#19105B#19105B

#19105B is a dark, vivid blue. Relative luminance 0.013; OKLCH L 25.0% C 0.125 H 277.7°. Best body text is #FFFFFF at 16.58:1 contrast (WCAG AA passes).

Color values

HEX	#19105B
RGB	rgb(25, 16, 91)
HSL	hsl(247, 70%, 21%)
HSV	hsv(247, 82%, 36%)
CMYK	cmyk(72.5%, 82.4%, 0%, 64.3%)
CIE-LAB	lab(11.50, 29.64, -42.89)
CIE-LCH	lch(11.50, 52.14, 304.65°)
OKLab	oklab(25.01% 0.0168 -0.1239)
OKLCH	oklch(25.01% 0.125 277.7)
XYZ	xyz(2.4739, 1.3324, 10.0223)
Luminance	0.0133 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#19105B #525B10

analogous

#102C5B #19105B #3E105B

triadic

#19105B #5B1910 #105B19

tetradic

#19105B #5B102C #525B10 #105B3E

square

#19105B #5B102C #525B10 #105B3E

split-complementary

#19105B #5B3E10 #2C5B10

monochromatic

#07051A #0B0727 #19105B #27198F #3622C3

Accessibility & contrast

On white

16.58

#19105B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#19105B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #19105B

16.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##19105B	#FFFFFF	#000000	##FFFFFF
##19105B	1.00	16.58	1.27	16.58
#FFFFFF	16.58	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215D

Deuteranopia (green-blind)

#001B5A

Tritanopia (blue-blind)

#002635

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #19105b;
/* rgb */ color: rgb(25, 16, 91);
/* oklch */ color: oklch(25.0% 0.125 277.7);

Tailwind

colors: {
  custom: {
    50: '#61508a',
    500: '#19105b',
    950: '#000000',
  },
}

SCSS

$custom: #19105b;
$custom-light: #61508a;
$custom-dark: #000000;

JSON

{
  "hex": "#19105b",
  "rgb": {
    "r": 25,
    "g": 16,
    "b": 91
  },
  "hsl": {
    "h": 247.2,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.25009,
    "c": 0.12504,
    "h": 277.7
  },
  "luminance": 0.01333
}

Semantic roles & 50–950 ramp

primary

#19105B

secondary

#889433

accent

#ED3BD8

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #19105B

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

Preview Lab → · Contrast checker → · Palette generator →