#191553#191553

#191553 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.9% C 0.108 H 278.0°. Best body text is #FFFFFF at 16.49:1 contrast (WCAG AA passes).

Color values

HEX	#191553
RGB	rgb(25, 21, 83)
HSL	hsl(244, 60%, 20%)
HSV	hsv(244, 75%, 33%)
CMYK	cmyk(69.9%, 74.7%, 0%, 67.5%)
CIE-LAB	lab(11.74, 23.57, -37.07)
CIE-LCH	lch(11.74, 43.93, 302.45°)
OKLab	oklab(24.91% 0.015 -0.107)
OKLCH	oklch(24.91% 0.108 278)
XYZ	xyz(2.2299, 1.3674, 8.3284)
Luminance	0.0137 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191553 #4F5315

analogous

#153053 #191553 #381553

triadic

#191553 #531915 #155319

tetradic

#191553 #531530 #4F5315 #155338

square

#191553 #531530 #4F5315 #155338

split-complementary

#191553 #533815 #305315

monochromatic

#070618 #0A0922 #191553 #282184 #362EB5

Accessibility & contrast

On white

16.49

#191553 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#191553 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191553

16.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191553	#FFFFFF	#000000	##FFFFFF
##191553	1.00	16.49	1.27	16.49
#FFFFFF	16.49	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002155

Deuteranopia (green-blind)

#001C52

Tritanopia (blue-blind)

#002632

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #191553;
/* rgb */ color: rgb(25, 21, 83);
/* oklch */ color: oklch(24.9% 0.108 278.0);

Tailwind

colors: {
  custom: {
    50: '#5f5384',
    500: '#191553',
    950: '#000000',
  },
}

SCSS

$custom: #191553;
$custom-light: #5f5384;
$custom-dark: #000000;

JSON

{
  "hex": "#191553",
  "rgb": {
    "r": 25,
    "g": 21,
    "b": 83
  },
  "hsl": {
    "h": 243.871,
    "s": 59.615,
    "l": 20.392
  },
  "oklch": {
    "l": 0.2491,
    "c": 0.108,
    "h": 278
  },
  "luminance": 0.01368
}

Semantic roles & 50–950 ramp

primary

#191553

secondary

#858B39

accent

#E345D9

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #191553

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

Preview Lab → · Contrast checker → · Palette generator →