#03043A#03043A

#03043A is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 17.0% C 0.100 H 268.0°. Best body text is #FFFFFF at 19.40:1 contrast (WCAG AA passes).

Color values

HEX	#03043A
RGB	rgb(3, 4, 58)
HSL	hsl(239, 90%, 12%)
HSV	hsv(239, 95%, 23%)
CMYK	cmyk(94.8%, 93.1%, 0%, 77.3%)
CIE-LAB	lab(3.72, 18.56, -32.69)
CIE-LCH	lch(3.72, 37.60, 299.59°)
OKLab	oklab(17.04% -0.0034 -0.1003)
OKLCH	oklch(17.04% 0.1 268)
XYZ	xyz(0.8444, 0.4116, 4.0371)
Luminance	0.0041 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03043A #3A3903

analogous

#03203A #03043A #1E033A

triadic

#03043A #3A0304 #043A03

tetradic

#03043A #3A0320 #3A3903 #033A1E

square

#03043A #3A0320 #3A3903 #033A1E

split-complementary

#03043A #3A1E03 #203A03

monochromatic

#02021D #02021D #03043A #060874 #090CAE

Accessibility & contrast

On white

19.40

#03043A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#03043A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03043A

19.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03043A	#FFFFFF	#000000	##FFFFFF
##03043A	1.00	19.40	1.08	19.40
#FFFFFF	19.40	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00103B

Deuteranopia (green-blind)

#000A39

Tritanopia (blue-blind)

#00151F

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #03043a;
/* rgb */ color: rgb(3, 4, 58);
/* oklch */ color: oklch(17.0% 0.100 268.0);

Tailwind

colors: {
  custom: {
    50: '#4e4771',
    500: '#03043a',
    950: '#000000',
  },
}

SCSS

$custom: #03043a;
$custom-light: #4e4771;
$custom-dark: #000000;

JSON

{
  "hex": "#03043a",
  "rgb": {
    "r": 3,
    "g": 4,
    "b": 58
  },
  "hsl": {
    "h": 238.909,
    "s": 90.164,
    "l": 11.961
  },
  "oklch": {
    "l": 0.17043,
    "c": 0.10037,
    "h": 268
  },
  "luminance": 0.00412
}

Semantic roles & 50–950 ramp

primary

#03043A

secondary

#7D7B1C

accent

#FB29FF

background

#F4F4F6

surface

#E7E6EC

border

#C3C2C7

text

#020008

muted

#78777B

Preview Lab

Preview with #03043A

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

Preview Lab → · Contrast checker → · Palette generator →