#13387C#13387C

#13387C is a dark, vivid blue. Relative luminance 0.044; OKLCH L 35.9% C 0.123 H 261.3°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#13387C
RGB	rgb(19, 56, 124)
HSL	hsl(219, 73%, 28%)
HSV	hsv(219, 85%, 49%)
CMYK	cmyk(84.7%, 54.8%, 0%, 51.4%)
CIE-LAB	lab(25.02, 14.45, -42.28)
CIE-LCH	lch(25.02, 44.68, 288.87°)
OKLab	oklab(35.85% -0.0187 -0.1219)
OKLCH	oklch(35.85% 0.123 261.3)
XYZ	xyz(5.3195, 4.4214, 19.6379)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13387C #7C5713

analogous

#136C7C #13387C #22137C

triadic

#13387C #7C1338 #387C13

tetradic

#13387C #7C136C #7C5713 #137C22

square

#13387C #7C136C #7C5713 #137C22

split-complementary

#13387C #7C2213 #6C7C13

monochromatic

#040C1B #0B2047 #13387C #1B50B1 #2B6ADF

Accessibility & contrast

On white

11.14

#13387C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#13387C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13387C

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13387C	#FFFFFF	#000000	##FFFFFF
##13387C	1.00	11.14	1.88	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#04407E

Deuteranopia (green-blind)

#00377B

Tritanopia (blue-blind)

#004954

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #13387c;
/* rgb */ color: rgb(19, 56, 124);
/* oklch */ color: oklch(35.9% 0.123 261.3);

Tailwind

colors: {
  custom: {
    50: '#646ea2',
    500: '#13387c',
    950: '#000000',
  },
}

SCSS

$custom: #13387c;
$custom-light: #646ea2;
$custom-dark: #000000;

JSON

{
  "hex": "#13387c",
  "rgb": {
    "r": 19,
    "g": 56,
    "b": 124
  },
  "hsl": {
    "h": 218.857,
    "s": 73.427,
    "l": 28.039
  },
  "oklch": {
    "l": 0.35851,
    "c": 0.12333,
    "h": 261.3
  },
  "luminance": 0.04422
}

Semantic roles & 50–950 ramp

primary

#13387C

secondary

#B28739

accent

#AF38F0

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #13387C

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

Preview Lab → · Contrast checker → · Palette generator →