#13387B#13387B

#13387B is a dark, vivid blue. Relative luminance 0.044; OKLCH L 35.8% C 0.122 H 261.1°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX#13387B
RGBrgb(19, 56, 123)
HSLhsl(219, 73%, 28%)
HSVhsv(219, 85%, 48%)
CMYKcmyk(84.6%, 54.5%, 0%, 51.8%)
CIE-LABlab(24.94, 14.03, -41.77)
CIE-LCHlch(24.94, 44.07, 288.57°)
OKLaboklab(35.77% -0.0188 -0.1204)
OKLCHoklch(35.77% 0.122 261.1)
XYZxyz(5.2566, 4.3962, 19.3066)
Luminance0.0440 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#13387B #7B5613
analogous
#136C7B #13387B #22137B
triadic
#13387B #7B1338 #387B13
tetradic
#13387B #7B136C #7B5613 #137B22
square
#13387B #7B136C #7B5613 #137B22
split-complementary
#13387B #7B2213 #6C7B13
monochromatic
#040C1B #0B2046 #13387B #1B50B0 #2A6ADE

Accessibility & contrast

On white

11.17
#13387B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.88
#13387B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13387B
11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##13387B#FFFFFF#000000##FFFFFF
##13387B1.0011.171.8811.17
#FFFFFF11.171.0021.001.00
#0000001.8821.001.0021.00
##FFFFFF11.171.0021.001.00

Color blindness preview

Protanopia (red-blind)
#07407D
Deuteranopia (green-blind)
#00377A
Tritanopia (blue-blind)
#004853
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #13387b;
/* rgb */ color: rgb(19, 56, 123);
/* oklch */ color: oklch(35.8% 0.122 261.1);
Tailwind
colors: {
  custom: {
    50: '#646ea2',
    500: '#13387b',
    950: '#000000',
  },
}
SCSS
$custom: #13387b;
$custom-light: #646ea2;
$custom-dark: #000000;
JSON
{
  "hex": "#13387b",
  "rgb": {
    "r": 19,
    "g": 56,
    "b": 123
  },
  "hsl": {
    "h": 218.654,
    "s": 73.239,
    "l": 27.843
  },
  "oklch": {
    "l": 0.35767,
    "c": 0.12188,
    "h": 261.1
  },
  "luminance": 0.04397
}

Semantic roles & 50–950 ramp

primary
#13387B
secondary
#B18639
accent
#AE38F0
background
#F6F6FA
surface
#EBEBF3
border
#C6C6CD
text
#06070F
muted
#7A7A7F

Preview Lab

Preview with #13387B

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

Preview Lab → · Contrast checker → · Palette generator →

#13387B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva