#19178F#19178F

#19178F is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.3% C 0.184 H 270.3°. Best body text is #FFFFFF at 13.46:1 contrast (WCAG AA passes).

Color values

HEX	#19178F
RGB	rgb(25, 23, 143)
HSL	hsl(241, 72%, 33%)
HSV	hsv(241, 84%, 56%)
CMYK	cmyk(82.5%, 83.9%, 0%, 43.9%)
CIE-LAB	lab(19.23, 43.43, -63.69)
CIE-LCH	lch(19.23, 77.08, 304.29°)
OKLab	oklab(32.27% 0.0009 -0.1844)
OKLCH	oklch(32.27% 0.184 270.3)
XYZ	xyz(5.6635, 2.8020, 26.2236)
Luminance	0.0280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#19178F #8D8F17

analogous

#17518F #19178F #55178F

triadic

#19178F #8F1917 #178F19

tetradic

#19178F #8F1751 #8D8F17 #178F55

square

#19178F #8F1751 #8D8F17 #178F55

split-complementary

#19178F #8F5517 #518F17

monochromatic

#070626 #100F5A #19178F #221FC4 #4340E0

Accessibility & contrast

On white

13.46

#19178F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#19178F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #19178F

13.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##19178F	#FFFFFF	#000000	##FFFFFF
##19178F	1.00	13.46	1.56	13.46
#FFFFFF	13.46	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003592

Deuteranopia (green-blind)

#00288D

Tritanopia (blue-blind)

#003E54

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #19178f;
/* rgb */ color: rgb(25, 23, 143);
/* oklch */ color: oklch(32.3% 0.184 270.3);

Tailwind

colors: {
  custom: {
    50: '#6f58b1',
    500: '#19178f',
    950: '#000000',
  },
}

SCSS

$custom: #19178f;
$custom-light: #6f58b1;
$custom-dark: #000000;

JSON

{
  "hex": "#19178f",
  "rgb": {
    "r": 25,
    "g": 23,
    "b": 143
  },
  "hsl": {
    "h": 241,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.32272,
    "c": 0.18436,
    "h": 270.3
  },
  "luminance": 0.02803
}

Semantic roles & 50–950 ramp

primary

#19178F

secondary

#BFC141

accent

#EF39EC

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #19178F

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

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