#04083A#04083A

#04083A is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.0% C 0.094 H 268.3°. Best body text is #FFFFFF at 19.07:1 contrast (WCAG AA passes).

Color values

HEX	#04083A
RGB	rgb(4, 8, 58)
HSL	hsl(236, 87%, 12%)
HSV	hsv(236, 93%, 23%)
CMYK	cmyk(93.1%, 86.2%, 0%, 77.3%)
CIE-LAB	lab(4.56, 17.17, -31.32)
CIE-LCH	lch(4.56, 35.72, 298.73°)
OKLab	oklab(17.99% -0.0028 -0.0941)
OKLCH	oklch(17.99% 0.094 268.3)
XYZ	xyz(0.9004, 0.5049, 4.0522)
Luminance	0.0050 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04083A #3A3604

analogous

#04233A #04083A #1B043A

triadic

#04083A #3A0408 #083A04

tetradic

#04083A #3A0423 #3A3604 #043A1B

square

#04083A #3A0423 #3A3604 #043A1B

split-complementary

#04083A #3A1B04 #233A04

monochromatic

#02041D #02041D #04083A #081073 #0C18AD

Accessibility & contrast

On white

19.07

#04083A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#04083A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04083A

19.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04083A	#FFFFFF	#000000	##FFFFFF
##04083A	1.00	19.07	1.10	19.07
#FFFFFF	19.07	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00123B

Deuteranopia (green-blind)

#000D39

Tritanopia (blue-blind)

#001720

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #04083a;
/* rgb */ color: rgb(4, 8, 58);
/* oklch */ color: oklch(18.0% 0.094 268.3);

Tailwind

colors: {
  custom: {
    50: '#4f4971',
    500: '#04083a',
    950: '#000000',
  },
}

SCSS

$custom: #04083a;
$custom-light: #4f4971;
$custom-dark: #000000;

JSON

{
  "hex": "#04083a",
  "rgb": {
    "r": 4,
    "g": 8,
    "b": 58
  },
  "hsl": {
    "h": 235.556,
    "s": 87.097,
    "l": 12.157
  },
  "oklch": {
    "l": 0.17988,
    "c": 0.09413,
    "h": 268.3
  },
  "luminance": 0.00505
}

Semantic roles & 50–950 ramp

primary

#04083A

secondary

#7C751E

accent

#EE2BFD

background

#F4F4F6

surface

#E7E6EC

border

#C3C2C7

text

#020107

muted

#78777A

Preview Lab

Preview with #04083A

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

Preview Lab → · Contrast checker → · Palette generator →