#13337D#13337D

#13337D is a dark, vivid blue. Relative luminance 0.040; OKLCH L 34.8% C 0.131 H 263.4°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#13337D
RGB	rgb(19, 51, 125)
HSL	hsl(222, 74%, 28%)
HSV	hsv(222, 85%, 49%)
CMYK	cmyk(84.8%, 59.2%, 0%, 51%)
CIE-LAB	lab(23.63, 18.44, -45.17)
CIE-LCH	lch(23.63, 48.79, 292.20°)
OKLab	oklab(34.82% -0.015 -0.1305)
OKLCH	oklch(34.82% 0.131 263.4)
XYZ	xyz(5.1527, 3.9861, 19.8959)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13337D #7D5D13

analogous

#13687D #13337D #28137D

triadic

#13337D #7D1333 #337D13

tetradic

#13337D #7D1368 #7D5D13 #137D28

square

#13337D #7D1368 #7D5D13 #137D28

split-complementary

#13337D #7D2813 #687D13

monochromatic

#040B1B #0B1D48 #13337D #1B49B2 #2C62DF

Accessibility & contrast

On white

11.68

#13337D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#13337D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13337D

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13337D	#FFFFFF	#000000	##FFFFFF
##13337D	1.00	11.68	1.80	11.68
#FFFFFF	11.68	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D80

Deuteranopia (green-blind)

#00347C

Tritanopia (blue-blind)

#004652

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #13337d;
/* rgb */ color: rgb(19, 51, 125);
/* oklch */ color: oklch(34.8% 0.131 263.4);

Tailwind

colors: {
  custom: {
    50: '#656aa3',
    500: '#13337d',
    950: '#000000',
  },
}

SCSS

$custom: #13337d;
$custom-light: #656aa3;
$custom-dark: #000000;

JSON

{
  "hex": "#13337d",
  "rgb": {
    "r": 19,
    "g": 51,
    "b": 125
  },
  "hsl": {
    "h": 221.887,
    "s": 73.611,
    "l": 28.235
  },
  "oklch": {
    "l": 0.34823,
    "c": 0.13138,
    "h": 263.4
  },
  "luminance": 0.03987
}

Semantic roles & 50–950 ramp

primary

#13337D

secondary

#B38E39

accent

#B938F0

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #13337D

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

Preview Lab → · Contrast checker → · Palette generator →