#191666#191666

#191666 is a dark, vivid blue. Relative luminance 0.017; OKLCH L 27.2% C 0.133 H 274.5°. Best body text is #FFFFFF at 15.58:1 contrast (WCAG AA passes).

Color values

HEX	#191666
RGB	rgb(25, 22, 102)
HSL	hsl(242, 65%, 24%)
HSV	hsv(242, 78%, 40%)
CMYK	cmyk(75.5%, 78.4%, 0%, 60%)
CIE-LAB	lab(14.06, 29.95, -46.00)
CIE-LCH	lch(14.06, 54.89, 303.06°)
OKLab	oklab(27.19% 0.0106 -0.133)
OKLCH	oklch(27.19% 0.133 274.5)
XYZ	xyz(3.0853, 1.7395, 12.7410)
Luminance	0.0174 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191666 #636616

analogous

#163B66 #191666 #411666

triadic

#191666 #661916 #166619

tetradic

#191666 #66163B #636616 #166641

square

#191666 #66163B #636616 #166641

split-complementary

#191666 #664116 #3B6616

monochromatic

#060519 #0D0B34 #191666 #252198 #322CCB

Accessibility & contrast

On white

15.58

#191666 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#191666 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191666

15.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191666	#FFFFFF	#000000	##FFFFFF
##191666	1.00	15.58	1.35	15.58
#FFFFFF	15.58	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002768

Deuteranopia (green-blind)

#002065

Tritanopia (blue-blind)

#002D3D

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #191666;
/* rgb */ color: rgb(25, 22, 102);
/* oklch */ color: oklch(27.2% 0.133 274.5);

Tailwind

colors: {
  custom: {
    50: '#635493',
    500: '#191666',
    950: '#000000',
  },
}

SCSS

$custom: #191666;
$custom-light: #635493;
$custom-dark: #000000;

JSON

{
  "hex": "#191666",
  "rgb": {
    "r": 25,
    "g": 22,
    "b": 102
  },
  "hsl": {
    "h": 242.25,
    "s": 64.516,
    "l": 24.314
  },
  "oklch": {
    "l": 0.27194,
    "c": 0.13346,
    "h": 274.5
  },
  "luminance": 0.0174
}

Semantic roles & 50–950 ramp

primary

#191666

secondary

#999D3B

accent

#E840E1

background

#F6F4F9

surface

#EBE8F1

border

#C6C4CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #191666

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

Preview Lab → · Contrast checker → · Palette generator →