JSON

{
  "hex": "#040e36",
  "rgb": {
    "r": 4,
    "g": 14,
    "b": 54
  },
  "hsl": {
    "h": 228,
    "s": 86.207,
    "l": 11.373
  },
  "oklch": {
    "l": 0.18751,
    "c": 0.07976,
    "h": 266
  },
  "luminance": 0.00606
}

Semantic roles & 50–950 ramp

primary

#040E36

secondary

#78661E

accent

#D32BFC

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020107

muted

#78777A

Preview Lab

Preview with #040E36

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

Preview Lab → · Contrast checker → · Palette generator →