#0A1E48#0A1E48

#0A1E48 is a very dark, moderate blue. Relative luminance 0.015; OKLCH L 24.8% C 0.083 H 262.7°. Best body text is #FFFFFF at 16.25:1 contrast (WCAG AA passes).

Color values

HEX#0A1E48
RGBrgb(10, 30, 72)
HSLhsl(221, 76%, 16%)
HSVhsv(221, 86%, 28%)
CMYKcmyk(86.1%, 58.3%, 0%, 71.8%)
CIE-LABlab(12.36, 10.02, -28.54)
CIE-LCHlch(12.36, 30.25, 289.35°)
OKLaboklab(24.79% -0.0105 -0.0822)
OKLCHoklch(24.79% 0.083 262.7)
XYZxyz(1.7587, 1.4608, 6.3189)
Luminance0.0146 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0A1E48 #48340A
analogous
#0A3D48 #0A1E48 #150A48
triadic
#0A1E48 #480A1E #1E480A
tetradic
#0A1E48 #480A3D #48340A #0A4815
square
#0A1E48 #480A3D #48340A #0A4815
split-complementary
#0A1E48 #48150A #3D480A
monochromatic
#040B1B #040B1B #0A1E48 #11347E #194BB3

Accessibility & contrast

On white

16.25
#0A1E48 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.29
#0A1E48 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1E48
16.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0A1E48#FFFFFF#000000##FFFFFF
##0A1E481.0016.251.2916.25
#FFFFFF16.251.0021.001.00
#0000001.2921.001.0021.00
##FFFFFF16.251.0021.001.00

Color blindness preview

Protanopia (red-blind)
#032349
Deuteranopia (green-blind)
#001E47
Tritanopia (blue-blind)
#00282F
Achromatopsia (no color)
#202020

Design tokens & code

CSS
--color: #0a1e48;
/* rgb */ color: rgb(10, 30, 72);
/* oklch */ color: oklch(24.8% 0.083 262.7);
Tailwind
colors: {
  custom: {
    50: '#55597b',
    500: '#0a1e48',
    950: '#000000',
  },
}
SCSS
$custom: #0a1e48;
$custom-light: #55597b;
$custom-dark: #000000;
JSON
{
  "hex": "#0a1e48",
  "rgb": {
    "r": 10,
    "g": 30,
    "b": 72
  },
  "hsl": {
    "h": 220.645,
    "s": 75.61,
    "l": 16.078
  },
  "oklch": {
    "l": 0.24792,
    "c": 0.08287,
    "h": 262.7
  },
  "luminance": 0.01461
}

Semantic roles & 50–950 ramp

primary
#0A1E48
secondary
#856729
accent
#B536F2
background
#F5F5F7
surface
#E9E9EE
border
#C5C5C9
text
#030309
muted
#78787B

Preview Lab

Preview with #0A1E48

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

Preview Lab → · Contrast checker → · Palette generator →

#0A1E48 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva