#4666D9#4666D9

#4666D9 is a mid, vivid blue. Relative luminance 0.158; OKLCH L 55.0% C 0.180 H 268.2°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#4666D9
RGB	rgb(70, 102, 217)
HSL	hsl(227, 66%, 56%)
HSV	hsv(227, 68%, 85%)
CMYK	cmyk(67.7%, 53%, 0%, 14.9%)
CIE-LAB	lab(46.73, 26.01, -62.50)
CIE-LCH	lch(46.73, 67.70, 292.59°)
OKLab	oklab(55.04% -0.0055 -0.1797)
OKLCH	oklch(55.04% 0.18 268.2)
XYZ	xyz(19.7972, 15.8127, 67.6410)
Luminance	0.1582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4666D9 #D9B946

analogous

#46B0D9 #4666D9 #7046D9

triadic

#4666D9 #D94666 #66D946

tetradic

#4666D9 #D946B0 #D9B946 #46D970

square

#4666D9 #D946B0 #D9B946 #46D970

split-complementary

#4666D9 #D97046 #B0D946

monochromatic

#1C3489 #2647BB #4666D9 #7990E3 #ACBAEE

Accessibility & contrast

On white

5.04

#4666D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#4666D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4666D9

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4666D9	#FFFFFF	#000000	##FFFFFF
##4666D9	1.00	5.04	4.16	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1476DD

Deuteranopia (green-blind)

#0068D7

Tritanopia (blue-blind)

#008196

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #4666d9;
/* rgb */ color: rgb(70, 102, 217);
/* oklch */ color: oklch(55.0% 0.180 268.2);

Tailwind

colors: {
  custom: {
    50: '#8a91e5',
    500: '#4666d9',
    950: '#000000',
  },
}

SCSS

$custom: #4666d9;
$custom-light: #8a91e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4666d9",
  "rgb": {
    "r": 70,
    "g": 102,
    "b": 217
  },
  "hsl": {
    "h": 226.939,
    "s": 65.919,
    "l": 56.275
  },
  "oklch": {
    "l": 0.5504,
    "c": 0.17977,
    "h": 268.2
  },
  "luminance": 0.15815
}

Semantic roles & 50–950 ramp

primary

#4666D9

secondary

#DCCE9F

accent

#C43FE9

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4666D9

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

Preview Lab → · Contrast checker → · Palette generator →