#191F53#191F53

#191F53 is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.9% C 0.094 H 273.3°. Best body text is #FFFFFF at 15.42:1 contrast (WCAG AA passes).

Color values

HEX#191F53
RGBrgb(25, 31, 83)
HSLhsl(234, 54%, 21%)
HSVhsv(234, 70%, 33%)
CMYKcmyk(69.9%, 62.7%, 0%, 67.5%)
CIE-LABlab(14.46, 16.43, -32.63)
CIE-LCHlch(14.46, 36.53, 296.73°)
OKLaboklab(26.91% 0.0055 -0.0938)
OKLCHoklch(26.91% 0.094 273.3)
XYZxyz(2.4517, 1.8110, 8.4023)
Luminance0.0181 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#191F53 #534D19
analogous
#193C53 #191F53 #301953
triadic
#191F53 #53191F #1F5319
tetradic
#191F53 #53193C #534D19 #195330
square
#191F53 #53193C #534D19 #195330
split-complementary
#191F53 #533019 #3C5319
monochromatic
#070918 #0B0D24 #191F53 #273182 #3542B1

Accessibility & contrast

On white

15.42
#191F53 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.36
#191F53 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191F53
15.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##191F53#FFFFFF#000000##FFFFFF
##191F531.0015.421.3615.42
#FFFFFF15.421.0021.001.00
#0000001.3621.001.0021.00
##FFFFFF15.421.0021.001.00

Color blindness preview

Protanopia (red-blind)
#002755
Deuteranopia (green-blind)
#002252
Tritanopia (blue-blind)
#002C35
Achromatopsia (no color)
#252525

Design tokens & code

CSS
--color: #191f53;
/* rgb */ color: rgb(25, 31, 83);
/* oklch */ color: oklch(26.9% 0.094 273.3);
Tailwind
colors: {
  custom: {
    50: '#5e5a84',
    500: '#191f53',
    950: '#000000',
  },
}
SCSS
$custom: #191f53;
$custom-light: #5e5a84;
$custom-dark: #000000;
JSON
{
  "hex": "#191f53",
  "rgb": {
    "r": 25,
    "g": 31,
    "b": 83
  },
  "hsl": {
    "h": 233.793,
    "s": 53.704,
    "l": 21.176
  },
  "oklch": {
    "l": 0.26905,
    "c": 0.09401,
    "h": 273.3
  },
  "luminance": 0.01811
}

Semantic roles & 50–950 ramp

primary
#191F53
secondary
#89823E
accent
#CE4BDD
background
#F5F5F8
surface
#E9E9EF
border
#C5C5CA
text
#05030B
muted
#79787C

Preview Lab

Preview with #191F53

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

Preview Lab → · Contrast checker → · Palette generator →

#191F53 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva