#13377C#13377C

#13377C is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.6% C 0.125 H 261.7°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#13377C
RGB	rgb(19, 55, 124)
HSL	hsl(219, 73%, 28%)
HSV	hsv(219, 85%, 49%)
CMYK	cmyk(84.7%, 55.6%, 0%, 51.4%)
CIE-LAB	lab(24.72, 15.16, -42.76)
CIE-LCH	lch(24.72, 45.37, 289.53°)
OKLab	oklab(35.62% -0.0179 -0.1234)
OKLCH	oklch(35.62% 0.125 261.7)
XYZ	xyz(5.2715, 4.3254, 19.6219)
Luminance	0.0433 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13377C #7C5813

analogous

#136B7C #13377C #24137C

triadic

#13377C #7C1337 #377C13

tetradic

#13377C #7C136B #7C5813 #137C24

square

#13377C #7C136B #7C5813 #137C24

split-complementary

#13377C #7C2413 #6B7C13

monochromatic

#040C1B #0B1F47 #13377C #1B4FB1 #2B68DF

Accessibility & contrast

On white

11.26

#13377C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#13377C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13377C

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13377C	#FFFFFF	#000000	##FFFFFF
##13377C	1.00	11.26	1.87	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00407E

Deuteranopia (green-blind)

#00367B

Tritanopia (blue-blind)

#004854

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #13377c;
/* rgb */ color: rgb(19, 55, 124);
/* oklch */ color: oklch(35.6% 0.125 261.7);

Tailwind

colors: {
  custom: {
    50: '#656da2',
    500: '#13377c',
    950: '#000000',
  },
}

SCSS

$custom: #13377c;
$custom-light: #656da2;
$custom-dark: #000000;

JSON

{
  "hex": "#13377c",
  "rgb": {
    "r": 19,
    "g": 55,
    "b": 124
  },
  "hsl": {
    "h": 219.429,
    "s": 73.427,
    "l": 28.039
  },
  "oklch": {
    "l": 0.35624,
    "c": 0.12466,
    "h": 261.7
  },
  "luminance": 0.04326
}

Semantic roles & 50–950 ramp

primary

#13377C

secondary

#B28839

accent

#B138F0

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #13377C

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

Preview Lab → · Contrast checker → · Palette generator →