#040430#040430

#040430 is a very dark, moderate blue. Relative luminance 0.003; OKLCH L 15.7% C 0.086 H 270.8°. Best body text is #FFFFFF at 19.71:1 contrast (WCAG AA passes).

Color values

HEX	#040430
RGB	rgb(4, 4, 48)
HSL	hsl(240, 85%, 10%)
HSV	hsv(240, 92%, 19%)
CMYK	cmyk(91.7%, 91.7%, 0%, 81.2%)
CIE-LAB	lab(2.94, 12.98, -26.55)
CIE-LCH	lch(2.94, 29.55, 296.06°)
OKLab	oklab(15.68% 0.0012 -0.0856)
OKLCH	oklch(15.68% 0.086 270.8)
XYZ	xyz(0.6268, 0.3260, 2.8256)
Luminance	0.0033 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040430 #303004

analogous

#041A30 #040430 #1A0430

triadic

#040430 #300404 #043004

tetradic

#040430 #30041A #303004 #04301A

square

#040430 #30041A #303004 #04301A

split-complementary

#040430 #301A04 #1A3004

monochromatic

#02021C #02021C #040430 #090968 #0D0DA1

Accessibility & contrast

On white

19.71

#040430 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#040430 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040430

19.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040430	#FFFFFF	#000000	##FFFFFF
##040430	1.00	19.71	1.07	19.71
#FFFFFF	19.71	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000D31

Deuteranopia (green-blind)

#00082F

Tritanopia (blue-blind)

#001119

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #040430;
/* rgb */ color: rgb(4, 4, 48);
/* oklch */ color: oklch(15.7% 0.086 270.8);

Tailwind

colors: {
  custom: {
    50: '#4a4869',
    500: '#040430',
    950: '#000000',
  },
}

SCSS

$custom: #040430;
$custom-light: #4a4869;
$custom-dark: #000000;

JSON

{
  "hex": "#040430",
  "rgb": {
    "r": 4,
    "g": 4,
    "b": 48
  },
  "hsl": {
    "h": 240,
    "s": 84.615,
    "l": 10.196
  },
  "oklch": {
    "l": 0.15675,
    "c": 0.08559,
    "h": 270.8
  },
  "luminance": 0.00326
}

Semantic roles & 50–950 ramp

primary

#040430

secondary

#72721D

accent

#FB2DFB

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#010006

muted

#77777A

Preview Lab

Preview with #040430

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

Preview Lab → · Contrast checker → · Palette generator →