#4166E5#4166E5

#4166E5 is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.7% C 0.197 H 267.3°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#4166E5
RGB	rgb(65, 102, 229)
HSL	hsl(226, 76%, 58%)
HSV	hsv(226, 72%, 90%)
CMYK	cmyk(71.6%, 55.5%, 0%, 10.2%)
CIE-LAB	lab(47.34, 29.58, -68.31)
CIE-LCH	lch(47.34, 74.44, 293.41°)
OKLab	oklab(55.71% -0.0093 -0.1969)
OKLCH	oklch(55.71% 0.197 267.3)
XYZ	xyz(21.0693, 16.2815, 76.1458)
Luminance	0.1628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4166E5 #E5C041

analogous

#41B8E5 #4166E5 #6E41E5

triadic

#4166E5 #E54166 #66E541

tetradic

#4166E5 #E541B8 #E5C041 #41E56E

square

#4166E5 #E541B8 #E5C041 #41E56E

split-complementary

#4166E5 #E56E41 #B8E541

monochromatic

#153297 #1C44CD #4166E5 #7791EC #ADBDF4

Accessibility & contrast

On white

4.93

#4166E5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#4166E5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4166E5

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4166E5	#FFFFFF	#000000	##FFFFFF
##4166E5	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078E9

Deuteranopia (green-blind)

#0069E2

Tritanopia (blue-blind)

#00859C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #4166e5;
/* rgb */ color: rgb(65, 102, 229);
/* oklch */ color: oklch(55.7% 0.197 267.3);

Tailwind

colors: {
  custom: {
    50: '#8a91ee',
    500: '#4166e5',
    950: '#000000',
  },
}

SCSS

$custom: #4166e5;
$custom-light: #8a91ee;
$custom-dark: #000000;

JSON

{
  "hex": "#4166e5",
  "rgb": {
    "r": 65,
    "g": 102,
    "b": 229
  },
  "hsl": {
    "h": 226.463,
    "s": 75.926,
    "l": 57.647
  },
  "oklch": {
    "l": 0.55707,
    "c": 0.1971,
    "h": 267.3
  },
  "luminance": 0.16284
}

Semantic roles & 50–950 ramp

primary

#4166E5

secondary

#E2D3A0

accent

#C835F3

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4166E5

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

Preview Lab → · Contrast checker → · Palette generator →