#0A1745#0A1745

#0A1745 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.8% C 0.088 H 266.9°. Best body text is #FFFFFF at 17.19:1 contrast (WCAG AA passes).

Color values

HEX#0A1745
RGBrgb(10, 23, 69)
HSLhsl(227, 75%, 15%)
HSVhsv(227, 86%, 27%)
CMYKcmyk(85.5%, 66.7%, 0%, 72.9%)
CIE-LABlab(9.85, 14.14, -30.52)
CIE-LCHlch(9.85, 33.64, 294.86°)
OKLaboklab(22.82% -0.0047 -0.0882)
OKLCHoklch(22.82% 0.088 266.9)
XYZxyz(1.5054, 1.1068, 5.7634)
Luminance0.0111 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0A1745 #45380A
analogous
#0A3445 #0A1745 #1A0A45
triadic
#0A1745 #450A17 #17450A
tetradic
#0A1745 #450A34 #45380A #0A451A
square
#0A1745 #450A34 #45380A #0A451A
split-complementary
#0A1745 #451A0A #34450A
monochromatic
#04091B #04091B #0A1745 #12297A #193BB0

Accessibility & contrast

On white

17.19
#0A1745 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.22
#0A1745 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1745
17.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0A1745#FFFFFF#000000##FFFFFF
##0A17451.0017.191.2217.19
#FFFFFF17.191.0021.001.00
#0000001.2221.001.0021.00
##FFFFFF17.191.0021.001.00

Color blindness preview

Protanopia (red-blind)
#001E47
Deuteranopia (green-blind)
#001944
Tritanopia (blue-blind)
#00232B
Achromatopsia (no color)
#1B1B1B

Design tokens & code

CSS
--color: #0a1745;
/* rgb */ color: rgb(10, 23, 69);
/* oklch */ color: oklch(22.8% 0.088 266.9);
Tailwind
colors: {
  custom: {
    50: '#545379',
    500: '#0a1745',
    950: '#000000',
  },
}
SCSS
$custom: #0a1745;
$custom-light: #545379;
$custom-dark: #000000;
JSON
{
  "hex": "#0a1745",
  "rgb": {
    "r": 10,
    "g": 23,
    "b": 69
  },
  "hsl": {
    "h": 226.78,
    "s": 74.684,
    "l": 15.49
  },
  "oklch": {
    "l": 0.2282,
    "c": 0.0883,
    "h": 266.9
  },
  "luminance": 0.01107
}

Semantic roles & 50–950 ramp

primary
#0A1745
secondary
#826E29
accent
#C836F1
background
#F5F4F7
surface
#E9E7ED
border
#C5C3C8
text
#030209
muted
#78787B

Preview Lab

Preview with #0A1745

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

Preview Lab → · Contrast checker → · Palette generator →

#0A1745 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva