#4666D8#4666D8

#4666D8 is a mid, vivid blue. Relative luminance 0.158; OKLCH L 55.0% C 0.178 H 268.2°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#4666D8
RGB	rgb(70, 102, 216)
HSL	hsl(227, 65%, 56%)
HSV	hsv(227, 68%, 85%)
CMYK	cmyk(67.6%, 52.8%, 0%, 15.3%)
CIE-LAB	lab(46.66, 25.66, -62.04)
CIE-LCH	lch(46.66, 67.14, 292.47°)
OKLab	oklab(54.97% -0.0056 -0.1783)
OKLCH	oklch(54.97% 0.178 268.2)
XYZ	xyz(19.6676, 15.7608, 66.9581)
Luminance	0.1576 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4666D8 #D8B846

analogous

#46AFD8 #4666D8 #6F46D8

triadic

#4666D8 #D84666 #66D846

tetradic

#4666D8 #D846AF #D8B846 #46D86F

square

#4666D8 #D846AF #D8B846 #46D86F

split-complementary

#4666D8 #D86F46 #AFD846

monochromatic

#1C3487 #2747BA #4666D8 #7990E3 #ABBAED

Accessibility & contrast

On white

5.06

#4666D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#4666D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4666D8

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4666D8	#FFFFFF	#000000	##FFFFFF
##4666D8	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1776DC

Deuteranopia (green-blind)

#0068D6

Tritanopia (blue-blind)

#008195

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #4666d8;
/* rgb */ color: rgb(70, 102, 216);
/* oklch */ color: oklch(55.0% 0.178 268.2);

Tailwind

colors: {
  custom: {
    50: '#8a91e5',
    500: '#4666d8',
    950: '#000000',
  },
}

SCSS

$custom: #4666d8;
$custom-light: #8a91e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4666d8",
  "rgb": {
    "r": 70,
    "g": 102,
    "b": 216
  },
  "hsl": {
    "h": 226.849,
    "s": 65.179,
    "l": 56.078
  },
  "oklch": {
    "l": 0.54967,
    "c": 0.17842,
    "h": 268.2
  },
  "luminance": 0.15763
}

Semantic roles & 50–950 ramp

primary

#4666D8

secondary

#DBCE9F

accent

#C340E8

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4666D8

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

Preview Lab → · Contrast checker → · Palette generator →