#4A66C7#4A66C7

#4A66C7 is a mid, vivid blue. Relative luminance 0.151; OKLCH L 54.0% C 0.154 H 268.7°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#4A66C7
RGB	rgb(74, 102, 199)
HSL	hsl(227, 53%, 54%)
HSV	hsv(227, 63%, 78%)
CMYK	cmyk(62.8%, 48.7%, 0%, 22%)
CIE-LAB	lab(45.74, 20.36, -53.78)
CIE-LCH	lch(45.74, 57.50, 290.73°)
OKLab	oklab(53.97% -0.0035 -0.1539)
OKLCH	oklch(53.97% 0.154 268.7)
XYZ	xyz(17.8807, 15.0805, 55.9903)
Luminance	0.1508 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A66C7 #C7AB4A

analogous

#4AA4C7 #4A66C7 #6C4AC7

triadic

#4A66C7 #C74A66 #66C74A

tetradic

#4A66C7 #C74AA4 #C7AB4A #4AC76C

square

#4A66C7 #C74AA4 #C7AB4A #4AC76C

split-complementary

#4A66C7 #C76C4A #A4C74A

monochromatic

#243573 #324BA2 #4A66C7 #798ED5 #A7B5E4

Accessibility & contrast

On white

5.23

#4A66C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#4A66C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A66C7

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A66C7	#FFFFFF	#000000	##FFFFFF
##4A66C7	1.00	5.23	4.02	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3372CB

Deuteranopia (green-blind)

#1867C5

Tritanopia (blue-blind)

#007C8D

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #4a66c7;
/* rgb */ color: rgb(74, 102, 199);
/* oklch */ color: oklch(54.0% 0.154 268.7);

Tailwind

colors: {
  custom: {
    50: '#8891d9',
    500: '#4a66c7',
    950: '#000000',
  },
}

SCSS

$custom: #4a66c7;
$custom-light: #8891d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4a66c7",
  "rgb": {
    "r": 74,
    "g": 102,
    "b": 199
  },
  "hsl": {
    "h": 226.56,
    "s": 52.743,
    "l": 53.529
  },
  "oklch": {
    "l": 0.53971,
    "c": 0.15396,
    "h": 268.7
  },
  "luminance": 0.15082
}

Semantic roles & 50–950 ramp

primary

#4A66C7

secondary

#D1C59C

accent

#BC4CDC

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4A66C7

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

Preview Lab → · Contrast checker → · Palette generator →