#4A66CF#4A66CF

#4A66CF is a mid, vivid blue. Relative luminance 0.155; OKLCH L 54.5% C 0.165 H 269.1°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#4A66CF
RGB	rgb(74, 102, 207)
HSL	hsl(227, 58%, 55%)
HSV	hsv(227, 64%, 81%)
CMYK	cmyk(64.3%, 50.7%, 0%, 18.8%)
CIE-LAB	lab(46.26, 23.14, -57.54)
CIE-LCH	lch(46.26, 62.02, 291.90°)
OKLab	oklab(54.53% -0.0026 -0.165)
OKLCH	oklch(54.53% 0.165 269.1)
XYZ	xyz(18.8341, 15.4619, 61.0113)
Luminance	0.1546 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A66CF #CFB34A

analogous

#4AA9CF #4A66CF #704ACF

triadic

#4A66CF #CF4A66 #66CF4A

tetradic

#4A66CF #CF4AA9 #CFB34A #4ACF70

square

#4A66CF #CF4AA9 #CFB34A #4ACF70

split-complementary

#4A66CF #CF704A #A9CF4A

monochromatic

#21357D #2E49AE #4A66CF #7A8FDC #ABB8E9

Accessibility & contrast

On white

5.13

#4A66CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#4A66CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A66CF

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A66CF	#FFFFFF	#000000	##FFFFFF
##4A66CF	1.00	5.13	4.09	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2974D3

Deuteranopia (green-blind)

#0068CD

Tritanopia (blue-blind)

#007E91

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #4a66cf;
/* rgb */ color: rgb(74, 102, 207);
/* oklch */ color: oklch(54.5% 0.165 269.1);

Tailwind

colors: {
  custom: {
    50: '#8a91de',
    500: '#4a66cf',
    950: '#000000',
  },
}

SCSS

$custom: #4a66cf;
$custom-light: #8a91de;
$custom-dark: #000000;

JSON

{
  "hex": "#4a66cf",
  "rgb": {
    "r": 74,
    "g": 102,
    "b": 207
  },
  "hsl": {
    "h": 227.368,
    "s": 58.079,
    "l": 55.098
  },
  "oklch": {
    "l": 0.54528,
    "c": 0.16501,
    "h": 269.1
  },
  "luminance": 0.15464
}

Semantic roles & 50–950 ramp

primary

#4A66CF

secondary

#D6CB9F

accent

#C146E1

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4A66CF

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

Preview Lab → · Contrast checker → · Palette generator →