#13397B#13397B

#13397B is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.0% C 0.121 H 260.7°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX#13397B
RGBrgb(19, 57, 123)
HSLhsl(218, 73%, 28%)
HSVhsv(218, 85%, 48%)
CMYKcmyk(84.6%, 53.7%, 0%, 51.8%)
CIE-LABlab(25.24, 13.32, -41.28)
CIE-LCHlch(25.24, 43.38, 287.88°)
OKLaboklab(36% -0.0196 -0.119)
OKLCHoklch(36% 0.121 260.7)
XYZxyz(5.3055, 4.4941, 19.3229)
Luminance0.0449 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#13397B #7B5513
analogous
#136D7B #13397B #21137B
triadic
#13397B #7B1339 #397B13
tetradic
#13397B #7B136D #7B5513 #137B21
square
#13397B #7B136D #7B5513 #137B21
split-complementary
#13397B #7B2113 #6D7B13
monochromatic
#040C1B #0B2046 #13397B #1B52B0 #2A6CDE

Accessibility & contrast

On white

11.06
#13397B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.90
#13397B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13397B
11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##13397B#FFFFFF#000000##FFFFFF
##13397B1.0011.061.9011.06
#FFFFFF11.061.0021.001.00
#0000001.9021.001.0021.00
##FFFFFF11.061.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0B417D
Deuteranopia (green-blind)
#00377A
Tritanopia (blue-blind)
#004954
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #13397b;
/* rgb */ color: rgb(19, 57, 123);
/* oklch */ color: oklch(36.0% 0.121 260.7);
Tailwind
colors: {
  custom: {
    50: '#646ea2',
    500: '#13397b',
    950: '#000000',
  },
}
SCSS
$custom: #13397b;
$custom-light: #646ea2;
$custom-dark: #000000;
JSON
{
  "hex": "#13397b",
  "rgb": {
    "r": 19,
    "g": 57,
    "b": 123
  },
  "hsl": {
    "h": 218.077,
    "s": 73.239,
    "l": 27.843
  },
  "oklch": {
    "l": 0.35997,
    "c": 0.12056,
    "h": 260.7
  },
  "luminance": 0.04495
}

Semantic roles & 50–950 ramp

primary
#13397B
secondary
#B18539
accent
#AD38F0
background
#F6F6FA
surface
#EBEBF3
border
#C6C6CD
text
#06070F
muted
#7A7A7F

Preview Lab

Preview with #13397B

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

Preview Lab → · Contrast checker → · Palette generator →

#13397B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva