#040930#040930

#040930 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.9% C 0.077 H 268.5°. Best body text is #FFFFFF at 19.32:1 contrast (WCAG AA passes).

Color values

HEX	#040930
RGB	rgb(4, 9, 48)
HSL	hsl(233, 85%, 10%)
HSV	hsv(233, 92%, 19%)
CMYK	cmyk(91.7%, 81.3%, 0%, 81.2%)
CIE-LAB	lab(3.92, 10.98, -24.99)
CIE-LCH	lch(3.92, 27.29, 293.73°)
OKLab	oklab(16.91% -0.002 -0.0773)
OKLCH	oklch(16.91% 0.077 268.5)
XYZ	xyz(0.6811, 0.4345, 2.8437)
Luminance	0.0043 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040930 #302B04

analogous

#041F30 #040930 #150430

triadic

#040930 #300409 #093004

tetradic

#040930 #30041F #302B04 #043015

square

#040930 #30041F #302B04 #043015

split-complementary

#040930 #301504 #1F3004

monochromatic

#02051C #02051C #040930 #091468 #0D1EA1

Accessibility & contrast

On white

19.32

#040930 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#040930 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040930

19.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040930	#FFFFFF	#000000	##FFFFFF
##040930	1.00	19.32	1.09	19.32
#FFFFFF	19.32	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001031

Deuteranopia (green-blind)

#000C2F

Tritanopia (blue-blind)

#00141B

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #040930;
/* rgb */ color: rgb(4, 9, 48);
/* oklch */ color: oklch(16.9% 0.077 268.5);

Tailwind

colors: {
  custom: {
    50: '#4b4a69',
    500: '#040930',
    950: '#000000',
  },
}

SCSS

$custom: #040930;
$custom-light: #4b4a69;
$custom-dark: #000000;

JSON

{
  "hex": "#040930",
  "rgb": {
    "r": 4,
    "g": 9,
    "b": 48
  },
  "hsl": {
    "h": 233.182,
    "s": 84.615,
    "l": 10.196
  },
  "oklch": {
    "l": 0.16911,
    "c": 0.07735,
    "h": 268.5
  },
  "luminance": 0.00435
}

Semantic roles & 50–950 ramp

primary

#040930

secondary

#72691D

accent

#E32DFB

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #040930

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

Preview Lab → · Contrast checker → · Palette generator →