#19399B#19399B

#19399B is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.0% C 0.164 H 265.3°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#19399B
RGB	rgb(25, 57, 155)
HSL	hsl(225, 72%, 35%)
HSV	hsv(225, 84%, 61%)
CMYK	cmyk(83.9%, 63.2%, 0%, 39.2%)
CIE-LAB	lab(28.11, 26.95, -56.44)
CIE-LCH	lch(28.11, 62.54, 295.52°)
OKLab	oklab(39.05% -0.0135 -0.1634)
OKLCH	oklch(39.05% 0.164 265.3)
XYZ	xyz(7.7783, 5.4985, 31.6554)
Luminance	0.0550 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#19399B #9B7B19

analogous

#197A9B #19399B #3A199B

triadic

#19399B #9B1939 #399B19

tetradic

#19399B #9B197A #9B7B19 #199B3A

square

#19399B #9B197A #9B7B19 #199B3A

split-complementary

#19399B #9B3A19 #7A9B19

monochromatic

#081232 #112666 #19399B #224CD0 #4C71E2

Accessibility & contrast

On white

10.00

#19399B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#19399B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #19399B

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##19399B	#FFFFFF	#000000	##FFFFFF
##19399B	1.00	10.00	2.10	10.00
#FFFFFF	10.00	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499E

Deuteranopia (green-blind)

#003C99

Tritanopia (blue-blind)

#005364

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #19399b;
/* rgb */ color: rgb(25, 57, 155);
/* oklch */ color: oklch(39.0% 0.164 265.3);

Tailwind

colors: {
  custom: {
    50: '#6f6fb9',
    500: '#19399b',
    950: '#000000',
  },
}

SCSS

$custom: #19399b;
$custom-light: #6f6fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#19399b",
  "rgb": {
    "r": 25,
    "g": 57,
    "b": 155
  },
  "hsl": {
    "h": 225.231,
    "s": 72.222,
    "l": 35.294
  },
  "oklch": {
    "l": 0.39045,
    "c": 0.16394,
    "h": 265.3
  },
  "luminance": 0.05499
}

Semantic roles & 50–950 ramp

primary

#19399B

secondary

#C4A64C

accent

#C239EF

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #19399B

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

Preview Lab → · Contrast checker → · Palette generator →