#4166B6#4166B6

#4166B6 is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.4% C 0.133 H 263.7°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#4166B6
RGB	rgb(65, 102, 182)
HSL	hsl(221, 47%, 48%)
HSV	hsv(221, 64%, 71%)
CMYK	cmyk(64.3%, 44%, 0%, 28.6%)
CIE-LAB	lab(44.24, 12.78, -46.37)
CIE-LCH	lch(44.24, 48.09, 285.41°)
OKLab	oklab(52.36% -0.0145 -0.1323)
OKLCH	oklch(52.36% 0.133 263.7)
XYZ	xyz(15.3719, 14.0025, 46.1396)
Luminance	0.1400 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4166B6 #B69141

analogous

#41A0B6 #4166B6 #5741B6

triadic

#4166B6 #B64166 #66B641

tetradic

#4166B6 #B641A0 #B69141 #41B657

square

#4166B6 #B641A0 #B69141 #41B657

split-complementary

#4166B6 #B65741 #A0B641

monochromatic

#21335C #314D89 #4166B6 #6A89CA #97ACDA

Accessibility & contrast

On white

5.53

#4166B6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#4166B6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4166B6

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4166B6	#FFFFFF	#000000	##FFFFFF
##4166B6	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#416EB9

Deuteranopia (green-blind)

#2E64B4

Tritanopia (blue-blind)

#007885

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4166b6;
/* rgb */ color: rgb(65, 102, 182);
/* oklch */ color: oklch(52.4% 0.133 263.7);

Tailwind

colors: {
  custom: {
    50: '#8191cc',
    500: '#4166b6',
    950: '#000000',
  },
}

SCSS

$custom: #4166b6;
$custom-light: #8191cc;
$custom-dark: #000000;

JSON

{
  "hex": "#4166b6",
  "rgb": {
    "r": 65,
    "g": 102,
    "b": 182
  },
  "hsl": {
    "h": 221.026,
    "s": 47.368,
    "l": 48.431
  },
  "oklch": {
    "l": 0.52356,
    "c": 0.13311,
    "h": 263.7
  },
  "luminance": 0.14004
}

Semantic roles & 50–950 ramp

primary

#4166B6

secondary

#C6B48D

accent

#AD51D7

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #4166B6

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

Preview Lab → · Contrast checker → · Palette generator →