#13317C#13317C

#13317C is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.3% C 0.133 H 264.0°. Best body text is #FFFFFF at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#13317C
RGB	rgb(19, 49, 124)
HSL	hsl(223, 73%, 28%)
HSV	hsv(223, 85%, 49%)
CMYK	cmyk(84.7%, 60.5%, 0%, 51.4%)
CIE-LAB	lab(22.96, 19.45, -45.62)
CIE-LCH	lch(22.96, 49.59, 293.09°)
OKLab	oklab(34.3% -0.0137 -0.1319)
OKLCH	oklch(34.3% 0.133 264)
XYZ	xyz(5.0037, 3.7897, 19.5326)
Luminance	0.0379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13317C #7C5E13

analogous

#13657C #13317C #29137C

triadic

#13317C #7C1331 #317C13

tetradic

#13317C #7C1365 #7C5E13 #137C29

square

#13317C #7C1365 #7C5E13 #137C29

split-complementary

#13317C #7C2913 #657C13

monochromatic

#040A1B #0B1C47 #13317C #1B46B1 #2B5EDF

Accessibility & contrast

On white

11.95

#13317C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#13317C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13317C

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13317C	#FFFFFF	#000000	##FFFFFF
##13317C	1.00	11.95	1.76	11.95
#FFFFFF	11.95	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C7F

Deuteranopia (green-blind)

#00327B

Tritanopia (blue-blind)

#004451

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #13317c;
/* rgb */ color: rgb(19, 49, 124);
/* oklch */ color: oklch(34.3% 0.133 264.0);

Tailwind

colors: {
  custom: {
    50: '#6568a3',
    500: '#13317c',
    950: '#000000',
  },
}

SCSS

$custom: #13317c;
$custom-light: #6568a3;
$custom-dark: #000000;

JSON

{
  "hex": "#13317c",
  "rgb": {
    "r": 19,
    "g": 49,
    "b": 124
  },
  "hsl": {
    "h": 222.857,
    "s": 73.427,
    "l": 28.039
  },
  "oklch": {
    "l": 0.34298,
    "c": 0.13257,
    "h": 264
  },
  "luminance": 0.0379
}

Semantic roles & 50–950 ramp

primary

#13317C

secondary

#B28F39

accent

#BB38F0

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #13317C

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

Preview Lab → · Contrast checker → · Palette generator →