#19188B#19188B

#19188B is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.9% C 0.179 H 270.5°. Best body text is #FFFFFF at 13.59:1 contrast (WCAG AA passes).

Color values

HEX	#19188B
RGB	rgb(25, 24, 139)
HSL	hsl(241, 71%, 32%)
HSV	hsv(241, 83%, 55%)
CMYK	cmyk(82%, 82.7%, 0%, 45.5%)
CIE-LAB	lab(18.90, 41.62, -61.74)
CIE-LCH	lch(18.90, 74.46, 303.98°)
OKLab	oklab(31.9% 0.0016 -0.1787)
OKLCH	oklch(31.9% 0.179 270.5)
XYZ	xyz(5.3862, 2.7234, 24.6629)
Luminance	0.0272 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#19188B #8A8B18

analogous

#18518B #19188B #53188B

triadic

#19188B #8B1918 #188B19

tetradic

#19188B #8B1851 #8A8B18 #188B53

square

#19188B #8B1851 #8A8B18 #188B53

split-complementary

#19188B #8B5318 #518B18

monochromatic

#060623 #100F57 #19188B #2221BF #413FDE

Accessibility & contrast

On white

13.59

#19188B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#19188B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #19188B

13.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##19188B	#FFFFFF	#000000	##FFFFFF
##19188B	1.00	13.59	1.54	13.59
#FFFFFF	13.59	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348E

Deuteranopia (green-blind)

#002889

Tritanopia (blue-blind)

#003C52

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #19188b;
/* rgb */ color: rgb(25, 24, 139);
/* oklch */ color: oklch(31.9% 0.179 270.5);

Tailwind

colors: {
  custom: {
    50: '#6d58ae',
    500: '#19188b',
    950: '#000000',
  },
}

SCSS

$custom: #19188b;
$custom-light: #6d58ae;
$custom-dark: #000000;

JSON

{
  "hex": "#19188b",
  "rgb": {
    "r": 25,
    "g": 24,
    "b": 139
  },
  "hsl": {
    "h": 240.522,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.31896,
    "c": 0.17876,
    "h": 270.5
  },
  "luminance": 0.02724
}

Semantic roles & 50–950 ramp

primary

#19188B

secondary

#BDBE40

accent

#ED3AEC

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090310

muted

#7B787F

Preview Lab

Preview with #19188B

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

Preview Lab → · Contrast checker → · Palette generator →