#04053A#04053A

#04053A is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 17.4% C 0.098 H 269.0°. Best body text is #FFFFFF at 19.30:1 contrast (WCAG AA passes).

Color values

HEX	#04053A
RGB	rgb(4, 5, 58)
HSL	hsl(239, 87%, 12%)
HSV	hsv(239, 93%, 23%)
CMYK	cmyk(93.1%, 91.4%, 0%, 77.3%)
CIE-LAB	lab(3.97, 18.42, -32.28)
CIE-LCH	lch(3.97, 37.16, 299.71°)
OKLab	oklab(17.36% -0.0016 -0.0983)
OKLCH	oklch(17.36% 0.098 269)
XYZ	xyz(0.8678, 0.4397, 4.0413)
Luminance	0.0044 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04053A #3A3904

analogous

#04203A #04053A #1E043A

triadic

#04053A #3A0405 #053A04

tetradic

#04053A #3A0420 #3A3904 #043A1E

square

#04053A #3A0420 #3A3904 #043A1E

split-complementary

#04053A #3A1E04 #203A04

monochromatic

#02021D #02021D #04053A #080A73 #0C0FAD

Accessibility & contrast

On white

19.30

#04053A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#04053A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04053A

19.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04053A	#FFFFFF	#000000	##FFFFFF
##04053A	1.00	19.30	1.09	19.30
#FFFFFF	19.30	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00113B

Deuteranopia (green-blind)

#000B39

Tritanopia (blue-blind)

#00151F

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #04053a;
/* rgb */ color: rgb(4, 5, 58);
/* oklch */ color: oklch(17.4% 0.098 269.0);

Tailwind

colors: {
  custom: {
    50: '#4e4871',
    500: '#04053a',
    950: '#000000',
  },
}

SCSS

$custom: #04053a;
$custom-light: #4e4871;
$custom-dark: #000000;

JSON

{
  "hex": "#04053a",
  "rgb": {
    "r": 4,
    "g": 5,
    "b": 58
  },
  "hsl": {
    "h": 238.889,
    "s": 87.097,
    "l": 12.157
  },
  "oklch": {
    "l": 0.17357,
    "c": 0.09833,
    "h": 269
  },
  "luminance": 0.0044
}

Semantic roles & 50–950 ramp

primary

#04053A

secondary

#7C7A1E

accent

#F92BFD

background

#F4F4F6

surface

#E7E6EC

border

#C3C2C7

text

#020008

muted

#78777B

Preview Lab

Preview with #04053A

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

Preview Lab → · Contrast checker → · Palette generator →