#19104C#19104C

#19104C is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.3% C 0.104 H 281.4°. Best body text is #FFFFFF at 17.22:1 contrast (WCAG AA passes).

Color values

HEX	#19104C
RGB	rgb(25, 16, 76)
HSL	hsl(249, 65%, 18%)
HSV	hsv(249, 79%, 30%)
CMYK	cmyk(67.1%, 78.9%, 0%, 70.2%)
CIE-LAB	lab(9.79, 24.31, -35.46)
CIE-LCH	lch(9.79, 42.99, 304.43°)
OKLab	oklab(23.29% 0.0207 -0.1022)
OKLCH	oklch(23.29% 0.104 281.4)
XYZ	xyz(1.8903, 1.0989, 6.9486)
Luminance	0.0110 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#19104C #434C10

analogous

#10254C #19104C #37104C

triadic

#19104C #4C1910 #104C19

tetradic

#19104C #4C1025 #434C10 #104C37

square

#19104C #4C1025 #434C10 #104C37

split-complementary

#19104C #4C3710 #254C10

monochromatic

#080519 #080519 #19104C #2A1B7F #3A25B1

Accessibility & contrast

On white

17.22

#19104C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#19104C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #19104C

17.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##19104C	#FFFFFF	#000000	##FFFFFF
##19104C	1.00	17.22	1.22	17.22
#FFFFFF	17.22	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D4E

Deuteranopia (green-blind)

#00194B

Tritanopia (blue-blind)

#00202C

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #19104c;
/* rgb */ color: rgb(25, 16, 76);
/* oklch */ color: oklch(23.3% 0.104 281.4);

Tailwind

colors: {
  custom: {
    50: '#5d4f7f',
    500: '#19104c',
    950: '#000000',
  },
}

SCSS

$custom: #19104c;
$custom-light: #5d4f7f;
$custom-dark: #000000;

JSON

{
  "hex": "#19104c",
  "rgb": {
    "r": 25,
    "g": 16,
    "b": 76
  },
  "hsl": {
    "h": 249,
    "s": 65.217,
    "l": 18.039
  },
  "oklch": {
    "l": 0.23287,
    "c": 0.10429,
    "h": 281.4
  },
  "luminance": 0.01099
}

Semantic roles & 50–950 ramp

primary

#19104C

secondary

#798632

accent

#E840CF

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#05020A

muted

#79787C

Preview Lab

Preview with #19104C

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

Preview Lab → · Contrast checker → · Palette generator →