#191A53#191A53

#191A53 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.9% C 0.101 H 275.9°. Best body text is #FFFFFF at 15.98:1 contrast (WCAG AA passes).

Color values

HEX	#191A53
RGB	rgb(25, 26, 83)
HSL	hsl(239, 54%, 21%)
HSV	hsv(239, 70%, 33%)
CMYK	cmyk(69.9%, 68.7%, 0%, 67.5%)
CIE-LAB	lab(13.05, 20.08, -34.93)
CIE-LCH	lch(13.05, 40.29, 299.89°)
OKLab	oklab(25.86% 0.0104 -0.1007)
OKLCH	oklch(25.86% 0.101 275.9)
XYZ	xyz(2.3311, 1.5698, 8.3621)
Luminance	0.0157 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191A53 #535219

analogous

#193753 #191A53 #351953

triadic

#191A53 #53191A #1A5319

tetradic

#191A53 #531937 #535219 #195335

square

#191A53 #531937 #535219 #195335

split-complementary

#191A53 #533519 #375319

monochromatic

#070718 #0B0B24 #191A53 #272982 #3537B1

Accessibility & contrast

On white

15.98

#191A53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#191A53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191A53

15.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191A53	#FFFFFF	#000000	##FFFFFF
##191A53	1.00	15.98	1.31	15.98
#FFFFFF	15.98	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	15.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002455

Deuteranopia (green-blind)

#001F52

Tritanopia (blue-blind)

#002833

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #191a53;
/* rgb */ color: rgb(25, 26, 83);
/* oklch */ color: oklch(25.9% 0.101 275.9);

Tailwind

colors: {
  custom: {
    50: '#5e5684',
    500: '#191a53',
    950: '#000000',
  },
}

SCSS

$custom: #191a53;
$custom-light: #5e5684;
$custom-dark: #000000;

JSON

{
  "hex": "#191a53",
  "rgb": {
    "r": 25,
    "g": 26,
    "b": 83
  },
  "hsl": {
    "h": 238.966,
    "s": 53.704,
    "l": 21.176
  },
  "oklch": {
    "l": 0.25859,
    "c": 0.10121,
    "h": 275.9
  },
  "luminance": 0.0157
}

Semantic roles & 50–950 ramp

primary

#191A53

secondary

#89883E

accent

#DB4BDD

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#05030B

muted

#79787C

Preview Lab

Preview with #191A53

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

Preview Lab → · Contrast checker → · Palette generator →