#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
RGBrgb(3, 5, 59)
HSLhsl(238, 90%, 12%)
HSVhsv(238, 95%, 23%)
CMYKcmyk(94.9%, 91.5%, 0%, 76.9%)
CIE-LABlab(4.01, 18.79, -32.95)
CIE-LCHlch(4.01, 37.93, 299.70°)
OKLaboklab(17.41% -0.0039 -0.1002)
OKLCHoklch(17.41% 0.1 267.8)
XYZxyz(0.8810, 0.4436, 4.1760)
Luminance0.0044 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

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
##03053B1.0019.291.0919.29
#FFFFFF19.291.0021.001.00
#0000001.0921.001.0021.00
##FFFFFF19.291.0021.001.00

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 →

#03053B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva