#4A66E1#4A66E1

#4A66E1 is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.8% C 0.189 H 269.6°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#4A66E1
RGB	rgb(74, 102, 225)
HSL	hsl(229, 72%, 59%)
HSV	hsv(229, 67%, 88%)
CMYK	cmyk(67.1%, 54.7%, 0%, 11.8%)
CIE-LAB	lab(47.49, 29.40, -65.80)
CIE-LCH	lch(47.49, 72.07, 294.07°)
OKLab	oklab(55.84% -0.0013 -0.1893)
OKLCH	oklch(55.84% 0.189 269.6)
XYZ	xyz(21.1614, 16.3928, 73.2685)
Luminance	0.1640 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A66E1 #E1C54A

analogous

#4AB1E1 #4A66E1 #794AE1

triadic

#4A66E1 #E14A66 #66E14A

tetradic

#4A66E1 #E14AB1 #E1C54A #4AE179

square

#4A66E1 #E14AB1 #E1C54A #4AE179

split-complementary

#4A66E1 #E1794A #B1E14A

monochromatic

#193197 #2241CC #4A66E1 #7E92EA #B3BFF2

Accessibility & contrast

On white

4.91

#4A66E1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#4A66E1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A66E1

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A66E1	#FFFFFF	#000000	##FFFFFF
##4A66E1	1.00	4.91	4.28	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078E5

Deuteranopia (green-blind)

#006ADF

Tritanopia (blue-blind)

#00849A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4a66e1;
/* rgb */ color: rgb(74, 102, 225);
/* oklch */ color: oklch(55.8% 0.189 269.6);

Tailwind

colors: {
  custom: {
    50: '#8d91eb',
    500: '#4a66e1',
    950: '#000000',
  },
}

SCSS

$custom: #4a66e1;
$custom-light: #8d91eb;
$custom-dark: #000000;

JSON

{
  "hex": "#4a66e1",
  "rgb": {
    "r": 74,
    "g": 102,
    "b": 225
  },
  "hsl": {
    "h": 228.874,
    "s": 71.564,
    "l": 58.627
  },
  "oklch": {
    "l": 0.55842,
    "c": 0.18931,
    "h": 269.6
  },
  "luminance": 0.16395
}

Semantic roles & 50–950 ramp

primary

#4A66E1

secondary

#E1D6A6

accent

#CD39EE

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #4A66E1

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

Preview Lab → · Contrast checker → · Palette generator →