#19178D#19178D

#19178D is a dark, vivid blue. Relative luminance 0.027; OKLCH L 32.0% C 0.182 H 270.4°. Best body text is #FFFFFF at 13.56:1 contrast (WCAG AA passes).

Color values

HEX	#19178D
RGB	rgb(25, 23, 141)
HSL	hsl(241, 72%, 32%)
HSV	hsv(241, 84%, 55%)
CMYK	cmyk(82.3%, 83.7%, 0%, 44.7%)
CIE-LAB	lab(18.98, 42.78, -62.86)
CIE-LCH	lch(18.98, 76.04, 304.24°)
OKLab	oklab(32.02% 0.0014 -0.182)
OKLCH	oklch(32.02% 0.182 270.4)
XYZ	xyz(5.5134, 2.7419, 25.4328)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#19178D #8B8D17

analogous

#17508D #19178D #54178D

triadic

#19178D #8D1917 #178D19

tetradic

#19178D #8D1750 #8B8D17 #178D54

square

#19178D #8D1750 #8B8D17 #178D54

split-complementary

#19178D #8D5417 #508D17

monochromatic

#060624 #100E58 #19178D #2220C2 #413FE0

Accessibility & contrast

On white

13.56

#19178D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#19178D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #19178D

13.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##19178D	#FFFFFF	#000000	##FFFFFF
##19178D	1.00	13.56	1.55	13.56
#FFFFFF	13.56	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003490

Deuteranopia (green-blind)

#00288B

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #19178d;
/* rgb */ color: rgb(25, 23, 141);
/* oklch */ color: oklch(32.0% 0.182 270.4);

Tailwind

colors: {
  custom: {
    50: '#6e58b0',
    500: '#19178d',
    950: '#000000',
  },
}

SCSS

$custom: #19178d;
$custom-light: #6e58b0;
$custom-dark: #000000;

JSON

{
  "hex": "#19178d",
  "rgb": {
    "r": 25,
    "g": 23,
    "b": 141
  },
  "hsl": {
    "h": 241.017,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.32023,
    "c": 0.18198,
    "h": 270.4
  },
  "luminance": 0.02743
}

Semantic roles & 50–950 ramp

primary

#19178D

secondary

#BEC040

accent

#EF39EC

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #19178D

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

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