#040735#040735

#040735 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 17.1% C 0.088 H 269.0°. Best body text is #FFFFFF at 19.32:1 contrast (WCAG AA passes).

Color values

HEX	#040735
RGB	rgb(4, 7, 53)
HSL	hsl(236, 86%, 11%)
HSV	hsv(236, 92%, 21%)
CMYK	cmyk(92.5%, 86.8%, 0%, 79.2%)
CIE-LAB	lab(3.93, 14.55, -28.69)
CIE-LCH	lch(3.93, 32.17, 296.89°)
OKLab	oklab(17.1% -0.0015 -0.0881)
OKLCH	oklch(17.1% 0.088 269)
XYZ	xyz(0.7684, 0.4347, 3.4109)
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

#040735 #353204

analogous

#041F35 #040735 #190435

triadic

#040735 #350407 #073504

tetradic

#040735 #35041F #353204 #043519

square

#040735 #35041F #353204 #043519

split-complementary

#040735 #351904 #1F3504

monochromatic

#02041C #02041C #040735 #080F6E #0D16A7

Accessibility & contrast

On white

19.32

#040735 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#040735 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040735

19.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040735	#FFFFFF	#000000	##FFFFFF
##040735	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)

#001036

Deuteranopia (green-blind)

#000B34

Tritanopia (blue-blind)

#00141D

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #040735;
/* rgb */ color: rgb(4, 7, 53);
/* oklch */ color: oklch(17.1% 0.088 269.0);

Tailwind

colors: {
  custom: {
    50: '#4c496d',
    500: '#040735',
    950: '#000000',
  },
}

SCSS

$custom: #040735;
$custom-light: #4c496d;
$custom-dark: #000000;

JSON

{
  "hex": "#040735",
  "rgb": {
    "r": 4,
    "g": 7,
    "b": 53
  },
  "hsl": {
    "h": 236.327,
    "s": 85.965,
    "l": 11.176
  },
  "oklch": {
    "l": 0.17102,
    "c": 0.08811,
    "h": 269
  },
  "luminance": 0.00435
}

Semantic roles & 50–950 ramp

primary

#040735

secondary

#77721E

accent

#EF2CFC

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#020007

muted

#78777A

Preview Lab

Preview with #040735

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

Preview Lab → · Contrast checker → · Palette generator →