#13387F#13387F

#13387F is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.1% C 0.128 H 261.7°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#13387F
RGB	rgb(19, 56, 127)
HSL	hsl(219, 74%, 29%)
HSV	hsv(219, 85%, 50%)
CMYK	cmyk(85%, 55.9%, 0%, 50.2%)
CIE-LAB	lab(25.26, 15.71, -43.78)
CIE-LCH	lch(25.26, 46.52, 289.74°)
OKLab	oklab(36.11% -0.0184 -0.1263)
OKLCH	oklch(36.11% 0.128 261.7)
XYZ	xyz(5.5121, 4.4984, 20.6523)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13387F #7F5A13

analogous

#136E7F #13387F #24137F

triadic

#13387F #7F1338 #387F13

tetradic

#13387F #7F136E #7F5A13 #137F24

square

#13387F #7F136E #7F5A13 #137F24

split-complementary

#13387F #7F2413 #6E7F13

monochromatic

#040C1B #0B214A #13387F #1B4FB4 #2D6AE0

Accessibility & contrast

On white

11.05

#13387F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#13387F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13387F

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13387F	#FFFFFF	#000000	##FFFFFF
##13387F	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004181

Deuteranopia (green-blind)

#00377E

Tritanopia (blue-blind)

#004A55

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #13387f;
/* rgb */ color: rgb(19, 56, 127);
/* oklch */ color: oklch(36.1% 0.128 261.7);

Tailwind

colors: {
  custom: {
    50: '#656ea5',
    500: '#13387f',
    950: '#000000',
  },
}

SCSS

$custom: #13387f;
$custom-light: #656ea5;
$custom-dark: #000000;

JSON

{
  "hex": "#13387f",
  "rgb": {
    "r": 19,
    "g": 56,
    "b": 127
  },
  "hsl": {
    "h": 219.444,
    "s": 73.973,
    "l": 28.627
  },
  "oklch": {
    "l": 0.36106,
    "c": 0.12766,
    "h": 261.7
  },
  "luminance": 0.04499
}

Semantic roles & 50–950 ramp

primary

#13387F

secondary

#B48A39

accent

#B137F1

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #13387F

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

Preview Lab → · Contrast checker → · Palette generator →