#1B4192#1B4192

#1B4192 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.0% C 0.141 H 262.8°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).

Color values

HEX#1B4192
RGBrgb(27, 65, 146)
HSLhsl(221, 69%, 34%)
HSVhsv(221, 82%, 57%)
CMYKcmyk(81.5%, 55.5%, 0%, 42.7%)
CIE-LABlab(29.63, 18.04, -48.45)
CIE-LCHlch(29.63, 51.70, 290.42°)
OKLaboklab(39.97% -0.0176 -0.1398)
OKLCHoklch(39.97% 0.141 262.8)
XYZxyz(7.5287, 6.0880, 27.9669)
Luminance0.0609 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B4192 #926C1B
analogous
#1B7D92 #1B4192 #311B92
triadic
#1B4192 #921B41 #41921B
tetradic
#1B4192 #921B7D #926C1B #1B9231
square
#1B4192 #921B7D #926C1B #1B9231
split-complementary
#1B4192 #92311B #7D921B
monochromatic
#08132B #112A5E #1B4192 #2558C6 #4A79DE

Accessibility & contrast

On white

9.47
#1B4192 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.22
#1B4192 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4192
9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B4192#FFFFFF#000000##FFFFFF
##1B41921.009.472.229.47
#FFFFFF9.471.0021.001.00
#0000002.2221.001.0021.00
##FFFFFF9.471.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004C95
Deuteranopia (green-blind)
#004190
Tritanopia (blue-blind)
#005563
Achromatopsia (no color)
#464646

Design tokens & code

CSS
--color: #1b4192;
/* rgb */ color: rgb(27, 65, 146);
/* oklch */ color: oklch(40.0% 0.141 262.8);
Tailwind
colors: {
  custom: {
    50: '#6c75b3',
    500: '#1b4192',
    950: '#000000',
  },
}
SCSS
$custom: #1b4192;
$custom-light: #6c75b3;
$custom-dark: #000000;
JSON
{
  "hex": "#1b4192",
  "rgb": {
    "r": 27,
    "g": 65,
    "b": 146
  },
  "hsl": {
    "h": 220.84,
    "s": 68.786,
    "l": 33.922
  },
  "oklch": {
    "l": 0.39971,
    "c": 0.14088,
    "h": 262.8
  },
  "luminance": 0.06089
}

Semantic roles & 50–950 ramp

primary
#1B4192
secondary
#BF9A49
accent
#B43CEC
background
#F7F7FB
surface
#EDEDF6
border
#C8C8D0
text
#080811
muted
#7B7B80

Preview Lab

Preview with #1B4192

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

Preview Lab → · Contrast checker → · Palette generator →

#1B4192 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva