#040929#040929

#040929 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.1% C 0.066 H 268.7°. Best body text is #FFFFFF at 19.51:1 contrast (WCAG AA passes).

Color values

HEX	#040929
RGB	rgb(4, 9, 41)
HSL	hsl(232, 82%, 9%)
HSV	hsv(232, 90%, 16%)
CMYK	cmyk(90.2%, 78%, 0%, 83.9%)
CIE-LAB	lab(3.44, 7.60, -20.47)
CIE-LCH	lch(3.44, 21.83, 290.38°)
OKLab	oklab(16.07% -0.0015 -0.0658)
OKLCH	oklch(16.07% 0.066 268.7)
XYZ	xyz(0.5479, 0.3812, 2.1421)
Luminance	0.0038 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.59

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040929 #292404

analogous

#041C29 #040929 #120429

triadic

#040929 #290409 #092904

tetradic

#040929 #29041C #292404 #042912

square

#040929 #29041C #292404 #042912

split-complementary

#040929 #291204 #1C2904

monochromatic

#03061C #03061C #040929 #091561 #0F2199

Accessibility & contrast

On white

19.51

#040929 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#040929 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040929

19.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040929	#FFFFFF	#000000	##FFFFFF
##040929	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)

#000E2A

Deuteranopia (green-blind)

#000B28

Tritanopia (blue-blind)

#001117

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #040929;
/* rgb */ color: rgb(4, 9, 41);
/* oklch */ color: oklch(16.1% 0.066 268.7);

Tailwind

colors: {
  custom: {
    50: '#494b63',
    500: '#040929',
    950: '#000000',
  },
}

SCSS

$custom: #040929;
$custom-light: #494b63;
$custom-dark: #000000;

JSON

{
  "hex": "#040929",
  "rgb": {
    "r": 4,
    "g": 9,
    "b": 41
  },
  "hsl": {
    "h": 231.892,
    "s": 82.222,
    "l": 8.824
  },
  "oklch": {
    "l": 0.16071,
    "c": 0.06578,
    "h": 268.7
  },
  "luminance": 0.00381
}

Semantic roles & 50–950 ramp

primary

#040929

secondary

#6C611D

accent

#DD2FF9

background

#F4F4F5

surface

#E7E7EA

border

#C3C3C6

text

#010105

muted

#777779

Preview Lab

Preview with #040929

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

Preview Lab → · Contrast checker → · Palette generator →