#03063A#03063A

#03063A is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.5% C 0.097 H 267.6°. Best body text is #FFFFFF at 19.25:1 contrast (WCAG AA passes).

Color values

HEX	#03063A
RGB	rgb(3, 6, 58)
HSL	hsl(237, 90%, 12%)
HSV	hsv(237, 95%, 23%)
CMYK	cmyk(94.8%, 89.7%, 0%, 77.3%)
CIE-LAB	lab(4.11, 17.75, -32.06)
CIE-LCH	lch(4.11, 36.65, 298.98°)
OKLab	oklab(17.48% -0.004 -0.0974)
OKLCH	oklch(17.48% 0.097 267.6)
XYZ	xyz(0.8661, 0.4550, 4.0443)
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

#03063A #3A3703

analogous

#03223A #03063A #1C033A

triadic

#03063A #3A0306 #063A03

tetradic

#03063A #3A0322 #3A3703 #033A1C

square

#03063A #3A0322 #3A3703 #033A1C

split-complementary

#03063A #3A1C03 #223A03

monochromatic

#02031D #02031D #03063A #060C74 #0912AE

Accessibility & contrast

On white

19.25

#03063A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#03063A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03063A

19.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03063A	#FFFFFF	#000000	##FFFFFF
##03063A	1.00	19.25	1.09	19.25
#FFFFFF	19.25	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00113B

Deuteranopia (green-blind)

#000B39

Tritanopia (blue-blind)

#001620

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #03063a;
/* rgb */ color: rgb(3, 6, 58);
/* oklch */ color: oklch(17.5% 0.097 267.6);

Tailwind

colors: {
  custom: {
    50: '#4e4871',
    500: '#03063a',
    950: '#000000',
  },
}

SCSS

$custom: #03063a;
$custom-light: #4e4871;
$custom-dark: #000000;

JSON

{
  "hex": "#03063a",
  "rgb": {
    "r": 3,
    "g": 6,
    "b": 58
  },
  "hsl": {
    "h": 236.727,
    "s": 90.164,
    "l": 11.961
  },
  "oklch": {
    "l": 0.17484,
    "c": 0.09743,
    "h": 267.6
  },
  "luminance": 0.00455
}

Semantic roles & 50–950 ramp

primary

#03063A

secondary

#7D771C

accent

#F329FF

background

#F4F4F6

surface

#E7E6EC

border

#C3C2C7

text

#020008

muted

#78777B

Preview Lab

Preview with #03063A

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

Preview Lab → · Contrast checker → · Palette generator →