#191B65#191B65

#191B65 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.9% C 0.126 H 273.5°. Best body text is #FFFFFF at 15.15:1 contrast (WCAG AA passes).

Color values

HEX#191B65
RGBrgb(25, 27, 101)
HSLhsl(238, 60%, 25%)
HSVhsv(238, 75%, 40%)
CMYKcmyk(75.2%, 73.3%, 0%, 60.4%)
CIE-LABlab(15.11, 26.34, -43.60)
CIE-LCHlch(15.11, 50.94, 301.14°)
OKLaboklab(27.92% 0.0076 -0.126)
OKLCHoklch(27.92% 0.126 273.5)
XYZxyz(3.1410, 1.9298, 12.5164)
Luminance0.0193 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#191B65 #656319
analogous
#194165 #191B65 #3D1965
triadic
#191B65 #65191B #1B6519
tetradic
#191B65 #651941 #656319 #19653D
square
#191B65 #651941 #656319 #19653D
split-complementary
#191B65 #653D19 #416519
monochromatic
#060719 #0D0E34 #191B65 #252896 #3135C7

Accessibility & contrast

On white

15.15
#191B65 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.39
#191B65 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191B65
15.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##191B65#FFFFFF#000000##FFFFFF
##191B651.0015.151.3915.15
#FFFFFF15.151.0021.001.00
#0000001.3921.001.0021.00
##FFFFFF15.151.0021.001.00

Color blindness preview

Protanopia (red-blind)
#002967
Deuteranopia (green-blind)
#002264
Tritanopia (blue-blind)
#002F3D
Achromatopsia (no color)
#262626

Design tokens & code

CSS
--color: #191b65;
/* rgb */ color: rgb(25, 27, 101);
/* oklch */ color: oklch(27.9% 0.126 273.5);
Tailwind
colors: {
  custom: {
    50: '#635892',
    500: '#191b65',
    950: '#000000',
  },
}
SCSS
$custom: #191b65;
$custom-light: #635892;
$custom-dark: #000000;
JSON
{
  "hex": "#191b65",
  "rgb": {
    "r": 25,
    "g": 27,
    "b": 101
  },
  "hsl": {
    "h": 238.421,
    "s": 60.317,
    "l": 24.706
  },
  "oklch": {
    "l": 0.27918,
    "c": 0.12628,
    "h": 273.5
  },
  "luminance": 0.0193
}

Semantic roles & 50–950 ramp

primary
#191B65
secondary
#9B983F
accent
#DF44E3
background
#F6F5F9
surface
#EBE9F1
border
#C6C5CB
text
#06030D
muted
#7A787E

Preview Lab

Preview with #191B65

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

Preview Lab → · Contrast checker → · Palette generator →

#191B65 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva