#13305B#13305B

#13305B is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.3% C 0.085 H 258.3°. Best body text is #FFFFFF at 13.11:1 contrast (WCAG AA passes).

Color values

HEX	#13305B
RGB	rgb(19, 48, 91)
HSL	hsl(216, 65%, 22%)
HSV	hsv(216, 79%, 36%)
CMYK	cmyk(79.1%, 47.3%, 0%, 64.3%)
CIE-LAB	lab(20.07, 6.19, -28.95)
CIE-LCH	lch(20.07, 29.61, 282.06°)
OKLab	oklab(31.28% -0.0171 -0.0829)
OKLCH	oklch(31.28% 0.085 258.3)
XYZ	xyz(3.2132, 3.0073, 10.3066)
Luminance	0.0301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13305B #5B3E13

analogous

#13545B #13305B #1A135B

triadic

#13305B #5B1330 #305B13

tetradic

#13305B #5B1354 #5B3E13 #135B1A

square

#13305B #5B1354 #5B3E13 #135B1A

split-complementary

#13305B #5B1A13 #545B13

monochromatic

#050D19 #081528 #13305B #1E4B8E #2865C0

Accessibility & contrast

On white

13.11

#13305B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#13305B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13305B

13.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13305B	#FFFFFF	#000000	##FFFFFF
##13305B	1.00	13.11	1.60	13.11
#FFFFFF	13.11	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B345D

Deuteranopia (green-blind)

#0D2D5A

Tritanopia (blue-blind)

#003A41

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #13305b;
/* rgb */ color: rgb(19, 48, 91);
/* oklch */ color: oklch(31.3% 0.085 258.3);

Tailwind

colors: {
  custom: {
    50: '#5c678a',
    500: '#13305b',
    950: '#000000',
  },
}

SCSS

$custom: #13305b;
$custom-light: #5c678a;
$custom-dark: #000000;

JSON

{
  "hex": "#13305b",
  "rgb": {
    "r": 19,
    "g": 48,
    "b": 91
  },
  "hsl": {
    "h": 215.833,
    "s": 65.455,
    "l": 21.569
  },
  "oklch": {
    "l": 0.31279,
    "c": 0.08462,
    "h": 258.3
  },
  "luminance": 0.03008
}

Semantic roles & 50–950 ramp

primary

#13305B

secondary

#936E37

accent

#A43FE8

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#04060B

muted

#797A7C

Preview Lab

Preview with #13305B

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

Preview Lab → · Contrast checker → · Palette generator →