#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
RGB	rgb(22, 99, 161)
HSL	hsl(207, 76%, 36%)
HSV	hsv(207, 86%, 63%)
CMYK	cmyk(86.3%, 38.5%, 0%, 36.9%)
CIE-LAB	lab(40.68, 0.99, -39.76)
CIE-LCH	lch(40.68, 39.77, 271.42°)
OKLab	oklab(48.79% -0.0446 -0.1135)
OKLCH	oklch(48.79% 0.122 248.6)
XYZ	xyz(11.2233, 11.6660, 35.3715)
Luminance	0.1167 (WCAG relative)
Temperature	cool
Family	cyan

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
##1663A1	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

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 →