#163B9E#163B9E

#163B9E is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.6% C 0.166 H 264.3°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#163B9E
RGB	rgb(22, 59, 158)
HSL	hsl(224, 76%, 35%)
HSV	hsv(224, 86%, 62%)
CMYK	cmyk(86.1%, 62.7%, 0%, 38%)
CIE-LAB	lab(28.81, 26.54, -57.12)
CIE-LCH	lch(28.81, 62.98, 294.92°)
OKLab	oklab(39.62% -0.0166 -0.1654)
OKLCH	oklch(39.62% 0.166 264.3)
XYZ	xyz(8.0642, 5.7661, 33.0291)
Luminance	0.0577 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163B9E #9E7916

analogous

#167F9E #163B9E #35169E

triadic

#163B9E #9E163B #3B9E16

tetradic

#163B9E #9E167F #9E7916 #169E35

square

#163B9E #9E167F #9E7916 #169E35

split-complementary

#163B9E #9E3516 #7F9E16

monochromatic

#071333 #0F2768 #163B9E #1D4FD4 #4973E6

Accessibility & contrast

On white

9.75

#163B9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#163B9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163B9E

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163B9E	#FFFFFF	#000000	##FFFFFF
##163B9E	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA1

Deuteranopia (green-blind)

#003E9C

Tritanopia (blue-blind)

#005566

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #163b9e;
/* rgb */ color: rgb(22, 59, 158);
/* oklch */ color: oklch(39.6% 0.166 264.3);

Tailwind

colors: {
  custom: {
    50: '#6e70bc',
    500: '#163b9e',
    950: '#000000',
  },
}

SCSS

$custom: #163b9e;
$custom-light: #6e70bc;
$custom-dark: #000000;

JSON

{
  "hex": "#163b9e",
  "rgb": {
    "r": 22,
    "g": 59,
    "b": 158
  },
  "hsl": {
    "h": 223.676,
    "s": 75.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.39624,
    "c": 0.1662,
    "h": 264.3
  },
  "luminance": 0.05767
}

Semantic roles & 50–950 ramp

primary

#163B9E

secondary

#C7A549

accent

#BF36F2

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #163B9E

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

Preview Lab → · Contrast checker → · Palette generator →