#191B68#191B68

#191B68 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.2% C 0.130 H 273.2°. Best body text is #FFFFFF at 15.02:1 contrast (WCAG AA passes).

Color values

HEX#191B68
RGBrgb(25, 27, 104)
HSLhsl(238, 61%, 25%)
HSVhsv(238, 76%, 41%)
CMYKcmyk(76%, 74%, 0%, 59.2%)
CIE-LABlab(15.43, 27.47, -45.05)
CIE-LCHlch(15.43, 52.77, 301.38°)
OKLaboklab(28.24% 0.0072 -0.1303)
OKLCHoklch(28.24% 0.13 273.2)
XYZxyz(3.2907, 1.9897, 13.3046)
Luminance0.0199 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#191B68 #686619
analogous
#194268 #191B68 #3E1968
triadic
#191B68 #68191B #1B6819
tetradic
#191B68 #681942 #686619 #19683E
square
#191B68 #681942 #686619 #19683E
split-complementary
#191B68 #683E19 #426819
monochromatic
#060619 #0D0E37 #191B68 #252899 #3135CB

Accessibility & contrast

On white

15.02
#191B68 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.40
#191B68 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191B68
15.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##191B68#FFFFFF#000000##FFFFFF
##191B681.0015.021.4015.02
#FFFFFF15.021.0021.001.00
#0000001.4021.001.0021.00
##FFFFFF15.021.0021.001.00

Color blindness preview

Protanopia (red-blind)
#002A6A
Deuteranopia (green-blind)
#002367
Tritanopia (blue-blind)
#00303F
Achromatopsia (no color)
#272727

Design tokens & code

CSS
--color: #191b68;
/* rgb */ color: rgb(25, 27, 104);
/* oklch */ color: oklch(28.2% 0.130 273.2);
Tailwind
colors: {
  custom: {
    50: '#635894',
    500: '#191b68',
    950: '#000000',
  },
}
SCSS
$custom: #191b68;
$custom-light: #635894;
$custom-dark: #000000;
JSON
{
  "hex": "#191b68",
  "rgb": {
    "r": 25,
    "g": 27,
    "b": 104
  },
  "hsl": {
    "h": 238.481,
    "s": 61.24,
    "l": 25.294
  },
  "oklch": {
    "l": 0.28243,
    "c": 0.13048,
    "h": 273.2
  },
  "luminance": 0.0199
}

Semantic roles & 50–950 ramp

primary
#191B68
secondary
#9E9B3F
accent
#E043E4
background
#F6F5F9
surface
#EBE9F1
border
#C6C5CB
text
#06030D
muted
#7A787E

Preview Lab

Preview with #191B68

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

Preview Lab → · Contrast checker → · Palette generator →

#191B68 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva