#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
RGBrgb(25, 22, 102)
HSLhsl(242, 65%, 24%)
HSVhsv(242, 78%, 40%)
CMYKcmyk(75.5%, 78.4%, 0%, 60%)
CIE-LABlab(14.06, 29.95, -46.00)
CIE-LCHlch(14.06, 54.89, 303.06°)
OKLaboklab(27.19% 0.0106 -0.133)
OKLCHoklch(27.19% 0.133 274.5)
XYZxyz(3.0853, 1.7395, 12.7410)
Luminance0.0174 (WCAG relative)
Temperaturecool
Familyblue

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
##1916661.0015.581.3515.58
#FFFFFF15.581.0021.001.00
#0000001.3521.001.0021.00
##FFFFFF15.581.0021.001.00

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 →

#191666 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva