#040435#040435

#040435 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.4% C 0.093 H 270.0°. Best body text is #FFFFFF at 19.55:1 contrast (WCAG AA passes).

Color values

HEX	#040435
RGB	rgb(4, 4, 53)
HSL	hsl(240, 86%, 11%)
HSV	hsv(240, 92%, 21%)
CMYK	cmyk(92.5%, 92.5%, 0%, 79.2%)
CIE-LAB	lab(3.34, 15.76, -29.64)
CIE-LCH	lch(3.34, 33.57, 297.99°)
OKLab	oklab(16.4% 0 -0.0928)
OKLCH	oklch(16.4% 0.093 270)
XYZ	xyz(0.7359, 0.3696, 3.4000)
Luminance	0.0037 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040435 #353504

analogous

#041C35 #040435 #1C0435

triadic

#040435 #350404 #043504

tetradic

#040435 #35041C #353504 #04351C

square

#040435 #35041C #353504 #04351C

split-complementary

#040435 #351C04 #1C3504

monochromatic

#02021C #02021C #040435 #08086E #0D0DA7

Accessibility & contrast

On white

19.55

#040435 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#040435 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040435

19.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040435	#FFFFFF	#000000	##FFFFFF
##040435	1.00	19.55	1.07	19.55
#FFFFFF	19.55	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F36

Deuteranopia (green-blind)

#000934

Tritanopia (blue-blind)

#00131C

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #040435;
/* rgb */ color: rgb(4, 4, 53);
/* oklch */ color: oklch(16.4% 0.093 270.0);

Tailwind

colors: {
  custom: {
    50: '#4c486d',
    500: '#040435',
    950: '#000000',
  },
}

SCSS

$custom: #040435;
$custom-light: #4c486d;
$custom-dark: #000000;

JSON

{
  "hex": "#040435",
  "rgb": {
    "r": 4,
    "g": 4,
    "b": 53
  },
  "hsl": {
    "h": 240,
    "s": 85.965,
    "l": 11.176
  },
  "oklch": {
    "l": 0.164,
    "c": 0.09282,
    "h": 270
  },
  "luminance": 0.0037
}

Semantic roles & 50–950 ramp

primary

#040435

secondary

#77771E

accent

#FC2CFC

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#020007

muted

#78777A

Preview Lab

Preview with #040435

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

Preview Lab → · Contrast checker → · Palette generator →