#040535#040535

#040535 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.6% C 0.091 H 269.7°. Best body text is #FFFFFF at 19.48:1 contrast (WCAG AA passes).

Color values

HEX	#040535
RGB	rgb(4, 5, 53)
HSL	hsl(239, 86%, 11%)
HSV	hsv(239, 92%, 21%)
CMYK	cmyk(92.5%, 90.6%, 0%, 79.2%)
CIE-LAB	lab(3.53, 15.35, -29.32)
CIE-LCH	lch(3.53, 33.10, 297.64°)
OKLab	oklab(16.64% -0.0005 -0.0912)
OKLCH	oklch(16.64% 0.091 269.7)
XYZ	xyz(0.7467, 0.3913, 3.4036)
Luminance	0.0039 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040535 #353404

analogous

#041D35 #040535 #1B0435

triadic

#040535 #350405 #053504

tetradic

#040535 #35041D #353404 #04351B

square

#040535 #35041D #353404 #04351B

split-complementary

#040535 #351B04 #1D3504

monochromatic

#02031C #02031C #040535 #080A6E #0D10A7

Accessibility & contrast

On white

19.48

#040535 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#040535 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040535

19.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040535	#FFFFFF	#000000	##FFFFFF
##040535	1.00	19.48	1.08	19.48
#FFFFFF	19.48	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F36

Deuteranopia (green-blind)

#000A34

Tritanopia (blue-blind)

#00131C

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #040535;
/* rgb */ color: rgb(4, 5, 53);
/* oklch */ color: oklch(16.6% 0.091 269.7);

Tailwind

colors: {
  custom: {
    50: '#4c486d',
    500: '#040535',
    950: '#000000',
  },
}

SCSS

$custom: #040535;
$custom-light: #4c486d;
$custom-dark: #000000;

JSON

{
  "hex": "#040535",
  "rgb": {
    "r": 4,
    "g": 5,
    "b": 53
  },
  "hsl": {
    "h": 238.776,
    "s": 85.965,
    "l": 11.176
  },
  "oklch": {
    "l": 0.16641,
    "c": 0.0912,
    "h": 269.7
  },
  "luminance": 0.00391
}

Semantic roles & 50–950 ramp

primary

#040535

secondary

#77751E

accent

#F82CFC

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#020007

muted

#78777A

Preview Lab

Preview with #040535

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

Preview Lab → · Contrast checker → · Palette generator →