#163D9E#163D9E

#163D9E is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.0% C 0.164 H 263.8°. Best body text is #FFFFFF at 9.57:1 contrast (WCAG AA passes).

Color values

HEX	#163D9E
RGB	rgb(22, 61, 158)
HSL	hsl(223, 76%, 35%)
HSV	hsv(223, 86%, 62%)
CMYK	cmyk(86.1%, 61.4%, 0%, 38%)
CIE-LAB	lab(29.35, 25.18, -56.24)
CIE-LCH	lch(29.35, 61.62, 294.12°)
OKLab	oklab(40.02% -0.0177 -0.1628)
OKLCH	oklch(40.02% 0.164 263.8)
XYZ	xyz(8.1690, 5.9757, 33.0640)
Luminance	0.0598 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163D9E #9E7716

analogous

#16819E #163D9E #33169E

triadic

#163D9E #9E163D #3D9E16

tetradic

#163D9E #9E1681 #9E7716 #169E33

square

#163D9E #9E1681 #9E7716 #169E33

split-complementary

#163D9E #9E3316 #819E16

monochromatic

#071433 #0F2868 #163D9E #1D52D4 #4976E6

Accessibility & contrast

On white

9.57

#163D9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#163D9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163D9E

9.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163D9E	#FFFFFF	#000000	##FFFFFF
##163D9E	1.00	9.57	2.20	9.57
#FFFFFF	9.57	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA1

Deuteranopia (green-blind)

#003F9C

Tritanopia (blue-blind)

#005667

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #163d9e;
/* rgb */ color: rgb(22, 61, 158);
/* oklch */ color: oklch(40.0% 0.164 263.8);

Tailwind

colors: {
  custom: {
    50: '#6e72bc',
    500: '#163d9e',
    950: '#000000',
  },
}

SCSS

$custom: #163d9e;
$custom-light: #6e72bc;
$custom-dark: #000000;

JSON

{
  "hex": "#163d9e",
  "rgb": {
    "r": 22,
    "g": 61,
    "b": 158
  },
  "hsl": {
    "h": 222.794,
    "s": 75.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.40024,
    "c": 0.16373,
    "h": 263.8
  },
  "luminance": 0.05977
}

Semantic roles & 50–950 ramp

primary

#163D9E

secondary

#C7A349

accent

#BC36F2

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #163D9E

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

Preview Lab → · Contrast checker → · Palette generator →