#163B8E#163B8E

#163B8E is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.2% C 0.144 H 263.1°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX#163B8E
RGBrgb(22, 59, 142)
HSLhsl(222, 73%, 32%)
HSVhsv(222, 85%, 56%)
CMYKcmyk(84.5%, 58.5%, 0%, 44.3%)
CIE-LABlab(27.44, 20.09, -49.57)
CIE-LCHlch(27.44, 53.49, 292.06°)
OKLaboklab(38.17% -0.0172 -0.1432)
OKLCHoklch(38.17% 0.144 263.1)
XYZxyz(6.7756, 5.2507, 26.2423)
Luminance0.0525 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#163B8E #8E6916
analogous
#16778E #163B8E #2D168E
triadic
#163B8E #8E163B #3B8E16
tetradic
#163B8E #8E1677 #8E6916 #168E2D
square
#163B8E #8E1677 #8E6916 #168E2D
split-complementary
#163B8E #8E2D16 #778E16
monochromatic
#060F24 #0E2559 #163B8E #1E51C3 #3D70E1

Accessibility & contrast

On white

10.24
#163B8E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.05
#163B8E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163B8E
10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##163B8E#FFFFFF#000000##FFFFFF
##163B8E1.0010.242.0510.24
#FFFFFF10.241.0021.001.00
#0000002.0521.001.0021.00
##FFFFFF10.241.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004791
Deuteranopia (green-blind)
#003C8C
Tritanopia (blue-blind)
#00505E
Achromatopsia (no color)
#414141

Design tokens & code

CSS
--color: #163b8e;
/* rgb */ color: rgb(22, 59, 142);
/* oklch */ color: oklch(38.2% 0.144 263.1);
Tailwind
colors: {
  custom: {
    50: '#6a70b0',
    500: '#163b8e',
    950: '#000000',
  },
}
SCSS
$custom: #163b8e;
$custom-light: #6a70b0;
$custom-dark: #000000;
JSON
{
  "hex": "#163b8e",
  "rgb": {
    "r": 22,
    "g": 59,
    "b": 142
  },
  "hsl": {
    "h": 221.5,
    "s": 73.171,
    "l": 32.157
  },
  "oklch": {
    "l": 0.38165,
    "c": 0.14428,
    "h": 263.1
  },
  "luminance": 0.05251
}

Semantic roles & 50–950 ramp

primary
#163B8E
secondary
#C1993F
accent
#B738F0
background
#F6F6FA
surface
#ECECF5
border
#C7C7CF
text
#080710
muted
#7A7A7F

Preview Lab

Preview with #163B8E

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

Preview Lab → · Contrast checker → · Palette generator →

#163B8E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva