#13378A#13378A

#13378A is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.9% C 0.145 H 263.3°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#13378A
RGB	rgb(19, 55, 138)
HSL	hsl(222, 76%, 31%)
HSV	hsv(222, 86%, 54%)
CMYK	cmyk(86.2%, 60.1%, 0%, 45.9%)
CIE-LAB	lab(25.88, 20.99, -49.64)
CIE-LCH	lch(25.88, 53.90, 292.92°)
OKLab	oklab(36.86% -0.0168 -0.1436)
OKLCH	oklch(36.86% 0.145 263.3)
XYZ	xyz(6.2205, 4.7050, 24.6201)
Luminance	0.0471 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13378A #8A6613

analogous

#13728A #13378A #2B138A

triadic

#13378A #8A1337 #378A13

tetradic

#13378A #8A1372 #8A6613 #138A2B

square

#13378A #8A1372 #8A6613 #138A2B

split-complementary

#13378A #8A2B13 #728A13

monochromatic

#040C1E #0C2254 #13378A #1A4CC0 #3469E3

Accessibility & contrast

On white

10.82

#13378A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#13378A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13378A

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13378A	#FFFFFF	#000000	##FFFFFF
##13378A	1.00	10.82	1.94	10.82
#FFFFFF	10.82	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438D

Deuteranopia (green-blind)

#003888

Tritanopia (blue-blind)

#004C5B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #13378a;
/* rgb */ color: rgb(19, 55, 138);
/* oklch */ color: oklch(36.9% 0.145 263.3);

Tailwind

colors: {
  custom: {
    50: '#686dad',
    500: '#13378a',
    950: '#000000',
  },
}

SCSS

$custom: #13378a;
$custom-light: #686dad;
$custom-dark: #000000;

JSON

{
  "hex": "#13378a",
  "rgb": {
    "r": 19,
    "g": 55,
    "b": 138
  },
  "hsl": {
    "h": 221.849,
    "s": 75.796,
    "l": 30.784
  },
  "oklch": {
    "l": 0.36861,
    "c": 0.14455,
    "h": 263.3
  },
  "luminance": 0.04706
}

Semantic roles & 50–950 ramp

primary

#13378A

secondary

#BE963A

accent

#B935F2

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #13378A

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

Preview Lab → · Contrast checker → · Palette generator →