#040D26#040D26

#040D26 is a very dark, muted blue. Relative luminance 0.005; OKLCH L 16.8% C 0.054 H 264.1°. Best body text is #FFFFFF at 19.25:1 contrast (WCAG AA passes).

Color values

HEX	#040D26
RGB	rgb(4, 13, 38)
HSL	hsl(224, 81%, 8%)
HSV	hsv(224, 89%, 15%)
CMYK	cmyk(89.5%, 65.8%, 0%, 85.1%)
CIE-LAB	lab(4.10, 4.62, -17.16)
CIE-LCH	lch(4.10, 17.77, 285.06°)
OKLab	oklab(16.79% -0.0056 -0.0538)
OKLCH	oklch(16.79% 0.054 264.1)
XYZ	xyz(0.5437, 0.4535, 1.8922)
Luminance	0.0045 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.70

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040D26 #261D04

analogous

#041E26 #040D26 #0C0426

triadic

#040D26 #26040D #0D2604

tetradic

#040D26 #26041E #261D04 #04260C

square

#040D26 #26041E #261D04 #04260C

split-complementary

#040D26 #260C04 #1E2604

monochromatic

#03091C #03091C #040D26 #0A205D #103395

Accessibility & contrast

On white

19.25

#040D26 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#040D26 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040D26

19.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040D26	#FFFFFF	#000000	##FFFFFF
##040D26	1.00	19.25	1.09	19.25
#FFFFFF	19.25	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#011027

Deuteranopia (green-blind)

#000D25

Tritanopia (blue-blind)

#001317

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #040d26;
/* rgb */ color: rgb(4, 13, 38);
/* oklch */ color: oklch(16.8% 0.054 264.1);

Tailwind

colors: {
  custom: {
    50: '#484c60',
    500: '#040d26',
    950: '#000000',
  },
}

SCSS

$custom: #040d26;
$custom-light: #484c60;
$custom-dark: #000000;

JSON

{
  "hex": "#040d26",
  "rgb": {
    "r": 4,
    "g": 13,
    "b": 38
  },
  "hsl": {
    "h": 224.118,
    "s": 80.952,
    "l": 8.235
  },
  "oklch": {
    "l": 0.16787,
    "c": 0.05407,
    "h": 264.1
  },
  "luminance": 0.00454
}

Semantic roles & 50–950 ramp

primary

#040D26

secondary

#69551D

accent

#C330F7

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010105

muted

#777779

Preview Lab

Preview with #040D26

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

Preview Lab → · Contrast checker → · Palette generator →