#040C26#040C26

#040C26 is a very dark, muted blue. Relative luminance 0.004; OKLCH L 16.5% C 0.056 H 265.4°. Best body text is #FFFFFF at 19.34:1 contrast (WCAG AA passes).

Color values

HEX	#040C26
RGB	rgb(4, 12, 38)
HSL	hsl(226, 81%, 8%)
HSV	hsv(226, 89%, 15%)
CMYK	cmyk(89.5%, 68.4%, 0%, 85.1%)
CIE-LAB	lab(3.87, 5.08, -17.51)
CIE-LCH	lch(3.87, 18.23, 286.17°)
OKLab	oklab(16.52% -0.0045 -0.0555)
OKLCH	oklch(16.52% 0.056 265.4)
XYZ	xyz(0.5313, 0.4286, 1.8881)
Luminance	0.0043 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.42

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040C26 #261E04

analogous

#041D26 #040C26 #0D0426

triadic

#040C26 #26040C #0C2604

tetradic

#040C26 #26041D #261E04 #04260D

square

#040C26 #26041D #261E04 #04260D

split-complementary

#040C26 #260D04 #1D2604

monochromatic

#03091C #03091C #040C26 #0A1D5D #102F95

Accessibility & contrast

On white

19.34

#040C26 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#040C26 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040C26

19.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040C26	#FFFFFF	#000000	##FFFFFF
##040C26	1.00	19.34	1.09	19.34
#FFFFFF	19.34	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F27

Deuteranopia (green-blind)

#000C25

Tritanopia (blue-blind)

#001217

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #040c26;
/* rgb */ color: rgb(4, 12, 38);
/* oklch */ color: oklch(16.5% 0.056 265.4);

Tailwind

colors: {
  custom: {
    50: '#484c60',
    500: '#040c26',
    950: '#000000',
  },
}

SCSS

$custom: #040c26;
$custom-light: #484c60;
$custom-dark: #000000;

JSON

{
  "hex": "#040c26",
  "rgb": {
    "r": 4,
    "g": 12,
    "b": 38
  },
  "hsl": {
    "h": 225.882,
    "s": 80.952,
    "l": 8.235
  },
  "oklch": {
    "l": 0.16515,
    "c": 0.05569,
    "h": 265.4
  },
  "luminance": 0.00429
}

Semantic roles & 50–950 ramp

primary

#040C26

secondary

#69571D

accent

#C930F7

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010105

muted

#777779

Preview Lab

Preview with #040C26

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

Preview Lab → · Contrast checker → · Palette generator →