#0A0B3D#0A0B3D

#0A0B3D is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 19.4% C 0.092 H 272.9°. Best body text is #FFFFFF at 18.61:1 contrast (WCAG AA passes).

Color values

HEX#0A0B3D
RGBrgb(10, 11, 61)
HSLhsl(239, 72%, 14%)
HSVhsv(239, 84%, 24%)
CMYKcmyk(83.6%, 82%, 0%, 76.1%)
CIE-LABlab(5.79, 18.74, -31.48)
CIE-LCHlch(5.79, 36.64, 300.76°)
OKLaboklab(19.4% 0.0046 -0.0923)
OKLCHoklch(19.4% 0.092 272.9)
XYZxyz(1.0869, 0.6407, 4.4804)
Luminance0.0064 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0A0B3D #3D3C0A
analogous
#0A253D #0A0B3D #230A3D
triadic
#0A0B3D #3D0A0B #0B3D0A
tetradic
#0A0B3D #3D0A25 #3D3C0A #0A3D23
square
#0A0B3D #3D0A25 #3D3C0A #0A3D23
split-complementary
#0A0B3D #3D230A #253D0A
monochromatic
#04051A #04051A #0A0B3D #131472 #1B1EA6

Accessibility & contrast

On white

18.61
#0A0B3D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.13
#0A0B3D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0B3D
18.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0A0B3D#FFFFFF#000000##FFFFFF
##0A0B3D1.0018.611.1318.61
#FFFFFF18.611.0021.001.00
#0000001.1321.001.0021.00
##FFFFFF18.611.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00153E
Deuteranopia (green-blind)
#00103C
Tritanopia (blue-blind)
#001923
Achromatopsia (no color)
#131313

Design tokens & code

CSS
--color: #0a0b3d;
/* rgb */ color: rgb(10, 11, 61);
/* oklch */ color: oklch(19.4% 0.092 272.9);
Tailwind
colors: {
  custom: {
    50: '#534b73',
    500: '#0a0b3d',
    950: '#000000',
  },
}
SCSS
$custom: #0a0b3d;
$custom-light: #534b73;
$custom-dark: #000000;
JSON
{
  "hex": "#0a0b3d",
  "rgb": {
    "r": 10,
    "g": 11,
    "b": 61
  },
  "hsl": {
    "h": 238.824,
    "s": 71.831,
    "l": 13.922
  },
  "oklch": {
    "l": 0.19403,
    "c": 0.09241,
    "h": 272.9
  },
  "luminance": 0.00641
}

Semantic roles & 50–950 ramp

primary
#0A0B3D
secondary
#7A7928
accent
#EB39EF
background
#F5F4F7
surface
#E8E7ED
border
#C4C3C8
text
#030108
muted
#78777B

Preview Lab

Preview with #0A0B3D

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

Preview Lab → · Contrast checker → · Palette generator →

#0A0B3D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva