#19378F#19378F

#19378F is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.5% C 0.150 H 265.2°. Best body text is #FFFFFF at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#19378F
RGB	rgb(25, 55, 143)
HSL	hsl(225, 70%, 33%)
HSV	hsv(225, 83%, 56%)
CMYK	cmyk(82.5%, 61.5%, 0%, 43.9%)
CIE-LAB	lab(26.51, 23.55, -51.70)
CIE-LCH	lch(26.51, 56.81, 294.49°)
OKLab	oklab(37.53% -0.0125 -0.1495)
OKLCH	oklch(37.53% 0.15 265.2)
XYZ	xyz(6.7233, 4.9214, 26.5769)
Luminance	0.0492 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#19378F #8F7119

analogous

#19728F #19378F #36198F

triadic

#19378F #8F1937 #378F19

tetradic

#19378F #8F1972 #8F7119 #198F36

square

#19378F #8F1972 #8F7119 #198F36

split-complementary

#19378F #8F3619 #728F19

monochromatic

#070F27 #10235B #19378F #224BC3 #446BDE

Accessibility & contrast

On white

10.58

#19378F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#19378F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #19378F

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##19378F	#FFFFFF	#000000	##FFFFFF
##19378F	1.00	10.58	1.98	10.58
#FFFFFF	10.58	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004492

Deuteranopia (green-blind)

#00398D

Tritanopia (blue-blind)

#004E5D

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #19378f;
/* rgb */ color: rgb(25, 55, 143);
/* oklch */ color: oklch(37.5% 0.150 265.2);

Tailwind

colors: {
  custom: {
    50: '#6b6db1',
    500: '#19378f',
    950: '#000000',
  },
}

SCSS

$custom: #19378f;
$custom-light: #6b6db1;
$custom-dark: #000000;

JSON

{
  "hex": "#19378f",
  "rgb": {
    "r": 25,
    "g": 55,
    "b": 143
  },
  "hsl": {
    "h": 224.746,
    "s": 70.238,
    "l": 32.941
  },
  "oklch": {
    "l": 0.37525,
    "c": 0.15003,
    "h": 265.2
  },
  "luminance": 0.04922
}

Semantic roles & 50–950 ramp

primary

#19378F

secondary

#BFA044

accent

#C03BED

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #19378F

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

Preview Lab → · Contrast checker → · Palette generator →