#13387D#13387D

#13387D is a dark, vivid blue. Relative luminance 0.044; OKLCH L 35.9% C 0.125 H 261.4°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#13387D
RGB	rgb(19, 56, 125)
HSL	hsl(219, 74%, 28%)
HSV	hsv(219, 85%, 49%)
CMYK	cmyk(84.8%, 55.2%, 0%, 51%)
CIE-LAB	lab(25.10, 14.87, -42.78)
CIE-LCH	lch(25.10, 45.29, 289.17°)
OKLab	oklab(35.94% -0.0186 -0.1234)
OKLCH	oklch(35.94% 0.125 261.4)
XYZ	xyz(5.3831, 4.4468, 19.9727)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13387D #7D5813

analogous

#136D7D #13387D #23137D

triadic

#13387D #7D1338 #387D13

tetradic

#13387D #7D136D #7D5813 #137D23

square

#13387D #7D136D #7D5813 #137D23

split-complementary

#13387D #7D2313 #6D7D13

monochromatic

#040C1B #0B2048 #13387D #1B50B2 #2C6ADF

Accessibility & contrast

On white

11.11

#13387D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#13387D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13387D

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13387D	#FFFFFF	#000000	##FFFFFF
##13387D	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#02417F

Deuteranopia (green-blind)

#00377C

Tritanopia (blue-blind)

#004954

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #13387d;
/* rgb */ color: rgb(19, 56, 125);
/* oklch */ color: oklch(35.9% 0.125 261.4);

Tailwind

colors: {
  custom: {
    50: '#656ea3',
    500: '#13387d',
    950: '#000000',
  },
}

SCSS

$custom: #13387d;
$custom-light: #656ea3;
$custom-dark: #000000;

JSON

{
  "hex": "#13387d",
  "rgb": {
    "r": 19,
    "g": 56,
    "b": 125
  },
  "hsl": {
    "h": 219.057,
    "s": 73.611,
    "l": 28.235
  },
  "oklch": {
    "l": 0.35936,
    "c": 0.12478,
    "h": 261.4
  },
  "luminance": 0.04447
}

Semantic roles & 50–950 ramp

primary

#13387D

secondary

#B38839

accent

#B038F0

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #13387D

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

Preview Lab → · Contrast checker → · Palette generator →