#191F66#191F66

#191F66 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.8% C 0.123 H 272.2°. Best body text is #FFFFFF at 14.69:1 contrast (WCAG AA passes).

Color values

HEX	#191F66
RGB	rgb(25, 31, 102)
HSL	hsl(235, 61%, 25%)
HSV	hsv(235, 75%, 40%)
CMYK	cmyk(75.5%, 69.6%, 0%, 60%)
CIE-LAB	lab(16.23, 23.99, -42.42)
CIE-LCH	lch(16.23, 48.73, 299.49°)
OKLab	oklab(28.76% 0.0047 -0.1226)
OKLCH	oklch(28.76% 0.123 272.2)
XYZ	xyz(3.2884, 2.1456, 12.8086)
Luminance	0.0215 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191F66 #666019

analogous

#194566 #191F66 #3A1966

triadic

#191F66 #66191F #1F6619

tetradic

#191F66 #661945 #666019 #19663A

square

#191F66 #661945 #666019 #19663A

split-complementary

#191F66 #663A19 #456619

monochromatic

#060719 #0D1035 #191F66 #252E97 #313DC8

Accessibility & contrast

On white

14.69

#191F66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#191F66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191F66

14.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191F66	#FFFFFF	#000000	##FFFFFF
##191F66	1.00	14.69	1.43	14.69
#FFFFFF	14.69	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C68

Deuteranopia (green-blind)

#002565

Tritanopia (blue-blind)

#00323F

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #191f66;
/* rgb */ color: rgb(25, 31, 102);
/* oklch */ color: oklch(28.8% 0.123 272.2);

Tailwind

colors: {
  custom: {
    50: '#625a92',
    500: '#191f66',
    950: '#000000',
  },
}

SCSS

$custom: #191f66;
$custom-light: #625a92;
$custom-dark: #000000;

JSON

{
  "hex": "#191f66",
  "rgb": {
    "r": 25,
    "g": 31,
    "b": 102
  },
  "hsl": {
    "h": 235.325,
    "s": 60.63,
    "l": 24.902
  },
  "oklch": {
    "l": 0.2876,
    "c": 0.12268,
    "h": 272.2
  },
  "luminance": 0.02146
}

Semantic roles & 50–950 ramp

primary

#191F66

secondary

#9C953F

accent

#D744E4

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06040D

muted

#7A797E

Preview Lab

Preview with #191F66

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

Preview Lab → · Contrast checker → · Palette generator →