#13337E#13337E

#13337E is a dark, vivid blue. Relative luminance 0.040; OKLCH L 34.9% C 0.133 H 263.5°. Best body text is #FFFFFF at 11.65:1 contrast (WCAG AA passes).

Color values

HEX	#13337E
RGB	rgb(19, 51, 126)
HSL	hsl(222, 74%, 28%)
HSV	hsv(222, 85%, 49%)
CMYK	cmyk(84.9%, 59.5%, 0%, 50.6%)
CIE-LAB	lab(23.71, 18.85, -45.66)
CIE-LCH	lch(23.71, 49.40, 292.43°)
OKLab	oklab(34.91% -0.015 -0.132)
OKLCH	oklch(34.91% 0.133 263.5)
XYZ	xyz(5.2169, 4.0118, 20.2340)
Luminance	0.0401 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13337E #7E5E13

analogous

#13687E #13337E #28137E

triadic

#13337E #7E1333 #337E13

tetradic

#13337E #7E1368 #7E5E13 #137E28

square

#13337E #7E1368 #7E5E13 #137E28

split-complementary

#13337E #7E2813 #687E13

monochromatic

#040B1B #0B1D49 #13337E #1B49B3 #2C62DF

Accessibility & contrast

On white

11.65

#13337E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#13337E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13337E

11.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13337E	#FFFFFF	#000000	##FFFFFF
##13337E	1.00	11.65	1.80	11.65
#FFFFFF	11.65	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E81

Deuteranopia (green-blind)

#00347D

Tritanopia (blue-blind)

#004653

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #13337e;
/* rgb */ color: rgb(19, 51, 126);
/* oklch */ color: oklch(34.9% 0.133 263.5);

Tailwind

colors: {
  custom: {
    50: '#656aa4',
    500: '#13337e',
    950: '#000000',
  },
}

SCSS

$custom: #13337e;
$custom-light: #656aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#13337e",
  "rgb": {
    "r": 19,
    "g": 51,
    "b": 126
  },
  "hsl": {
    "h": 222.056,
    "s": 73.793,
    "l": 28.431
  },
  "oklch": {
    "l": 0.34913,
    "c": 0.13281,
    "h": 263.5
  },
  "luminance": 0.04012
}

Semantic roles & 50–950 ramp

primary

#13337E

secondary

#B48F39

accent

#B937F0

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #13337E

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

Preview Lab → · Contrast checker → · Palette generator →