#191579#191579

#191579 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.3% C 0.159 H 272.4°. Best body text is #FFFFFF at 14.74:1 contrast (WCAG AA passes).

Color values

HEX	#191579
RGB	rgb(25, 21, 121)
HSL	hsl(242, 70%, 28%)
HSV	hsv(242, 83%, 47%)
CMYK	cmyk(79.3%, 82.6%, 0%, 52.5%)
CIE-LAB	lab(16.12, 37.18, -54.95)
CIE-LCH	lch(16.12, 66.35, 304.08°)
OKLab	oklab(29.31% 0.0066 -0.159)
OKLCH	oklch(29.31% 0.159 272.4)
XYZ	xyz(4.1191, 2.1230, 18.2782)
Luminance	0.0212 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191579 #757915

analogous

#154379 #191579 #4B1579

triadic

#191579 #791915 #157919

tetradic

#191579 #791543 #757915 #15794B

square

#191579 #791543 #757915 #15794B

split-complementary

#191579 #794B15 #437915

monochromatic

#05051A #0E0C45 #191579 #241EAD #352EDB

Accessibility & contrast

On white

14.74

#191579 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#191579 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191579

14.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191579	#FFFFFF	#000000	##FFFFFF
##191579	1.00	14.74	1.42	14.74
#FFFFFF	14.74	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D7C

Deuteranopia (green-blind)

#002377

Tritanopia (blue-blind)

#003447

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #191579;
/* rgb */ color: rgb(25, 21, 121);
/* oklch */ color: oklch(29.3% 0.159 272.4);

Tailwind

colors: {
  custom: {
    50: '#6955a1',
    500: '#191579',
    950: '#000000',
  },
}

SCSS

$custom: #191579;
$custom-light: #6955a1;
$custom-dark: #000000;

JSON

{
  "hex": "#191579",
  "rgb": {
    "r": 25,
    "g": 21,
    "b": 121
  },
  "hsl": {
    "h": 242.4,
    "s": 70.423,
    "l": 27.843
  },
  "oklch": {
    "l": 0.29311,
    "c": 0.15916,
    "h": 272.4
  },
  "luminance": 0.02123
}

Semantic roles & 50–950 ramp

primary

#191579

secondary

#AAAF3B

accent

#ED3BE6

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07030F

muted

#7A787F

Preview Lab

Preview with #191579

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

Preview Lab → · Contrast checker → · Palette generator →