#4166AD#4166AD

#4166AD is a mid, vivid blue. Relative luminance 0.136; OKLCH L 51.8% C 0.120 H 262.2°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#4166AD
RGB	rgb(65, 102, 173)
HSL	hsl(219, 45%, 47%)
HSV	hsv(219, 62%, 68%)
CMYK	cmyk(62.4%, 41%, 0%, 32.2%)
CIE-LAB	lab(43.72, 9.59, -41.93)
CIE-LCH	lch(43.72, 43.01, 282.89°)
OKLab	oklab(51.79% -0.0163 -0.1193)
OKLCH	oklch(51.79% 0.12 262.2)
XYZ	xyz(14.4715, 13.6424, 41.3977)
Luminance	0.1364 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4166AD #AD8841

analogous

#419CAD #4166AD #5241AD

triadic

#4166AD #AD4166 #66AD41

tetradic

#4166AD #AD419C #AD8841 #41AD52

square

#4166AD #AD419C #AD8841 #41AD52

split-complementary

#4166AD #AD5241 #9CAD41

monochromatic

#203254 #304C81 #4166AD #6687C5 #92AAD6

Accessibility & contrast

On white

5.63

#4166AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#4166AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4166AD

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4166AD	#FFFFFF	#000000	##FFFFFF
##4166AD	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#476DB0

Deuteranopia (green-blind)

#3763AC

Tritanopia (blue-blind)

#007681

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #4166ad;
/* rgb */ color: rgb(65, 102, 173);
/* oklch */ color: oklch(51.8% 0.120 262.2);

Tailwind

colors: {
  custom: {
    50: '#8091c6',
    500: '#4166ad',
    950: '#000000',
  },
}

SCSS

$custom: #4166ad;
$custom-light: #8091c6;
$custom-dark: #000000;

JSON

{
  "hex": "#4166ad",
  "rgb": {
    "r": 65,
    "g": 102,
    "b": 173
  },
  "hsl": {
    "h": 219.444,
    "s": 45.378,
    "l": 46.667
  },
  "oklch": {
    "l": 0.51786,
    "c": 0.12042,
    "h": 262.2
  },
  "luminance": 0.13644
}

Semantic roles & 50–950 ramp

primary

#4166AD

secondary

#C2AE88

accent

#A853D5

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #4166AD

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

Preview Lab → · Contrast checker → · Palette generator →