#4166B0#4166B0

#4166B0 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.0% C 0.125 H 262.8°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#4166B0
RGB	rgb(65, 102, 176)
HSL	hsl(220, 46%, 47%)
HSV	hsv(220, 63%, 69%)
CMYK	cmyk(63.1%, 42%, 0%, 31%)
CIE-LAB	lab(43.89, 10.65, -43.42)
CIE-LCH	lch(43.89, 44.71, 283.78°)
OKLab	oklab(51.97% -0.0156 -0.1237)
OKLCH	oklch(51.97% 0.125 262.8)
XYZ	xyz(14.7651, 13.7598, 42.9437)
Luminance	0.1376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4166B0 #B08B41

analogous

#419EB0 #4166B0 #5441B0

triadic

#4166B0 #B04166 #66B041

tetradic

#4166B0 #B0419E #B08B41 #41B054

square

#4166B0 #B0419E #B08B41 #41B054

split-complementary

#4166B0 #B05441 #9EB041

monochromatic

#203257 #304C83 #4166B0 #6787C7 #94AAD7

Accessibility & contrast

On white

5.60

#4166B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#4166B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4166B0

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4166B0	#FFFFFF	#000000	##FFFFFF
##4166B0	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#456DB3

Deuteranopia (green-blind)

#3463AE

Tritanopia (blue-blind)

#007782

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4166b0;
/* rgb */ color: rgb(65, 102, 176);
/* oklch */ color: oklch(52.0% 0.125 262.8);

Tailwind

colors: {
  custom: {
    50: '#8091c8',
    500: '#4166b0',
    950: '#000000',
  },
}

SCSS

$custom: #4166b0;
$custom-light: #8091c8;
$custom-dark: #000000;

JSON

{
  "hex": "#4166b0",
  "rgb": {
    "r": 65,
    "g": 102,
    "b": 176
  },
  "hsl": {
    "h": 220,
    "s": 46.058,
    "l": 47.255
  },
  "oklch": {
    "l": 0.51973,
    "c": 0.12466,
    "h": 262.8
  },
  "luminance": 0.13761
}

Semantic roles & 50–950 ramp

primary

#4166B0

secondary

#C3B08A

accent

#AA52D6

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #4166B0

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

Preview Lab → · Contrast checker → · Palette generator →