#13388A#13388A

#13388A is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.1% C 0.143 H 263.0°. Best body text is #FFFFFF at 10.71:1 contrast (WCAG AA passes).

Color values

HEX	#13388A
RGB	rgb(19, 56, 138)
HSL	hsl(221, 76%, 31%)
HSV	hsv(221, 86%, 54%)
CMYK	cmyk(86.2%, 59.4%, 0%, 45.9%)
CIE-LAB	lab(26.16, 20.29, -49.18)
CIE-LCH	lch(26.16, 53.20, 292.42°)
OKLab	oklab(37.07% -0.0175 -0.1422)
OKLCH	oklch(37.07% 0.143 263)
XYZ	xyz(6.2685, 4.8010, 24.6361)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13388A #8A6513

analogous

#13738A #13388A #2A138A

triadic

#13388A #8A1338 #388A13

tetradic

#13388A #8A1373 #8A6513 #138A2A

square

#13388A #8A1373 #8A6513 #138A2A

split-complementary

#13388A #8A2A13 #738A13

monochromatic

#040C1E #0C2254 #13388A #1A4EC0 #346BE3

Accessibility & contrast

On white

10.71

#13388A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#13388A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13388A

10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13388A	#FFFFFF	#000000	##FFFFFF
##13388A	1.00	10.71	1.96	10.71
#FFFFFF	10.71	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448D

Deuteranopia (green-blind)

#003988

Tritanopia (blue-blind)

#004D5B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #13388a;
/* rgb */ color: rgb(19, 56, 138);
/* oklch */ color: oklch(37.1% 0.143 263.0);

Tailwind

colors: {
  custom: {
    50: '#686ead',
    500: '#13388a',
    950: '#000000',
  },
}

SCSS

$custom: #13388a;
$custom-light: #686ead;
$custom-dark: #000000;

JSON

{
  "hex": "#13388a",
  "rgb": {
    "r": 19,
    "g": 56,
    "b": 138
  },
  "hsl": {
    "h": 221.345,
    "s": 75.796,
    "l": 30.784
  },
  "oklch": {
    "l": 0.37074,
    "c": 0.14327,
    "h": 263
  },
  "luminance": 0.04802
}

Semantic roles & 50–950 ramp

primary

#13388A

secondary

#BE953A

accent

#B835F2

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #13388A

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

Preview Lab → · Contrast checker → · Palette generator →