#1663A1#1663A1

#1663A1 is a mid, vivid cyan. Relative luminance 0.117; OKLCH L 48.8% C 0.122 H 248.6°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX#1663A1
RGBrgb(22, 99, 161)
HSLhsl(207, 76%, 36%)
HSVhsv(207, 86%, 63%)
CMYKcmyk(86.3%, 38.5%, 0%, 36.9%)
CIE-LABlab(40.68, 0.99, -39.76)
CIE-LCHlch(40.68, 39.77, 271.42°)
OKLaboklab(48.79% -0.0446 -0.1135)
OKLCHoklch(48.79% 0.122 248.6)
XYZxyz(11.2233, 11.6660, 35.3715)
Luminance0.1167 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1663A1 #A15416
analogous
#16A199 #1663A1 #161DA1
triadic
#1663A1 #A11663 #63A116
tetradic
#1663A1 #9916A1 #A15416 #1DA116
square
#1663A1 #9916A1 #A15416 #1DA116
split-complementary
#1663A1 #A1161D #A19916
monochromatic
#072135 #0F426B #1663A1 #1D84D7 #4BA1E6

Accessibility & contrast

On white

6.30
#1663A1 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.33
#1663A1 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1663A1
6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1663A1#FFFFFF#000000##FFFFFF
##1663A11.006.303.336.30
#FFFFFF6.301.0021.001.00
#0000003.3321.001.0021.00
##FFFFFF6.301.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4567A4
Deuteranopia (green-blind)
#305AA0
Tritanopia (blue-blind)
#00727A
Achromatopsia (no color)
#606060

Design tokens & code

CSS
--color: #1663a1;
/* rgb */ color: rgb(22, 99, 161);
/* oklch */ color: oklch(48.8% 0.122 248.6);
Tailwind
colors: {
  custom: {
    50: '#6e8fbd',
    500: '#1663a1',
    950: '#000000',
  },
}
SCSS
$custom: #1663a1;
$custom-light: #6e8fbd;
$custom-dark: #000000;
JSON
{
  "hex": "#1663a1",
  "rgb": {
    "r": 22,
    "g": 99,
    "b": 161
  },
  "hsl": {
    "h": 206.763,
    "s": 75.956,
    "l": 35.882
  },
  "oklch": {
    "l": 0.48792,
    "c": 0.12199,
    "h": 248.6
  },
  "luminance": 0.11667
}

Semantic roles & 50–950 ramp

primary
#1663A1
secondary
#C8834B
accent
#8A35F3
background
#F7F8FB
surface
#EDF0F6
border
#C8CBD0
text
#080C12
muted
#7B7D81

Preview Lab

Preview with #1663A1

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

Preview Lab → · Contrast checker → · Palette generator →

#1663A1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva