#163B8D#163B8D

#163B8D is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.1% C 0.143 H 263.1°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX#163B8D
RGBrgb(22, 59, 141)
HSLhsl(221, 73%, 32%)
HSVhsv(221, 84%, 55%)
CMYKcmyk(84.4%, 58.2%, 0%, 44.7%)
CIE-LABlab(27.35, 19.68, -49.09)
CIE-LCHlch(27.35, 52.89, 291.85°)
OKLaboklab(38.08% -0.0173 -0.1418)
OKLCHoklch(38.08% 0.143 263.1)
XYZxyz(6.7008, 5.2208, 25.8487)
Luminance0.0522 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#163B8D #8D6816
analogous
#16768D #163B8D #2D168D
triadic
#163B8D #8D163B #3B8D16
tetradic
#163B8D #8D1676 #8D6816 #168D2D
square
#163B8D #8D1676 #8D6816 #168D2D
split-complementary
#163B8D #8D2D16 #768D16
monochromatic
#050F23 #0E2558 #163B8D #1E51C2 #3D70E1

Accessibility & contrast

On white

10.27
#163B8D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.04
#163B8D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163B8D
10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##163B8D#FFFFFF#000000##FFFFFF
##163B8D1.0010.272.0410.27
#FFFFFF10.271.0021.001.00
#0000002.0421.001.0021.00
##FFFFFF10.271.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004690
Deuteranopia (green-blind)
#003B8B
Tritanopia (blue-blind)
#00505E
Achromatopsia (no color)
#414141

Design tokens & code

CSS
--color: #163b8d;
/* rgb */ color: rgb(22, 59, 141);
/* oklch */ color: oklch(38.1% 0.143 263.1);
Tailwind
colors: {
  custom: {
    50: '#6a70af',
    500: '#163b8d',
    950: '#000000',
  },
}
SCSS
$custom: #163b8d;
$custom-light: #6a70af;
$custom-dark: #000000;
JSON
{
  "hex": "#163b8d",
  "rgb": {
    "r": 22,
    "g": 59,
    "b": 141
  },
  "hsl": {
    "h": 221.345,
    "s": 73.006,
    "l": 31.961
  },
  "oklch": {
    "l": 0.38077,
    "c": 0.14288,
    "h": 263.1
  },
  "luminance": 0.05222
}

Semantic roles & 50–950 ramp

primary
#163B8D
secondary
#C1983E
accent
#B738F0
background
#F6F6FA
surface
#ECECF5
border
#C7C7CF
text
#080710
muted
#7A7A7F

Preview Lab

Preview with #163B8D

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

Preview Lab → · Contrast checker → · Palette generator →

#163B8D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva