#1B4696#1B4696

#1B4696 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.4% C 0.140 H 261.4°. Best body text is #FFFFFF at 8.89:1 contrast (WCAG AA passes).

Color values

HEX#1B4696
RGBrgb(27, 70, 150)
HSLhsl(219, 69%, 35%)
HSVhsv(219, 82%, 59%)
CMYKcmyk(82%, 53.3%, 0%, 41.2%)
CIE-LABlab(31.38, 16.21, -48.07)
CIE-LCHlch(31.38, 50.73, 288.64°)
OKLaboklab(41.4% -0.0209 -0.1385)
OKLCHoklch(41.4% 0.14 261.4)
XYZxyz(8.1452, 6.8144, 29.7343)
Luminance0.0682 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B4696 #966B1B
analogous
#1B8496 #1B4696 #2D1B96
triadic
#1B4696 #961B46 #46961B
tetradic
#1B4696 #961B84 #966B1B #1B962D
square
#1B4696 #961B84 #966B1B #1B962D
split-complementary
#1B4696 #962D1B #84961B
monochromatic
#08162E #122E62 #1B4696 #245ECA #4D80DF

Accessibility & contrast

On white

8.89
#1B4696 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.36
#1B4696 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4696
8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B4696#FFFFFF#000000##FFFFFF
##1B46961.008.892.368.89
#FFFFFF8.891.0021.001.00
#0000002.3621.001.0021.00
##FFFFFF8.891.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0C5099
Deuteranopia (green-blind)
#004594
Tritanopia (blue-blind)
#005A67
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #1b4696;
/* rgb */ color: rgb(27, 70, 150);
/* oklch */ color: oklch(41.4% 0.140 261.4);
Tailwind
colors: {
  custom: {
    50: '#6d78b5',
    500: '#1b4696',
    950: '#000000',
  },
}
SCSS
$custom: #1b4696;
$custom-light: #6d78b5;
$custom-dark: #000000;
JSON
{
  "hex": "#1b4696",
  "rgb": {
    "r": 27,
    "g": 70,
    "b": 150
  },
  "hsl": {
    "h": 219.024,
    "s": 69.492,
    "l": 34.706
  },
  "oklch": {
    "l": 0.41395,
    "c": 0.1401,
    "h": 261.4
  },
  "luminance": 0.06815
}

Semantic roles & 50–950 ramp

primary
#1B4696
secondary
#C1984C
accent
#AE3BEC
background
#F7F7FB
surface
#EDEDF6
border
#C8C8D0
text
#080911
muted
#7B7B80

Preview Lab

Preview with #1B4696

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

Preview Lab → · Contrast checker → · Palette generator →

#1B4696 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva