#4666DC#4666DC

#4666DC is a mid, vivid blue. Relative luminance 0.160; OKLCH L 55.3% C 0.184 H 268.3°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#4666DC
RGB	rgb(70, 102, 220)
HSL	hsl(227, 68%, 57%)
HSV	hsv(227, 68%, 86%)
CMYK	cmyk(68.2%, 53.6%, 0%, 13.7%)
CIE-LAB	lab(46.94, 27.07, -63.87)
CIE-LCH	lch(46.94, 69.37, 292.97°)
OKLab	oklab(55.26% -0.0053 -0.1837)
OKLCH	oklch(55.26% 0.184 268.3)
XYZ	xyz(20.1910, 15.9702, 69.7147)
Luminance	0.1597 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4666DC #DCBC46

analogous

#46B1DC #4666DC #7146DC

triadic

#4666DC #DC4666 #66DC46

tetradic

#4666DC #DC46B1 #DCBC46 #46DC71

square

#4666DC #DC46B1 #DCBC46 #46DC71

split-complementary

#4666DC #DC7146 #B1DC46

monochromatic

#1B338D #2446C0 #4666DC #7991E6 #ADBBEF

Accessibility & contrast

On white

5.01

#4666DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#4666DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4666DC

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4666DC	#FFFFFF	#000000	##FFFFFF
##4666DC	1.00	5.01	4.19	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0876E0

Deuteranopia (green-blind)

#0069DA

Tritanopia (blue-blind)

#008297

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #4666dc;
/* rgb */ color: rgb(70, 102, 220);
/* oklch */ color: oklch(55.3% 0.184 268.3);

Tailwind

colors: {
  custom: {
    50: '#8a91e8',
    500: '#4666dc',
    950: '#000000',
  },
}

SCSS

$custom: #4666dc;
$custom-light: #8a91e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4666dc",
  "rgb": {
    "r": 70,
    "g": 102,
    "b": 220
  },
  "hsl": {
    "h": 227.2,
    "s": 68.182,
    "l": 56.863
  },
  "oklch": {
    "l": 0.55263,
    "c": 0.18379,
    "h": 268.3
  },
  "luminance": 0.15972
}

Semantic roles & 50–950 ramp

primary

#4666DC

secondary

#DDD0A0

accent

#C63DEB

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4666DC

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

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