#040E46#040E46

#040E46 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.7% C 0.104 H 266.4°. Best body text is #FFFFFF at 18.16:1 contrast (WCAG AA passes).

Color values

HEX	#040E46
RGB	rgb(4, 14, 70)
HSL	hsl(231, 89%, 15%)
HSV	hsv(231, 94%, 27%)
CMYK	cmyk(94.3%, 80%, 0%, 72.5%)
CIE-LAB	lab(7.06, 20.54, -35.81)
CIE-LCH	lch(7.06, 41.28, 299.84°)
OKLab	oklab(20.68% -0.0066 -0.104)
OKLCH	oklch(20.68% 0.104 266.4)
XYZ	xyz(1.3122, 0.7819, 5.8749)
Luminance	0.0078 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040E46 #463C04

analogous

#042F46 #040E46 #1B0446

triadic

#040E46 #46040E #0E4604

tetradic

#040E46 #46042F #463C04 #04461B

square

#040E46 #46042F #463C04 #04461B

split-complementary

#040E46 #461B04 #2F4604

monochromatic

#02061D #02061D #040E46 #071A80 #0B25BA

Accessibility & contrast

On white

18.16

#040E46 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#040E46 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040E46

18.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040E46	#FFFFFF	#000000	##FFFFFF
##040E46	1.00	18.16	1.16	18.16
#FFFFFF	18.16	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001948

Deuteranopia (green-blind)

#001245

Tritanopia (blue-blind)

#001E28

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #040e46;
/* rgb */ color: rgb(4, 14, 70);
/* oklch */ color: oklch(20.7% 0.104 266.4);

Tailwind

colors: {
  custom: {
    50: '#544c7a',
    500: '#040e46',
    950: '#000000',
  },
}

SCSS

$custom: #040e46;
$custom-light: #544c7a;
$custom-dark: #000000;

JSON

{
  "hex": "#040e46",
  "rgb": {
    "r": 4,
    "g": 14,
    "b": 70
  },
  "hsl": {
    "h": 230.909,
    "s": 89.189,
    "l": 14.51
  },
  "oklch": {
    "l": 0.20684,
    "c": 0.10425,
    "h": 266.4
  },
  "luminance": 0.00782
}

Semantic roles & 50–950 ramp

primary

#040E46

secondary

#87771F

accent

#DF29FF

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#030109

muted

#78777B

Preview Lab

Preview with #040E46

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

Preview Lab → · Contrast checker → · Palette generator →