#4166E1#4166E1

#4166E1 is a mid, vivid blue. Relative luminance 0.161; OKLCH L 55.4% C 0.192 H 267.2°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#4166E1
RGB	rgb(65, 102, 225)
HSL	hsl(226, 73%, 57%)
HSV	hsv(226, 71%, 88%)
CMYK	cmyk(71.1%, 54.7%, 0%, 11.8%)
CIE-LAB	lab(47.05, 28.15, -66.52)
CIE-LCH	lch(47.05, 72.23, 292.94°)
OKLab	oklab(55.4% -0.0095 -0.1916)
OKLCH	oklch(55.4% 0.192 267.2)
XYZ	xyz(20.5172, 16.0607, 73.2383)
Luminance	0.1606 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4166E1 #E1BC41

analogous

#41B6E1 #4166E1 #6C41E1

triadic

#4166E1 #E14166 #66E141

tetradic

#4166E1 #E141B6 #E1BC41 #41E16C

square

#4166E1 #E141B6 #E1BC41 #41E16C

split-complementary

#4166E1 #E16C41 #B6E141

monochromatic

#173391 #1F46C6 #4166E1 #7691E9 #ABBBF2

Accessibility & contrast

On white

4.99

#4166E1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#4166E1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4166E1

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4166E1	#FFFFFF	#000000	##FFFFFF
##4166E1	1.00	4.99	4.21	4.99
#FFFFFF	4.99	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0077E5

Deuteranopia (green-blind)

#0069DF

Tritanopia (blue-blind)

#00849A

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #4166e1;
/* rgb */ color: rgb(65, 102, 225);
/* oklch */ color: oklch(55.4% 0.192 267.2);

Tailwind

colors: {
  custom: {
    50: '#8991eb',
    500: '#4166e1',
    950: '#000000',
  },
}

SCSS

$custom: #4166e1;
$custom-light: #8991eb;
$custom-dark: #000000;

JSON

{
  "hex": "#4166e1",
  "rgb": {
    "r": 65,
    "g": 102,
    "b": 225
  },
  "hsl": {
    "h": 226.125,
    "s": 72.727,
    "l": 56.863
  },
  "oklch": {
    "l": 0.554,
    "c": 0.19184,
    "h": 267.2
  },
  "luminance": 0.16063
}

Semantic roles & 50–950 ramp

primary

#4166E1

secondary

#E0D09E

accent

#C538EF

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4166E1

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

Preview Lab → · Contrast checker → · Palette generator →