#13378D#13378D

#13378D is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.1% C 0.149 H 263.5°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#13378D
RGB	rgb(19, 55, 141)
HSL	hsl(222, 76%, 31%)
HSV	hsv(222, 87%, 55%)
CMYK	cmyk(86.5%, 61%, 0%, 44.7%)
CIE-LAB	lab(26.14, 22.22, -51.08)
CIE-LCH	lch(26.14, 55.70, 293.51°)
OKLab	oklab(37.14% -0.0167 -0.1478)
OKLCH	oklch(37.14% 0.149 263.5)
XYZ	xyz(6.4407, 4.7931, 25.7798)
Luminance	0.0479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13378D #8D6913

analogous

#13748D #13378D #2C138D

triadic

#13378D #8D1337 #378D13

tetradic

#13378D #8D1374 #8D6913 #138D2C

square

#13378D #8D1374 #8D6913 #138D2C

split-complementary

#13378D #8D2C13 #748D13

monochromatic

#040D21 #0C2257 #13378D #1A4CC3 #366AE4

Accessibility & contrast

On white

10.72

#13378D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#13378D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13378D

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13378D	#FFFFFF	#000000	##FFFFFF
##13378D	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004490

Deuteranopia (green-blind)

#00388B

Tritanopia (blue-blind)

#004D5C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #13378d;
/* rgb */ color: rgb(19, 55, 141);
/* oklch */ color: oklch(37.1% 0.149 263.5);

Tailwind

colors: {
  custom: {
    50: '#696daf',
    500: '#13378d',
    950: '#000000',
  },
}

SCSS

$custom: #13378d;
$custom-light: #696daf;
$custom-dark: #000000;

JSON

{
  "hex": "#13378d",
  "rgb": {
    "r": 19,
    "g": 55,
    "b": 141
  },
  "hsl": {
    "h": 222.295,
    "s": 76.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.37137,
    "c": 0.14872,
    "h": 263.5
  },
  "luminance": 0.04794
}

Semantic roles & 50–950 ramp

primary

#13378D

secondary

#C1993B

accent

#BB35F3

background

#F6F6FA

surface

#ECEBF5

border

#C7C6CF

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #13378D

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

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