#13105B#13105B

#13105B is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.5% C 0.127 H 273.6°. Best body text is #FFFFFF at 16.76:1 contrast (WCAG AA passes).

Color values

HEX	#13105B
RGB	rgb(19, 16, 91)
HSL	hsl(242, 70%, 21%)
HSV	hsv(242, 82%, 36%)
CMYK	cmyk(79.1%, 82.4%, 0%, 64.3%)
CIE-LAB	lab(11.02, 29.01, -43.69)
CIE-LCH	lch(11.02, 52.45, 303.58°)
OKLab	oklab(24.55% 0.0079 -0.1264)
OKLCH	oklch(24.55% 0.127 273.6)
XYZ	xyz(2.3415, 1.2641, 10.0161)
Luminance	0.0126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13105B #585B10

analogous

#10325B #13105B #38105B

triadic

#13105B #5B1310 #105B13

tetradic

#13105B #5B1032 #585B10 #105B38

square

#13105B #5B1032 #585B10 #105B38

split-complementary

#13105B #5B3810 #325B10

monochromatic

#05051A #080727 #13105B #1E198F #2922C3

Accessibility & contrast

On white

16.76

#13105B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#13105B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13105B

16.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13105B	#FFFFFF	#000000	##FFFFFF
##13105B	1.00	16.76	1.25	16.76
#FFFFFF	16.76	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215D

Deuteranopia (green-blind)

#001A5A

Tritanopia (blue-blind)

#002635

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #13105b;
/* rgb */ color: rgb(19, 16, 91);
/* oklch */ color: oklch(24.5% 0.127 273.6);

Tailwind

colors: {
  custom: {
    50: '#5f4f8a',
    500: '#13105b',
    950: '#000000',
  },
}

SCSS

$custom: #13105b;
$custom-light: #5f4f8a;
$custom-dark: #000000;

JSON

{
  "hex": "#13105b",
  "rgb": {
    "r": 19,
    "g": 16,
    "b": 91
  },
  "hsl": {
    "h": 242.4,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.24549,
    "c": 0.12666,
    "h": 273.6
  },
  "luminance": 0.01264
}

Semantic roles & 50–950 ramp

primary

#13105B

secondary

#909433

accent

#ED3BE6

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020C

muted

#7A787D

Preview Lab

Preview with #13105B

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

Preview Lab → · Contrast checker → · Palette generator →