#030A33#030A33

#030A33 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.4% C 0.081 H 266.7°. Best body text is #FFFFFF at 19.18:1 contrast (WCAG AA passes).

Color values

HEX#030A33
RGBrgb(3, 10, 51)
HSLhsl(231, 89%, 11%)
HSVhsv(231, 94%, 20%)
CMYKcmyk(94.1%, 80.4%, 0%, 80%)
CIE-LABlab(4.29, 11.94, -26.63)
CIE-LCHlch(4.29, 29.18, 294.16°)
OKLaboklab(17.41% -0.0047 -0.0811)
OKLCHoklch(17.41% 0.081 266.7)
XYZxyz(0.7434, 0.4754, 3.1839)
Luminance0.0047 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#030A33 #332C03
analogous
#032233 #030A33 #140333
triadic
#030A33 #33030A #0A3303
tetradic
#030A33 #330322 #332C03 #033314
square
#030A33 #330322 #332C03 #033314
split-complementary
#030A33 #331403 #223303
monochromatic
#02061D #02061D #030A33 #06156D #0A21A7

Accessibility & contrast

On white

19.18
#030A33 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.10
#030A33 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030A33
19.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##030A33#FFFFFF#000000##FFFFFF
##030A331.0019.181.1019.18
#FFFFFF19.181.0021.001.00
#0000001.1021.001.0021.00
##FFFFFF19.181.0021.001.00

Color blindness preview

Protanopia (red-blind)
#001134
Deuteranopia (green-blind)
#000D32
Tritanopia (blue-blind)
#00151D
Achromatopsia (no color)
#0F0F0F

Design tokens & code

CSS
--color: #030a33;
/* rgb */ color: rgb(3, 10, 51);
/* oklch */ color: oklch(17.4% 0.081 266.7);
Tailwind
colors: {
  custom: {
    50: '#4b4b6b',
    500: '#030a33',
    950: '#000000',
  },
}
SCSS
$custom: #030a33;
$custom-light: #4b4b6b;
$custom-dark: #000000;
JSON
{
  "hex": "#030a33",
  "rgb": {
    "r": 3,
    "g": 10,
    "b": 51
  },
  "hsl": {
    "h": 231.25,
    "s": 88.889,
    "l": 10.588
  },
  "oklch": {
    "l": 0.17414,
    "c": 0.08125,
    "h": 266.7
  },
  "luminance": 0.00475
}

Semantic roles & 50–950 ramp

primary
#030A33
secondary
#76691C
accent
#E029FF
background
#F4F4F6
surface
#E7E7EB
border
#C3C3C6
text
#010106
muted
#77777A

Preview Lab

Preview with #030A33

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

Preview Lab → · Contrast checker → · Palette generator →

#030A33 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva