#18448B#18448B

#18448B is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.0% C 0.128 H 259.8°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX#18448B
RGBrgb(24, 68, 139)
HSLhsl(217, 71%, 32%)
HSVhsv(217, 83%, 55%)
CMYKcmyk(82.7%, 51.1%, 0%, 45.5%)
CIE-LABlab(29.89, 12.79, -43.74)
CIE-LCHlch(29.89, 45.57, 286.30°)
OKLaboklab(39.97% -0.0228 -0.1259)
OKLCHoklch(39.97% 0.128 259.8)
XYZxyz(7.1023, 6.1917, 25.2419)
Luminance0.0619 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18448B #8B5F18
analogous
#187E8B #18448B #25188B
triadic
#18448B #8B1844 #448B18
tetradic
#18448B #8B187E #8B5F18 #188B25
square
#18448B #8B187E #8B5F18 #188B25
split-complementary
#18448B #8B2518 #7E8B18
monochromatic
#061123 #0F2A57 #18448B #215EBF #3F7CDE

Accessibility & contrast

On white

9.38
#18448B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.24
#18448B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18448B
9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18448B#FFFFFF#000000##FFFFFF
##18448B1.009.382.249.38
#FFFFFF9.381.0021.001.00
#0000002.2421.001.0021.00
##FFFFFF9.381.0021.001.00

Color blindness preview

Protanopia (red-blind)
#184C8E
Deuteranopia (green-blind)
#00428A
Tritanopia (blue-blind)
#005561
Achromatopsia (no color)
#464646

Design tokens & code

CSS
--color: #18448b;
/* rgb */ color: rgb(24, 68, 139);
/* oklch */ color: oklch(40.0% 0.128 259.8);
Tailwind
colors: {
  custom: {
    50: '#6977ad',
    500: '#18448b',
    950: '#000000',
  },
}
SCSS
$custom: #18448b;
$custom-light: #6977ad;
$custom-dark: #000000;
JSON
{
  "hex": "#18448b",
  "rgb": {
    "r": 24,
    "g": 68,
    "b": 139
  },
  "hsl": {
    "h": 217.043,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.39974,
    "c": 0.12792,
    "h": 259.8
  },
  "luminance": 0.06193
}

Semantic roles & 50–950 ramp

primary
#18448B
secondary
#BE8E40
accent
#A93AED
background
#F6F7FA
surface
#ECEDF4
border
#C7C8CE
text
#070810
muted
#7A7B7F

Preview Lab

Preview with #18448B

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

Preview Lab → · Contrast checker → · Palette generator →

#18448B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva