#4A66D3#4A66D3

#4A66D3 is a mid, vivid blue. Relative luminance 0.157; OKLCH L 54.8% C 0.170 H 269.2°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#4A66D3
RGB	rgb(74, 102, 211)
HSL	hsl(228, 61%, 56%)
HSV	hsv(228, 65%, 83%)
CMYK	cmyk(64.9%, 51.7%, 0%, 17.3%)
CIE-LAB	lab(46.53, 24.53, -59.40)
CIE-LCH	lch(46.53, 64.26, 292.44°)
OKLab	oklab(54.81% -0.0022 -0.1705)
OKLCH	oklch(54.81% 0.17 269.2)
XYZ	xyz(19.3293, 15.6600, 63.6194)
Luminance	0.1566 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A66D3 #D3B74A

analogous

#4AAAD3 #4A66D3 #724AD3

triadic

#4A66D3 #D34A66 #66D34A

tetradic

#4A66D3 #D34AAA #D3B74A #4AD372

square

#4A66D3 #D34AAA #D3B74A #4AD372

split-complementary

#4A66D3 #D3724A #AAD34A

monochromatic

#203483 #2C48B4 #4A66D3 #7B90DF #ACB9EB

Accessibility & contrast

On white

5.08

#4A66D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#4A66D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A66D3

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A66D3	#FFFFFF	#000000	##FFFFFF
##4A66D3	1.00	5.08	4.13	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2375D7

Deuteranopia (green-blind)

#0068D1

Tritanopia (blue-blind)

#008093

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #4a66d3;
/* rgb */ color: rgb(74, 102, 211);
/* oklch */ color: oklch(54.8% 0.170 269.2);

Tailwind

colors: {
  custom: {
    50: '#8a91e1',
    500: '#4a66d3',
    950: '#000000',
  },
}

SCSS

$custom: #4a66d3;
$custom-light: #8a91e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4a66d3",
  "rgb": {
    "r": 74,
    "g": 102,
    "b": 211
  },
  "hsl": {
    "h": 227.737,
    "s": 60.889,
    "l": 55.882
  },
  "oklch": {
    "l": 0.54813,
    "c": 0.17048,
    "h": 269.2
  },
  "luminance": 0.15662
}

Semantic roles & 50–950 ramp

primary

#4A66D3

secondary

#D9CDA0

accent

#C344E4

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4A66D3

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

Preview Lab → · Contrast checker → · Palette generator →