#19178C#19178C

#19178C is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.9% C 0.181 H 270.5°. Best body text is #FFFFFF at 13.61:1 contrast (WCAG AA passes).

Color values

HEX	#19178C
RGB	rgb(25, 23, 140)
HSL	hsl(241, 72%, 32%)
HSV	hsv(241, 84%, 55%)
CMYK	cmyk(82.1%, 83.6%, 0%, 45.1%)
CIE-LAB	lab(18.85, 42.45, -62.45)
CIE-LCH	lch(18.85, 75.51, 304.21°)
OKLab	oklab(31.9% 0.0016 -0.1808)
OKLCH	oklch(31.9% 0.181 270.5)
XYZ	xyz(5.4393, 2.7123, 25.0427)
Luminance	0.0271 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#19178C #8A8C17

analogous

#174F8C #19178C #54178C

triadic

#19178C #8C1917 #178C19

tetradic

#19178C #8C174F #8A8C17 #178C54

square

#19178C #8C174F #8A8C17 #178C54

split-complementary

#19178C #8C5417 #4F8C17

monochromatic

#060623 #100E57 #19178C #2220C1 #413EDF

Accessibility & contrast

On white

13.61

#19178C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#19178C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #19178C

13.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##19178C	#FFFFFF	#000000	##FFFFFF
##19178C	1.00	13.61	1.54	13.61
#FFFFFF	13.61	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348F

Deuteranopia (green-blind)

#00288A

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #19178c;
/* rgb */ color: rgb(25, 23, 140);
/* oklch */ color: oklch(31.9% 0.181 270.5);

Tailwind

colors: {
  custom: {
    50: '#6e58af',
    500: '#19178c',
    950: '#000000',
  },
}

SCSS

$custom: #19178c;
$custom-light: #6e58af;
$custom-dark: #000000;

JSON

{
  "hex": "#19178c",
  "rgb": {
    "r": 25,
    "g": 23,
    "b": 140
  },
  "hsl": {
    "h": 241.026,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.31899,
    "c": 0.18078,
    "h": 270.5
  },
  "luminance": 0.02713
}

Semantic roles & 50–950 ramp

primary

#19178C

secondary

#BDBF3F

accent

#EF39EB

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090311

muted

#7B7880

Preview Lab

Preview with #19178C

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

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