#040A32#040A32

#040A32 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.4% C 0.079 H 268.0°. Best body text is #FFFFFF at 19.19:1 contrast (WCAG AA passes).

Color values

HEX	#040A32
RGB	rgb(4, 10, 50)
HSL	hsl(232, 85%, 11%)
HSV	hsv(232, 92%, 20%)
CMYK	cmyk(92%, 80%, 0%, 80.4%)
CIE-LAB	lab(4.27, 11.65, -25.92)
CIE-LCH	lch(4.27, 28.41, 294.21°)
OKLab	oklab(17.38% -0.0028 -0.079)
OKLCH	oklch(17.38% 0.079 268)
XYZ	xyz(0.7341, 0.4731, 3.0696)
Luminance	0.0047 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040A32 #322C04

analogous

#042132 #040A32 #150432

triadic

#040A32 #32040A #0A3204

tetradic

#040A32 #320421 #322C04 #043215

square

#040A32 #320421 #322C04 #043215

split-complementary

#040A32 #321504 #213204

monochromatic

#02061C #02061C #040A32 #09156B #0D21A3

Accessibility & contrast

On white

19.19

#040A32 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#040A32 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040A32

19.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040A32	#FFFFFF	#000000	##FFFFFF
##040A32	1.00	19.19	1.09	19.19
#FFFFFF	19.19	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001133

Deuteranopia (green-blind)

#000D31

Tritanopia (blue-blind)

#00151C

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #040a32;
/* rgb */ color: rgb(4, 10, 50);
/* oklch */ color: oklch(17.4% 0.079 268.0);

Tailwind

colors: {
  custom: {
    50: '#4b4b6a',
    500: '#040a32',
    950: '#000000',
  },
}

SCSS

$custom: #040a32;
$custom-light: #4b4b6a;
$custom-dark: #000000;

JSON

{
  "hex": "#040a32",
  "rgb": {
    "r": 4,
    "g": 10,
    "b": 50
  },
  "hsl": {
    "h": 232.174,
    "s": 85.185,
    "l": 10.588
  },
  "oklch": {
    "l": 0.1738,
    "c": 0.0791,
    "h": 268
  },
  "luminance": 0.00473
}

Semantic roles & 50–950 ramp

primary

#040A32

secondary

#74691D

accent

#E02CFB

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #040A32

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

Preview Lab → · Contrast checker → · Palette generator →