#4166C7#4166C7

#4166C7 is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.5% C 0.157 H 265.7°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#4166C7
RGB	rgb(65, 102, 199)
HSL	hsl(223, 54%, 52%)
HSV	hsv(223, 67%, 78%)
CMYK	cmyk(67.3%, 48.7%, 0%, 22%)
CIE-LAB	lab(45.29, 18.84, -54.53)
CIE-LCH	lch(45.29, 57.70, 289.06°)
OKLab	oklab(53.5% -0.0119 -0.1563)
OKLCH	oklch(53.5% 0.157 265.7)
XYZ	xyz(17.2366, 14.7484, 55.9601)
Luminance	0.1475 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4166C7 #C7A241

analogous

#41A9C7 #4166C7 #5F41C7

triadic

#4166C7 #C74166 #66C741

tetradic

#4166C7 #C741A9 #C7A241 #41C75F

square

#4166C7 #C741A9 #C7A241 #41C75F

split-complementary

#4166C7 #C75F41 #A9C741

monochromatic

#20366D #2E4D9D #4166C7 #708CD5 #A0B2E3

Accessibility & contrast

On white

5.32

#4166C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#4166C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4166C7

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4166C7	#FFFFFF	#000000	##FFFFFF
##4166C7	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3172CB

Deuteranopia (green-blind)

#0C65C5

Tritanopia (blue-blind)

#007D8D

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #4166c7;
/* rgb */ color: rgb(65, 102, 199);
/* oklch */ color: oklch(53.5% 0.157 265.7);

Tailwind

colors: {
  custom: {
    50: '#8491d9',
    500: '#4166c7',
    950: '#000000',
  },
}

SCSS

$custom: #4166c7;
$custom-light: #8491d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4166c7",
  "rgb": {
    "r": 65,
    "g": 102,
    "b": 199
  },
  "hsl": {
    "h": 223.433,
    "s": 54.472,
    "l": 51.765
  },
  "oklch": {
    "l": 0.535,
    "c": 0.15679,
    "h": 265.7
  },
  "luminance": 0.1475
}

Semantic roles & 50–950 ramp

primary

#4166C7

secondary

#CFBF95

accent

#B54ADE

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4166C7

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

Preview Lab → · Contrast checker → · Palette generator →