#4166C4#4166C4

#4166C4 is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.3% C 0.153 H 265.4°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#4166C4
RGB	rgb(65, 102, 196)
HSL	hsl(223, 53%, 51%)
HSV	hsv(223, 67%, 77%)
CMYK	cmyk(66.8%, 48%, 0%, 23.1%)
CIE-LAB	lab(45.10, 17.77, -53.11)
CIE-LCH	lch(45.10, 56.01, 288.50°)
OKLab	oklab(53.29% -0.0123 -0.1521)
OKLCH	oklch(53.29% 0.153 265.4)
XYZ	xyz(16.8917, 14.6105, 54.1438)
Luminance	0.1461 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4166C4 #C49F41

analogous

#41A7C4 #4166C4 #5D41C4

triadic

#4166C4 #C44166 #66C441

tetradic

#4166C4 #C441A7 #C49F41 #41C45D

square

#4166C4 #C441A7 #C49F41 #41C45D

split-complementary

#4166C4 #C45D41 #A7C441

monochromatic

#21356A #2F4D98 #4166C4 #708CD3 #9EB1E1

Accessibility & contrast

On white

5.35

#4166C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#4166C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4166C4

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4166C4	#FFFFFF	#000000	##FFFFFF
##4166C4	1.00	5.35	3.92	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3471C7

Deuteranopia (green-blind)

#1665C2

Tritanopia (blue-blind)

#007C8B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #4166c4;
/* rgb */ color: rgb(65, 102, 196);
/* oklch */ color: oklch(53.3% 0.153 265.4);

Tailwind

colors: {
  custom: {
    50: '#8491d6',
    500: '#4166c4',
    950: '#000000',
  },
}

SCSS

$custom: #4166c4;
$custom-light: #8491d6;
$custom-dark: #000000;

JSON

{
  "hex": "#4166c4",
  "rgb": {
    "r": 65,
    "g": 102,
    "b": 196
  },
  "hsl": {
    "h": 223.053,
    "s": 52.61,
    "l": 51.176
  },
  "oklch": {
    "l": 0.53292,
    "c": 0.15264,
    "h": 265.4
  },
  "luminance": 0.14612
}

Semantic roles & 50–950 ramp

primary

#4166C4

secondary

#CDBD93

accent

#B34CDC

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #4166C4

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

Preview Lab → · Contrast checker → · Palette generator →