#040A26#040A26

#040A26 is a very dark, muted blue. Relative luminance 0.004; OKLCH L 16.0% C 0.059 H 267.6°. Best body text is #FFFFFF at 19.51:1 contrast (WCAG AA passes).

Color values

HEX	#040A26
RGB	rgb(4, 10, 38)
HSL	hsl(229, 81%, 8%)
HSV	hsv(229, 89%, 15%)
CMYK	cmyk(89.5%, 73.7%, 0%, 85.1%)
CIE-LAB	lab(3.46, 5.92, -18.15)
CIE-LCH	lch(3.46, 19.09, 288.06°)
OKLab	oklab(15.99% -0.0025 -0.0589)
OKLCH	oklch(15.99% 0.059 267.6)
XYZ	xyz(0.5083, 0.3828, 1.8804)
Luminance	0.0038 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.93

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040A26 #262004

analogous

#041B26 #040A26 #0F0426

triadic

#040A26 #26040A #0A2604

tetradic

#040A26 #26041B #262004 #04260F

square

#040A26 #26041B #262004 #04260F

split-complementary

#040A26 #260F04 #1B2604

monochromatic

#03071C #03071C #040A26 #0A195D #102795

Accessibility & contrast

On white

19.51

#040A26 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#040A26 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040A26

19.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040A26	#FFFFFF	#000000	##FFFFFF
##040A26	1.00	19.51	1.08	19.51
#FFFFFF	19.51	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000E27

Deuteranopia (green-blind)

#000B25

Tritanopia (blue-blind)

#001116

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #040a26;
/* rgb */ color: rgb(4, 10, 38);
/* oklch */ color: oklch(16.0% 0.059 267.6);

Tailwind

colors: {
  custom: {
    50: '#484b60',
    500: '#040a26',
    950: '#000000',
  },
}

SCSS

$custom: #040a26;
$custom-light: #484b60;
$custom-dark: #000000;

JSON

{
  "hex": "#040a26",
  "rgb": {
    "r": 4,
    "g": 10,
    "b": 38
  },
  "hsl": {
    "h": 229.412,
    "s": 80.952,
    "l": 8.235
  },
  "oklch": {
    "l": 0.1599,
    "c": 0.05893,
    "h": 267.6
  },
  "luminance": 0.00383
}

Semantic roles & 50–950 ramp

primary

#040A26

secondary

#695B1D

accent

#D430F7

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010105

muted

#777779

Preview Lab

Preview with #040A26

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

Preview Lab → · Contrast checker → · Palette generator →