#13317D#13317D

#13317D is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.4% C 0.134 H 264.1°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#13317D
RGB	rgb(19, 49, 125)
HSL	hsl(223, 74%, 28%)
HSV	hsv(223, 85%, 49%)
CMYK	cmyk(84.8%, 60.8%, 0%, 51%)
CIE-LAB	lab(23.05, 19.86, -46.11)
CIE-LCH	lch(23.05, 50.20, 293.30°)
OKLab	oklab(34.39% -0.0137 -0.1333)
OKLCH	oklch(34.39% 0.134 264.1)
XYZ	xyz(5.0672, 3.8151, 19.8674)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13317D #7D5F13

analogous

#13667D #13317D #2A137D

triadic

#13317D #7D1331 #317D13

tetradic

#13317D #7D1366 #7D5F13 #137D2A

square

#13317D #7D1366 #7D5F13 #137D2A

split-complementary

#13317D #7D2A13 #667D13

monochromatic

#040A1B #0B1C48 #13317D #1B46B2 #2C5EDF

Accessibility & contrast

On white

11.91

#13317D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#13317D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13317D

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13317D	#FFFFFF	#000000	##FFFFFF
##13317D	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C80

Deuteranopia (green-blind)

#00327C

Tritanopia (blue-blind)

#004452

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #13317d;
/* rgb */ color: rgb(19, 49, 125);
/* oklch */ color: oklch(34.4% 0.134 264.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#13317d",
  "rgb": {
    "r": 19,
    "g": 49,
    "b": 125
  },
  "hsl": {
    "h": 223.019,
    "s": 73.611,
    "l": 28.235
  },
  "oklch": {
    "l": 0.34391,
    "c": 0.134,
    "h": 264.1
  },
  "luminance": 0.03816
}

Semantic roles & 50–950 ramp

primary

#13317D

secondary

#B39039

accent

#BC38F0

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #13317D

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

Preview Lab → · Contrast checker → · Palette generator →