#19177B#19177B

#19177B is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.8% C 0.160 H 272.0°. Best body text is #FFFFFF at 14.48:1 contrast (WCAG AA passes).

Color values

HEX	#19177B
RGB	rgb(25, 23, 123)
HSL	hsl(241, 68%, 29%)
HSV	hsv(241, 81%, 48%)
CMYK	cmyk(79.7%, 81.3%, 0%, 51.8%)
CIE-LAB	lab(16.74, 36.76, -55.20)
CIE-LCH	lch(16.74, 66.32, 303.67°)
OKLab	oklab(29.82% 0.0055 -0.1598)
OKLCH	oklch(29.82% 0.16 272)
XYZ	xyz(4.2812, 2.2491, 18.9435)
Luminance	0.0225 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#19177B #797B17

analogous

#17477B #19177B #4B177B

triadic

#19177B #7B1917 #177B19

tetradic

#19177B #7B1747 #797B17 #177B4B

square

#19177B #7B1747 #797B17 #177B4B

split-complementary

#19177B #7B4B17 #477B17

monochromatic

#05051A #0F0D47 #19177B #2321AF #3733D9

Accessibility & contrast

On white

14.48

#19177B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#19177B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #19177B

14.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##19177B	#FFFFFF	#000000	##FFFFFF
##19177B	1.00	14.48	1.45	14.48
#FFFFFF	14.48	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E7E

Deuteranopia (green-blind)

#002479

Tritanopia (blue-blind)

#003649

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #19177b;
/* rgb */ color: rgb(25, 23, 123);
/* oklch */ color: oklch(29.8% 0.160 272.0);

Tailwind

colors: {
  custom: {
    50: '#6956a2',
    500: '#19177b',
    950: '#000000',
  },
}

SCSS

$custom: #19177b;
$custom-light: #6956a2;
$custom-dark: #000000;

JSON

{
  "hex": "#19177b",
  "rgb": {
    "r": 25,
    "g": 23,
    "b": 123
  },
  "hsl": {
    "h": 241.2,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.29818,
    "c": 0.15986,
    "h": 272
  },
  "luminance": 0.0225
}

Semantic roles & 50–950 ramp

primary

#19177B

secondary

#AEB03E

accent

#EB3CE8

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #19177B

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

Preview Lab → · Contrast checker → · Palette generator →