#13398F#13398F

#13398F is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.7% C 0.149 H 263.1°. Best body text is #FFFFFF at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#13398F
RGB	rgb(19, 57, 143)
HSL	hsl(222, 77%, 32%)
HSV	hsv(222, 87%, 56%)
CMYK	cmyk(86.7%, 60.1%, 0%, 43.9%)
CIE-LAB	lab(26.87, 21.64, -51.12)
CIE-LCH	lch(26.87, 55.51, 292.95°)
OKLab	oklab(37.74% -0.0178 -0.1479)
OKLCH	oklch(37.74% 0.149 263.1)
XYZ	xyz(6.6878, 5.0470, 26.6030)
Luminance	0.0505 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13398F #8F6913

analogous

#13778F #13398F #2B138F

triadic

#13398F #8F1339 #398F13

tetradic

#13398F #8F1377 #8F6913 #138F2B

square

#13398F #8F1377 #8F6913 #138F2B

split-complementary

#13398F #8F2B13 #778F13

monochromatic

#050E23 #0C2359 #13398F #1A4FC5 #386DE5

Accessibility & contrast

On white

10.45

#13398F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#13398F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13398F

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13398F	#FFFFFF	#000000	##FFFFFF
##13398F	1.00	10.45	2.01	10.45
#FFFFFF	10.45	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004592

Deuteranopia (green-blind)

#003A8D

Tritanopia (blue-blind)

#004F5E

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #13398f;
/* rgb */ color: rgb(19, 57, 143);
/* oklch */ color: oklch(37.7% 0.149 263.1);

Tailwind

colors: {
  custom: {
    50: '#6a6eb1',
    500: '#13398f',
    950: '#000000',
  },
}

SCSS

$custom: #13398f;
$custom-light: #6a6eb1;
$custom-dark: #000000;

JSON

{
  "hex": "#13398f",
  "rgb": {
    "r": 19,
    "g": 57,
    "b": 143
  },
  "hsl": {
    "h": 221.613,
    "s": 76.543,
    "l": 31.765
  },
  "oklch": {
    "l": 0.37739,
    "c": 0.14894,
    "h": 263.1
  },
  "luminance": 0.05048
}

Semantic roles & 50–950 ramp

primary

#13398F

secondary

#C3993B

accent

#B935F3

background

#F6F6FB

surface

#ECEBF6

border

#C7C6D0

text

#080711

muted

#7A7A80

Preview Lab

Preview with #13398F

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

Preview Lab → · Contrast checker → · Palette generator →