#163DA1#163DA1

#163DA1 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.3% C 0.168 H 264.0°. Best body text is #FFFFFF at 9.48:1 contrast (WCAG AA passes).

Color values

HEX	#163DA1
RGB	rgb(22, 61, 161)
HSL	hsl(223, 76%, 36%)
HSV	hsv(223, 86%, 63%)
CMYK	cmyk(86.3%, 62.1%, 0%, 36.9%)
CIE-LAB	lab(29.61, 26.37, -57.63)
CIE-LCH	lch(29.61, 63.37, 294.59°)
OKLab	oklab(40.3% -0.0176 -0.1668)
OKLCH	oklch(40.3% 0.168 264)
XYZ	xyz(8.4303, 6.0802, 34.4406)
Luminance	0.0608 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163DA1 #A17A16

analogous

#1682A1 #163DA1 #3416A1

triadic

#163DA1 #A1163D #3DA116

tetradic

#163DA1 #A11682 #A17A16 #16A134

square

#163DA1 #A11682 #A17A16 #16A134

split-complementary

#163DA1 #A13416 #82A116

monochromatic

#071435 #0F296B #163DA1 #1D51D7 #4B77E6

Accessibility & contrast

On white

9.48

#163DA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#163DA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163DA1

9.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163DA1	#FFFFFF	#000000	##FFFFFF
##163DA1	1.00	9.48	2.22	9.48
#FFFFFF	9.48	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA4

Deuteranopia (green-blind)

#00409F

Tritanopia (blue-blind)

#005769

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #163da1;
/* rgb */ color: rgb(22, 61, 161);
/* oklch */ color: oklch(40.3% 0.168 264.0);

Tailwind

colors: {
  custom: {
    50: '#6f72be',
    500: '#163da1',
    950: '#000000',
  },
}

SCSS

$custom: #163da1;
$custom-light: #6f72be;
$custom-dark: #000000;

JSON

{
  "hex": "#163da1",
  "rgb": {
    "r": 22,
    "g": 61,
    "b": 161
  },
  "hsl": {
    "h": 223.165,
    "s": 75.956,
    "l": 35.882
  },
  "oklch": {
    "l": 0.40301,
    "c": 0.16775,
    "h": 264
  },
  "luminance": 0.06081
}

Semantic roles & 50–950 ramp

primary

#163DA1

secondary

#C8A54B

accent

#BD35F3

background

#F7F6FB

surface

#EDECF7

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #163DA1

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

Preview Lab → · Contrast checker → · Palette generator →