#040933#040933

#040933 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.3% C 0.082 H 268.4°. Best body text is #FFFFFF at 19.23:1 contrast (WCAG AA passes).

Color values

HEX	#040933
RGB	rgb(4, 9, 51)
HSL	hsl(234, 85%, 11%)
HSV	hsv(234, 92%, 20%)
CMYK	cmyk(92.2%, 82.4%, 0%, 80%)
CIE-LAB	lab(4.16, 12.61, -26.85)
CIE-LCH	lch(4.16, 29.66, 295.16°)
OKLab	oklab(17.29% -0.0023 -0.0821)
OKLCH	oklch(17.29% 0.082 268.4)
XYZ	xyz(0.7451, 0.4601, 3.1809)
Luminance	0.0046 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040933 #332E04

analogous

#042033 #040933 #160433

triadic

#040933 #330409 #093304

tetradic

#040933 #330420 #332E04 #043316

square

#040933 #330420 #332E04 #043316

split-complementary

#040933 #331604 #203304

monochromatic

#02051C #02051C #040933 #08136C #0D1DA4

Accessibility & contrast

On white

19.23

#040933 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#040933 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040933

19.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040933	#FFFFFF	#000000	##FFFFFF
##040933	1.00	19.23	1.09	19.23
#FFFFFF	19.23	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001134

Deuteranopia (green-blind)

#000C32

Tritanopia (blue-blind)

#00151D

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #040933;
/* rgb */ color: rgb(4, 9, 51);
/* oklch */ color: oklch(17.3% 0.082 268.4);

Tailwind

colors: {
  custom: {
    50: '#4c4a6b',
    500: '#040933',
    950: '#000000',
  },
}

SCSS

$custom: #040933;
$custom-light: #4c4a6b;
$custom-dark: #000000;

JSON

{
  "hex": "#040933",
  "rgb": {
    "r": 4,
    "g": 9,
    "b": 51
  },
  "hsl": {
    "h": 233.617,
    "s": 85.455,
    "l": 10.784
  },
  "oklch": {
    "l": 0.17286,
    "c": 0.08211,
    "h": 268.4
  },
  "luminance": 0.0046
}

Semantic roles & 50–950 ramp

primary

#040933

secondary

#756C1D

accent

#E62CFC

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #040933

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

Preview Lab → · Contrast checker → · Palette generator →