#0A1347#0A1347

#0A1347 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.2% C 0.097 H 268.9°. Best body text is #FFFFFF at 17.54:1 contrast (WCAG AA passes).

Color values

HEX#0A1347
RGBrgb(10, 19, 71)
HSLhsl(231, 75%, 16%)
HSVhsv(231, 86%, 28%)
CMYKcmyk(85.9%, 73.2%, 0%, 72.2%)
CIE-LABlab(8.87, 18.10, -33.54)
CIE-LCHlch(8.87, 38.11, 298.35°)
OKLaboklab(22.16% -0.0018 -0.097)
OKLCHoklch(22.16% 0.097 268.9)
XYZxyz(1.4950, 0.9850, 6.0714)
Luminance0.0098 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0A1347 #473E0A
analogous
#0A3147 #0A1347 #1F0A47
triadic
#0A1347 #470A13 #13470A
tetradic
#0A1347 #470A31 #473E0A #0A471F
square
#0A1347 #470A31 #473E0A #0A471F
split-complementary
#0A1347 #471F0A #31470A
monochromatic
#04071B #04071B #0A1347 #12217D #1930B2

Accessibility & contrast

On white

17.54
#0A1347 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.20
#0A1347 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1347
17.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0A1347#FFFFFF#000000##FFFFFF
##0A13471.0017.541.2017.54
#FFFFFF17.541.0021.001.00
#0000001.2021.001.0021.00
##FFFFFF17.541.0021.001.00

Color blindness preview

Protanopia (red-blind)
#001C49
Deuteranopia (green-blind)
#001646
Tritanopia (blue-blind)
#00212B
Achromatopsia (no color)
#191919

Design tokens & code

CSS
--color: #0a1347;
/* rgb */ color: rgb(10, 19, 71);
/* oklch */ color: oklch(22.2% 0.097 268.9);
Tailwind
colors: {
  custom: {
    50: '#55507b',
    500: '#0a1347',
    950: '#000000',
  },
}
SCSS
$custom: #0a1347;
$custom-light: #55507b;
$custom-dark: #000000;
JSON
{
  "hex": "#0a1347",
  "rgb": {
    "r": 10,
    "g": 19,
    "b": 71
  },
  "hsl": {
    "h": 231.148,
    "s": 75.309,
    "l": 15.882
  },
  "oklch": {
    "l": 0.22155,
    "c": 0.09706,
    "h": 268.9
  },
  "luminance": 0.00985
}

Semantic roles & 50–950 ramp

primary
#0A1347
secondary
#847729
accent
#D636F2
background
#F5F4F7
surface
#E9E7EE
border
#C5C3C9
text
#030209
muted
#78787B

Preview Lab

Preview with #0A1347

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

Preview Lab → · Contrast checker → · Palette generator →

#0A1347 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva