#19178E#19178E

#19178E is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.1% C 0.183 H 270.4°. Best body text is #FFFFFF at 13.51:1 contrast (WCAG AA passes).

Color values

HEX	#19178E
RGB	rgb(25, 23, 142)
HSL	hsl(241, 72%, 32%)
HSV	hsv(241, 84%, 56%)
CMYK	cmyk(82.4%, 83.8%, 0%, 44.3%)
CIE-LAB	lab(19.11, 43.10, -63.28)
CIE-LCH	lch(19.11, 76.56, 304.26°)
OKLab	oklab(32.15% 0.0011 -0.1832)
OKLCH	oklch(32.15% 0.183 270.4)
XYZ	xyz(5.5881, 2.7718, 25.8264)
Luminance	0.0277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#19178E #8C8E17

analogous

#17518E #19178E #54178E

triadic

#19178E #8E1917 #178E19

tetradic

#19178E #8E1751 #8C8E17 #178E54

square

#19178E #8E1751 #8C8E17 #178E54

split-complementary

#19178E #8E5417 #518E17

monochromatic

#060625 #100E59 #19178E #2220C3 #423FE0

Accessibility & contrast

On white

13.51

#19178E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#19178E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #19178E

13.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##19178E	#FFFFFF	#000000	##FFFFFF
##19178E	1.00	13.51	1.55	13.51
#FFFFFF	13.51	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003491

Deuteranopia (green-blind)

#00288C

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #19178e;
/* rgb */ color: rgb(25, 23, 142);
/* oklch */ color: oklch(32.1% 0.183 270.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#19178e",
  "rgb": {
    "r": 25,
    "g": 23,
    "b": 142
  },
  "hsl": {
    "h": 241.008,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.32147,
    "c": 0.18317,
    "h": 270.4
  },
  "luminance": 0.02772
}

Semantic roles & 50–950 ramp

primary

#19178E

secondary

#BEC040

accent

#EF39EC

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #19178E

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

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