#4166E3#4166E3

#4166E3 is a mid, vivid blue. Relative luminance 0.162; OKLCH L 55.6% C 0.194 H 267.2°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#4166E3
RGB	rgb(65, 102, 227)
HSL	hsl(226, 74%, 57%)
HSV	hsv(226, 71%, 89%)
CMYK	cmyk(71.4%, 55.1%, 0%, 11%)
CIE-LAB	lab(47.20, 28.87, -67.42)
CIE-LCH	lch(47.20, 73.34, 293.18°)
OKLab	oklab(55.55% -0.0094 -0.1942)
OKLCH	oklch(55.55% 0.194 267.2)
XYZ	xyz(20.7917, 16.1704, 74.6836)
Luminance	0.1617 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4166E3 #E3BE41

analogous

#41B7E3 #4166E3 #6D41E3

triadic

#4166E3 #E34166 #66E341

tetradic

#4166E3 #E341B7 #E3BE41 #41E36D

square

#4166E3 #E341B7 #E3BE41 #41E36D

split-complementary

#4166E3 #E36D41 #B7E341

monochromatic

#163394 #1E45C9 #4166E3 #7691EB #ACBCF3

Accessibility & contrast

On white

4.96

#4166E3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#4166E3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4166E3

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4166E3	#FFFFFF	#000000	##FFFFFF
##4166E3	1.00	4.96	4.23	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078E7

Deuteranopia (green-blind)

#0069E1

Tritanopia (blue-blind)

#00859B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #4166e3;
/* rgb */ color: rgb(65, 102, 227);
/* oklch */ color: oklch(55.6% 0.194 267.2);

Tailwind

colors: {
  custom: {
    50: '#8a91ed',
    500: '#4166e3',
    950: '#000000',
  },
}

SCSS

$custom: #4166e3;
$custom-light: #8a91ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4166e3",
  "rgb": {
    "r": 65,
    "g": 102,
    "b": 227
  },
  "hsl": {
    "h": 226.296,
    "s": 74.312,
    "l": 57.255
  },
  "oklch": {
    "l": 0.55553,
    "c": 0.19448,
    "h": 267.2
  },
  "luminance": 0.16173
}

Semantic roles & 50–950 ramp

primary

#4166E3

secondary

#E1D29F

accent

#C637F1

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4166E3

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

Preview Lab → · Contrast checker → · Palette generator →