#04063A#04063A

#04063A is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.6% C 0.097 H 268.8°. Best body text is #FFFFFF at 19.22:1 contrast (WCAG AA passes).

Color values

HEX	#04063A
RGB	rgb(4, 6, 58)
HSL	hsl(238, 87%, 12%)
HSV	hsv(238, 93%, 23%)
CMYK	cmyk(93.1%, 89.7%, 0%, 77.3%)
CIE-LAB	lab(4.17, 18.01, -31.96)
CIE-LCH	lch(4.17, 36.69, 299.40°)
OKLab	oklab(17.57% -0.002 -0.0969)
OKLCH	oklch(17.57% 0.097 268.8)
XYZ	xyz(0.8787, 0.4614, 4.0449)
Luminance	0.0046 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04063A #3A3804

analogous

#04213A #04063A #1D043A

triadic

#04063A #3A0406 #063A04

tetradic

#04063A #3A0421 #3A3804 #043A1D

square

#04063A #3A0421 #3A3804 #043A1D

split-complementary

#04063A #3A1D04 #213A04

monochromatic

#02031D #02031D #04063A #080C73 #0C12AD

Accessibility & contrast

On white

19.22

#04063A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#04063A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04063A

19.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04063A	#FFFFFF	#000000	##FFFFFF
##04063A	1.00	19.22	1.09	19.22
#FFFFFF	19.22	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00113B

Deuteranopia (green-blind)

#000C39

Tritanopia (blue-blind)

#001620

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #04063a;
/* rgb */ color: rgb(4, 6, 58);
/* oklch */ color: oklch(17.6% 0.097 268.8);

Tailwind

colors: {
  custom: {
    50: '#4f4871',
    500: '#04063a',
    950: '#000000',
  },
}

SCSS

$custom: #04063a;
$custom-light: #4f4871;
$custom-dark: #000000;

JSON

{
  "hex": "#04063a",
  "rgb": {
    "r": 4,
    "g": 6,
    "b": 58
  },
  "hsl": {
    "h": 237.778,
    "s": 87.097,
    "l": 12.157
  },
  "oklch": {
    "l": 0.17573,
    "c": 0.09689,
    "h": 268.8
  },
  "luminance": 0.00462
}

Semantic roles & 50–950 ramp

primary

#04063A

secondary

#7C781E

accent

#F52BFD

background

#F4F4F6

surface

#E7E6EC

border

#C3C2C7

text

#020008

muted

#78777B

Preview Lab

Preview with #04063A

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

Preview Lab → · Contrast checker → · Palette generator →