#19378B#19378B

#19378B is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.2% C 0.144 H 265.0°. Best body text is #FFFFFF at 10.71:1 contrast (WCAG AA passes).

Color values

HEX#19378B
RGBrgb(25, 55, 139)
HSLhsl(224, 70%, 32%)
HSVhsv(224, 82%, 55%)
CMYKcmyk(82%, 60.4%, 0%, 45.5%)
CIE-LABlab(26.16, 21.94, -49.79)
CIE-LCHlch(26.16, 54.41, 293.79°)
OKLaboklab(37.16% -0.0126 -0.1439)
OKLCHoklch(37.16% 0.144 265)
XYZxyz(6.4256, 4.8024, 25.0094)
Luminance0.0480 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#19378B #8B6D19
analogous
#19708B #19378B #34198B
triadic
#19378B #8B1937 #378B19
tetradic
#19378B #8B1970 #8B6D19 #198B34
square
#19378B #8B1970 #8B6D19 #198B34
split-complementary
#19378B #8B3419 #708B19
monochromatic
#060E23 #102257 #19378B #224CBF #416ADD

Accessibility & contrast

On white

10.71
#19378B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.96
#19378B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #19378B
10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##19378B#FFFFFF#000000##FFFFFF
##19378B1.0010.711.9610.71
#FFFFFF10.711.0021.001.00
#0000001.9621.001.0021.00
##FFFFFF10.711.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00438E
Deuteranopia (green-blind)
#003989
Tritanopia (blue-blind)
#004C5B
Achromatopsia (no color)
#3E3E3E

Design tokens & code

CSS
--color: #19378b;
/* rgb */ color: rgb(25, 55, 139);
/* oklch */ color: oklch(37.2% 0.144 265.0);
Tailwind
colors: {
  custom: {
    50: '#6a6dae',
    500: '#19378b',
    950: '#000000',
  },
}
SCSS
$custom: #19378b;
$custom-light: #6a6dae;
$custom-dark: #000000;
JSON
{
  "hex": "#19378b",
  "rgb": {
    "r": 25,
    "g": 55,
    "b": 139
  },
  "hsl": {
    "h": 224.211,
    "s": 69.512,
    "l": 32.157
  },
  "oklch": {
    "l": 0.3716,
    "c": 0.14445,
    "h": 265
  },
  "luminance": 0.04803
}

Semantic roles & 50–950 ramp

primary
#19378B
secondary
#BE9D42
accent
#BE3BEC
background
#F6F6FA
surface
#ECEBF4
border
#C7C6CE
text
#080710
muted
#7A7A7F

Preview Lab

Preview with #19378B

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

Preview Lab → · Contrast checker → · Palette generator →

#19378B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva