#13387E#13387E

#13387E is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.0% C 0.126 H 261.6°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#13387E
RGB	rgb(19, 56, 126)
HSL	hsl(219, 74%, 28%)
HSV	hsv(219, 85%, 49%)
CMYK	cmyk(84.9%, 55.6%, 0%, 50.6%)
CIE-LAB	lab(25.18, 15.29, -43.28)
CIE-LCH	lch(25.18, 45.91, 289.46°)
OKLab	oklab(36.02% -0.0185 -0.1249)
OKLCH	oklch(36.02% 0.126 261.6)
XYZ	xyz(5.4473, 4.4725, 20.3108)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13387E #7E5913

analogous

#136D7E #13387E #23137E

triadic

#13387E #7E1338 #387E13

tetradic

#13387E #7E136D #7E5913 #137E23

square

#13387E #7E136D #7E5913 #137E23

split-complementary

#13387E #7E2313 #6D7E13

monochromatic

#040C1B #0B2049 #13387E #1B50B3 #2C6ADF

Accessibility & contrast

On white

11.08

#13387E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#13387E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13387E

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13387E	#FFFFFF	#000000	##FFFFFF
##13387E	1.00	11.08	1.89	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004180

Deuteranopia (green-blind)

#00377D

Tritanopia (blue-blind)

#004955

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #13387e;
/* rgb */ color: rgb(19, 56, 126);
/* oklch */ color: oklch(36.0% 0.126 261.6);

Tailwind

colors: {
  custom: {
    50: '#656ea4',
    500: '#13387e',
    950: '#000000',
  },
}

SCSS

$custom: #13387e;
$custom-light: #656ea4;
$custom-dark: #000000;

JSON

{
  "hex": "#13387e",
  "rgb": {
    "r": 19,
    "g": 56,
    "b": 126
  },
  "hsl": {
    "h": 219.252,
    "s": 73.793,
    "l": 28.431
  },
  "oklch": {
    "l": 0.36021,
    "c": 0.12622,
    "h": 261.6
  },
  "luminance": 0.04473
}

Semantic roles & 50–950 ramp

primary

#13387E

secondary

#B48939

accent

#B037F0

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #13387E

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

Preview Lab → · Contrast checker → · Palette generator →