#191F6B#191F6B

#191F6B is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.3% C 0.130 H 271.8°. Best body text is #FFFFFF at 14.49:1 contrast (WCAG AA passes).

Color values

HEX#191F6B
RGBrgb(25, 31, 107)
HSLhsl(236, 62%, 26%)
HSVhsv(236, 77%, 42%)
CMYKcmyk(76.6%, 71%, 0%, 58%)
CIE-LABlab(16.74, 25.93, -44.87)
CIE-LCHlch(16.74, 51.82, 300.02°)
OKLaboklab(29.28% 0.0042 -0.1297)
OKLCHoklch(29.28% 0.13 271.8)
XYZxyz(3.5438, 2.2478, 14.1542)
Luminance0.0225 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#191F6B #6B6519
analogous
#19486B #191F6B #3C196B
triadic
#191F6B #6B191F #1F6B19
tetradic
#191F6B #6B1948 #6B6519 #196B3C
square
#191F6B #6B1948 #6B6519 #196B3C
split-complementary
#191F6B #6B3C19 #486B19
monochromatic
#060719 #0D1139 #191F6B #252D9D #303CCE

Accessibility & contrast

On white

14.49
#191F6B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.45
#191F6B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191F6B
14.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##191F6B#FFFFFF#000000##FFFFFF
##191F6B1.0014.491.4514.49
#FFFFFF14.491.0021.001.00
#0000001.4521.001.0021.00
##FFFFFF14.491.0021.001.00

Color blindness preview

Protanopia (red-blind)
#002D6D
Deuteranopia (green-blind)
#00256A
Tritanopia (blue-blind)
#003342
Achromatopsia (no color)
#292929

Design tokens & code

CSS
--color: #191f6b;
/* rgb */ color: rgb(25, 31, 107);
/* oklch */ color: oklch(29.3% 0.130 271.8);
Tailwind
colors: {
  custom: {
    50: '#645b96',
    500: '#191f6b',
    950: '#000000',
  },
}
SCSS
$custom: #191f6b;
$custom-light: #645b96;
$custom-dark: #000000;
JSON
{
  "hex": "#191f6b",
  "rgb": {
    "r": 25,
    "g": 31,
    "b": 107
  },
  "hsl": {
    "h": 235.61,
    "s": 62.121,
    "l": 25.882
  },
  "oklch": {
    "l": 0.29281,
    "c": 0.12982,
    "h": 271.8
  },
  "luminance": 0.02248
}

Semantic roles & 50–950 ramp

primary
#191F6B
secondary
#A1993F
accent
#D943E5
background
#F6F5F9
surface
#EBE9F2
border
#C6C5CC
text
#06040D
muted
#7A797E

Preview Lab

Preview with #191F6B

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

Preview Lab → · Contrast checker → · Palette generator →

#191F6B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva