#13378F#13378F

#13378F is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.3% C 0.151 H 263.7°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#13378F
RGB	rgb(19, 55, 143)
HSL	hsl(223, 77%, 32%)
HSV	hsv(223, 87%, 56%)
CMYK	cmyk(86.7%, 61.5%, 0%, 43.9%)
CIE-LAB	lab(26.31, 23.04, -52.03)
CIE-LCH	lch(26.31, 56.90, 293.88°)
OKLab	oklab(37.32% -0.0166 -0.1506)
OKLCH	oklch(37.32% 0.151 263.7)
XYZ	xyz(6.5909, 4.8532, 26.5707)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13378F #8F6B13

analogous

#13758F #13378F #2D138F

triadic

#13378F #8F1337 #378F13

tetradic

#13378F #8F1375 #8F6B13 #138F2D

square

#13378F #8F1375 #8F6B13 #138F2D

split-complementary

#13378F #8F2D13 #758F13

monochromatic

#050D23 #0C2259 #13378F #1A4CC5 #386AE5

Accessibility & contrast

On white

10.66

#13378F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#13378F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13378F

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13378F	#FFFFFF	#000000	##FFFFFF
##13378F	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004492

Deuteranopia (green-blind)

#00398D

Tritanopia (blue-blind)

#004E5D

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #13378f;
/* rgb */ color: rgb(19, 55, 143);
/* oklch */ color: oklch(37.3% 0.151 263.7);

Tailwind

colors: {
  custom: {
    50: '#6a6db1',
    500: '#13378f',
    950: '#000000',
  },
}

SCSS

$custom: #13378f;
$custom-light: #6a6db1;
$custom-dark: #000000;

JSON

{
  "hex": "#13378f",
  "rgb": {
    "r": 19,
    "g": 55,
    "b": 143
  },
  "hsl": {
    "h": 222.581,
    "s": 76.543,
    "l": 31.765
  },
  "oklch": {
    "l": 0.37322,
    "c": 0.15149,
    "h": 263.7
  },
  "luminance": 0.04854
}

Semantic roles & 50–950 ramp

primary

#13378F

secondary

#C39B3B

accent

#BC35F3

background

#F6F6FB

surface

#ECEBF6

border

#C7C6D0

text

#080711

muted

#7A7A80

Preview Lab

Preview with #13378F

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

Preview Lab → · Contrast checker → · Palette generator →