#191657#191657

#191657 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.5% C 0.113 H 276.9°. Best body text is #FFFFFF at 16.23:1 contrast (WCAG AA passes).

Color values

HEX#191657
RGBrgb(25, 22, 87)
HSLhsl(243, 60%, 21%)
HSVhsv(243, 75%, 34%)
CMYKcmyk(71.3%, 74.7%, 0%, 65.9%)
CIE-LABlab(12.41, 24.40, -38.70)
CIE-LCHlch(12.41, 45.75, 302.24°)
OKLaboklab(25.52% 0.0135 -0.1117)
OKLCHoklch(25.52% 0.113 276.9)
XYZxyz(2.4076, 1.4684, 9.1715)
Luminance0.0147 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#191657 #545716
analogous
#163457 #191657 #3A1657
triadic
#191657 #571916 #165719
tetradic
#191657 #571634 #545716 #16573A
square
#191657 #571634 #545716 #16573A
split-complementary
#191657 #573A16 #345716
monochromatic
#070618 #0B0A26 #191657 #272288 #352FB9

Accessibility & contrast

On white

16.23
#191657 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.29
#191657 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191657
16.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##191657#FFFFFF#000000##FFFFFF
##1916571.0016.231.2916.23
#FFFFFF16.231.0021.001.00
#0000001.2921.001.0021.00
##FFFFFF16.231.0021.001.00

Color blindness preview

Protanopia (red-blind)
#002359
Deuteranopia (green-blind)
#001E56
Tritanopia (blue-blind)
#002834
Achromatopsia (no color)
#202020

Design tokens & code

CSS
--color: #191657;
/* rgb */ color: rgb(25, 22, 87);
/* oklch */ color: oklch(25.5% 0.113 276.9);
Tailwind
colors: {
  custom: {
    50: '#5f5487',
    500: '#191657',
    950: '#000000',
  },
}
SCSS
$custom: #191657;
$custom-light: #5f5487;
$custom-dark: #000000;
JSON
{
  "hex": "#191657",
  "rgb": {
    "r": 25,
    "g": 22,
    "b": 87
  },
  "hsl": {
    "h": 242.769,
    "s": 59.633,
    "l": 21.373
  },
  "oklch": {
    "l": 0.25518,
    "c": 0.11252,
    "h": 276.9
  },
  "luminance": 0.01469
}

Semantic roles & 50–950 ramp

primary
#191657
secondary
#8A8E3A
accent
#E345DC
background
#F5F4F8
surface
#EAE7EF
border
#C6C3CA
text
#05020B
muted
#79787C

Preview Lab

Preview with #191657

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

Preview Lab → · Contrast checker → · Palette generator →

#191657 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva