#0A1743#0A1743

#0A1743 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.6% C 0.085 H 266.8°. Best body text is #FFFFFF at 17.26:1 contrast (WCAG AA passes).

Color values

HEX#0A1743
RGBrgb(10, 23, 67)
HSLhsl(226, 74%, 15%)
HSVhsv(226, 85%, 26%)
CMYKcmyk(85.1%, 65.7%, 0%, 73.7%)
CIE-LABlab(9.66, 13.24, -29.43)
CIE-LCHlch(9.66, 32.27, 294.23°)
OKLaboklab(22.62% -0.0048 -0.085)
OKLCHoklch(22.62% 0.085 266.8)
XYZxyz(1.4443, 1.0824, 5.4419)
Luminance0.0108 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0A1743 #43360A
analogous
#0A3343 #0A1743 #1A0A43
triadic
#0A1743 #430A17 #17430A
tetradic
#0A1743 #430A33 #43360A #0A431A
square
#0A1743 #430A33 #43360A #0A431A
split-complementary
#0A1743 #431A0A #33430A
monochromatic
#04091B #04091B #0A1743 #122978 #1A3CAE

Accessibility & contrast

On white

17.26
#0A1743 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.22
#0A1743 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1743
17.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0A1743#FFFFFF#000000##FFFFFF
##0A17431.0017.261.2217.26
#FFFFFF17.261.0021.001.00
#0000001.2221.001.0021.00
##FFFFFF17.261.0021.001.00

Color blindness preview

Protanopia (red-blind)
#001E44
Deuteranopia (green-blind)
#001842
Tritanopia (blue-blind)
#00222A
Achromatopsia (no color)
#1B1B1B

Design tokens & code

CSS
--color: #0a1743;
/* rgb */ color: rgb(10, 23, 67);
/* oklch */ color: oklch(22.6% 0.085 266.8);
Tailwind
colors: {
  custom: {
    50: '#545378',
    500: '#0a1743',
    950: '#000000',
  },
}
SCSS
$custom: #0a1743;
$custom-light: #545378;
$custom-dark: #000000;
JSON
{
  "hex": "#0a1743",
  "rgb": {
    "r": 10,
    "g": 23,
    "b": 67
  },
  "hsl": {
    "h": 226.316,
    "s": 74.026,
    "l": 15.098
  },
  "oklch": {
    "l": 0.22617,
    "c": 0.08509,
    "h": 266.8
  },
  "luminance": 0.01083
}

Semantic roles & 50–950 ramp

primary
#0A1743
secondary
#806C29
accent
#C637F1
background
#F5F4F7
surface
#E9E7ED
border
#C5C3C8
text
#030209
muted
#78787B

Preview Lab

Preview with #0A1743

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

Preview Lab → · Contrast checker → · Palette generator →

#0A1743 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva