#13317E#13317E

#13317E is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.5% C 0.135 H 264.2°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#13317E
RGB	rgb(19, 49, 126)
HSL	hsl(223, 74%, 28%)
HSV	hsv(223, 85%, 49%)
CMYK	cmyk(84.9%, 61.1%, 0%, 50.6%)
CIE-LAB	lab(23.14, 20.28, -46.60)
CIE-LCH	lch(23.14, 50.82, 293.51°)
OKLab	oklab(34.48% -0.0137 -0.1347)
OKLCH	oklch(34.48% 0.135 264.2)
XYZ	xyz(5.1314, 3.8408, 20.2055)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13317E #7E6013

analogous

#13667E #13317E #2B137E

triadic

#13317E #7E1331 #317E13

tetradic

#13317E #7E1366 #7E6013 #137E2B

square

#13317E #7E1366 #7E6013 #137E2B

split-complementary

#13317E #7E2B13 #667E13

monochromatic

#040A1B #0B1C49 #13317E #1B46B3 #2C5EDF

Accessibility & contrast

On white

11.88

#13317E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#13317E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13317E

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13317E	#FFFFFF	#000000	##FFFFFF
##13317E	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C81

Deuteranopia (green-blind)

#00327D

Tritanopia (blue-blind)

#004552

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #13317e;
/* rgb */ color: rgb(19, 49, 126);
/* oklch */ color: oklch(34.5% 0.135 264.2);

Tailwind

colors: {
  custom: {
    50: '#6668a4',
    500: '#13317e',
    950: '#000000',
  },
}

SCSS

$custom: #13317e;
$custom-light: #6668a4;
$custom-dark: #000000;

JSON

{
  "hex": "#13317e",
  "rgb": {
    "r": 19,
    "g": 49,
    "b": 126
  },
  "hsl": {
    "h": 223.178,
    "s": 73.793,
    "l": 28.431
  },
  "oklch": {
    "l": 0.34483,
    "c": 0.13543,
    "h": 264.2
  },
  "luminance": 0.03841
}

Semantic roles & 50–950 ramp

primary

#13317E

secondary

#B49139

accent

#BD37F0

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #13317E

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

Preview Lab → · Contrast checker → · Palette generator →