#03053B#03053B

#03053B is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 17.4% C 0.100 H 267.8°. Best body text is #FFFFFF at 19.29:1 contrast (WCAG AA passes).

Color values

HEX	#03053B
RGB	rgb(3, 5, 59)
HSL	hsl(238, 90%, 12%)
HSV	hsv(238, 95%, 23%)
CMYK	cmyk(94.9%, 91.5%, 0%, 76.9%)
CIE-LAB	lab(4.01, 18.79, -32.95)
CIE-LCH	lch(4.01, 37.93, 299.70°)
OKLab	oklab(17.41% -0.0039 -0.1002)
OKLCH	oklch(17.41% 0.1 267.8)
XYZ	xyz(0.8810, 0.4436, 4.1760)
Luminance	0.0044 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03053B #3B3903

analogous

#03213B #03053B #1D033B

triadic

#03053B #3B0305 #053B03

tetradic

#03053B #3B0321 #3B3903 #033B1D

square

#03053B #3B0321 #3B3903 #033B1D

split-complementary

#03053B #3B1D03 #213B03

monochromatic

#01021D #01021D #03053B #060A75 #090FAF

Accessibility & contrast

On white

19.29

#03053B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#03053B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03053B

19.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03053B	#FFFFFF	#000000	##FFFFFF
##03053B	1.00	19.29	1.09	19.29
#FFFFFF	19.29	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00113D

Deuteranopia (green-blind)

#000B3A

Tritanopia (blue-blind)

#001620

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #03053b;
/* rgb */ color: rgb(3, 5, 59);
/* oklch */ color: oklch(17.4% 0.100 267.8);

Tailwind

colors: {
  custom: {
    50: '#4e4872',
    500: '#03053b',
    950: '#000000',
  },
}

SCSS

$custom: #03053b;
$custom-light: #4e4872;
$custom-dark: #000000;

JSON

{
  "hex": "#03053b",
  "rgb": {
    "r": 3,
    "g": 5,
    "b": 59
  },
  "hsl": {
    "h": 237.857,
    "s": 90.323,
    "l": 12.157
  },
  "oklch": {
    "l": 0.17412,
    "c": 0.10028,
    "h": 267.8
  },
  "luminance": 0.00444
}

Semantic roles & 50–950 ramp

primary

#03053B

secondary

#7E7A1C

accent

#F729FF

background

#F4F4F6

surface

#E7E6EC

border

#C3C2C7

text

#020008

muted

#78777B

Preview Lab

Preview with #03053B

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

Preview Lab → · Contrast checker → · Palette generator →