#163181#163181

#163181 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 34.9% C 0.139 H 265.3°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#163181
RGB	rgb(22, 49, 129)
HSL	hsl(225, 71%, 30%)
HSV	hsv(225, 83%, 51%)
CMYK	cmyk(82.9%, 62%, 0%, 49.4%)
CIE-LAB	lab(23.51, 21.80, -47.88)
CIE-LCH	lch(23.51, 52.60, 294.48°)
OKLab	oklab(34.88% -0.0113 -0.1384)
OKLCH	oklch(34.88% 0.139 265.3)
XYZ	xyz(5.3902, 3.9515, 21.2433)
Luminance	0.0395 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163181 #816616

analogous

#166781 #163181 #311681

triadic

#163181 #811631 #318116

tetradic

#163181 #811667 #816616 #168131

square

#163181 #811667 #816616 #168131

split-complementary

#163181 #813116 #678116

monochromatic

#040A1A #0D1D4D #163181 #1F45B5 #355FDD

Accessibility & contrast

On white

11.73

#163181 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#163181 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163181

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163181	#FFFFFF	#000000	##FFFFFF
##163181	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D84

Deuteranopia (green-blind)

#00337F

Tritanopia (blue-blind)

#004554

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #163181;
/* rgb */ color: rgb(22, 49, 129);
/* oklch */ color: oklch(34.9% 0.139 265.3);

Tailwind

colors: {
  custom: {
    50: '#6768a6',
    500: '#163181',
    950: '#000000',
  },
}

SCSS

$custom: #163181;
$custom-light: #6768a6;
$custom-dark: #000000;

JSON

{
  "hex": "#163181",
  "rgb": {
    "r": 22,
    "g": 49,
    "b": 129
  },
  "hsl": {
    "h": 224.86,
    "s": 70.861,
    "l": 29.608
  },
  "oklch": {
    "l": 0.34875,
    "c": 0.1389,
    "h": 265.3
  },
  "luminance": 0.03952
}

Semantic roles & 50–950 ramp

primary

#163181

secondary

#B6973D

accent

#C03AEE

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #163181

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

Preview Lab → · Contrast checker → · Palette generator →