#03073A#03073A

#03073A is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.7% C 0.096 H 267.4°. Best body text is #FFFFFF at 19.17:1 contrast (WCAG AA passes).

Color values

HEX	#03073A
RGB	rgb(3, 7, 58)
HSL	hsl(236, 90%, 12%)
HSV	hsv(236, 95%, 23%)
CMYK	cmyk(94.8%, 87.9%, 0%, 77.3%)
CIE-LAB	lab(4.31, 17.35, -31.74)
CIE-LCH	lch(4.31, 36.17, 298.66°)
OKLab	oklab(17.7% -0.0043 -0.0959)
OKLCH	oklch(17.7% 0.096 267.4)
XYZ	xyz(0.8770, 0.4767, 4.0480)
Luminance	0.0048 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03073A #3A3603

analogous

#03233A #03073A #1B033A

triadic

#03073A #3A0307 #073A03

tetradic

#03073A #3A0323 #3A3603 #033A1B

square

#03073A #3A0323 #3A3603 #033A1B

split-complementary

#03073A #3A1B03 #233A03

monochromatic

#02041D #02041D #03073A #060E74 #0915AE

Accessibility & contrast

On white

19.17

#03073A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#03073A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03073A

19.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03073A	#FFFFFF	#000000	##FFFFFF
##03073A	1.00	19.17	1.10	19.17
#FFFFFF	19.17	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00123B

Deuteranopia (green-blind)

#000C39

Tritanopia (blue-blind)

#001620

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #03073a;
/* rgb */ color: rgb(3, 7, 58);
/* oklch */ color: oklch(17.7% 0.096 267.4);

Tailwind

colors: {
  custom: {
    50: '#4e4971',
    500: '#03073a',
    950: '#000000',
  },
}

SCSS

$custom: #03073a;
$custom-light: #4e4971;
$custom-dark: #000000;

JSON

{
  "hex": "#03073a",
  "rgb": {
    "r": 3,
    "g": 7,
    "b": 58
  },
  "hsl": {
    "h": 235.636,
    "s": 90.164,
    "l": 11.961
  },
  "oklch": {
    "l": 0.17696,
    "c": 0.09602,
    "h": 267.4
  },
  "luminance": 0.00477
}

Semantic roles & 50–950 ramp

primary

#03073A

secondary

#7D761C

accent

#EF29FF

background

#F4F4F6

surface

#E7E6EC

border

#C3C2C7

text

#020008

muted

#78777B

Preview Lab

Preview with #03073A

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

Preview Lab → · Contrast checker → · Palette generator →