#19104B#19104B

#19104B is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.2% C 0.103 H 281.7°. Best body text is #FFFFFF at 17.26:1 contrast (WCAG AA passes).

Color values

HEX	#19104B
RGB	rgb(25, 16, 75)
HSL	hsl(249, 65%, 18%)
HSV	hsv(249, 79%, 29%)
CMYK	cmyk(66.7%, 78.7%, 0%, 70.6%)
CIE-LAB	lab(9.68, 23.94, -34.94)
CIE-LCH	lch(9.68, 42.36, 304.42°)
OKLab	oklab(23.18% 0.0209 -0.1007)
OKLCH	oklch(23.18% 0.103 281.7)
XYZ	xyz(1.8558, 1.0851, 6.7669)
Luminance	0.0109 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#19104B #424B10

analogous

#10244B #19104B #37104B

triadic

#19104B #4B1910 #104B19

tetradic

#19104B #4B1024 #424B10 #104B37

square

#19104B #4B1024 #424B10 #104B37

split-complementary

#19104B #4B3710 #244B10

monochromatic

#080519 #080519 #19104B #2A1B7D #3B26B0

Accessibility & contrast

On white

17.26

#19104B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#19104B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #19104B

17.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##19104B	#FFFFFF	#000000	##FFFFFF
##19104B	1.00	17.26	1.22	17.26
#FFFFFF	17.26	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D4D

Deuteranopia (green-blind)

#00194A

Tritanopia (blue-blind)

#00202C

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #19104b;
/* rgb */ color: rgb(25, 16, 75);
/* oklch */ color: oklch(23.2% 0.103 281.7);

Tailwind

colors: {
  custom: {
    50: '#5d4f7e',
    500: '#19104b',
    950: '#000000',
  },
}

SCSS

$custom: #19104b;
$custom-light: #5d4f7e;
$custom-dark: #000000;

JSON

{
  "hex": "#19104b",
  "rgb": {
    "r": 25,
    "g": 16,
    "b": 75
  },
  "hsl": {
    "h": 249.153,
    "s": 64.835,
    "l": 17.843
  },
  "oklch": {
    "l": 0.23177,
    "c": 0.10286,
    "h": 281.7
  },
  "luminance": 0.01085
}

Semantic roles & 50–950 ramp

primary

#19104B

secondary

#788532

accent

#E840CE

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#05020A

muted

#79787C

Preview Lab

Preview with #19104B

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

Preview Lab → · Contrast checker → · Palette generator →