#4166E0#4166E0

#4166E0 is a mid, vivid blue. Relative luminance 0.160; OKLCH L 55.3% C 0.191 H 267.1°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#4166E0
RGB	rgb(65, 102, 224)
HSL	hsl(226, 72%, 57%)
HSV	hsv(226, 71%, 88%)
CMYK	cmyk(71%, 54.5%, 0%, 12.2%)
CIE-LAB	lab(46.98, 27.80, -66.07)
CIE-LCH	lch(46.98, 71.68, 292.82°)
OKLab	oklab(55.32% -0.0095 -0.1903)
OKLCH	oklch(55.32% 0.191 267.1)
XYZ	xyz(20.3812, 16.0063, 72.5220)
Luminance	0.1601 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4166E0 #E0BB41

analogous

#41B6E0 #4166E0 #6C41E0

triadic

#4166E0 #E04166 #66E041

tetradic

#4166E0 #E041B6 #E0BB41 #41E06C

square

#4166E0 #E041B6 #E0BB41 #41E06C

split-complementary

#4166E0 #E06C41 #B6E041

monochromatic

#17338F #2046C4 #4166E0 #7690E9 #AABBF1

Accessibility & contrast

On white

5.00

#4166E0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#4166E0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4166E0

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4166E0	#FFFFFF	#000000	##FFFFFF
##4166E0	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0077E4

Deuteranopia (green-blind)

#0068DE

Tritanopia (blue-blind)

#008499

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #4166e0;
/* rgb */ color: rgb(65, 102, 224);
/* oklch */ color: oklch(55.3% 0.191 267.1);

Tailwind

colors: {
  custom: {
    50: '#8991ea',
    500: '#4166e0',
    950: '#000000',
  },
}

SCSS

$custom: #4166e0;
$custom-light: #8991ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4166e0",
  "rgb": {
    "r": 65,
    "g": 102,
    "b": 224
  },
  "hsl": {
    "h": 226.038,
    "s": 71.946,
    "l": 56.667
  },
  "oklch": {
    "l": 0.55324,
    "c": 0.19052,
    "h": 267.1
  },
  "luminance": 0.16008
}

Semantic roles & 50–950 ramp

primary

#4166E0

secondary

#DFD09E

accent

#C439EF

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4166E0

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

Preview Lab → · Contrast checker → · Palette generator →