#4666BD#4666BD

#4666BD is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.1% C 0.141 H 266.5°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#4666BD
RGB	rgb(70, 102, 189)
HSL	hsl(224, 47%, 51%)
HSV	hsv(224, 63%, 74%)
CMYK	cmyk(63%, 46%, 0%, 25.9%)
CIE-LAB	lab(44.91, 16.15, -49.35)
CIE-LCH	lch(44.91, 51.92, 288.12°)
OKLab	oklab(53.08% -0.0087 -0.141)
OKLCH	oklch(53.08% 0.141 266.5)
XYZ	xyz(16.4593, 14.4775, 50.0613)
Luminance	0.1448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4666BD #BD9D46

analogous

#46A1BD #4666BD #6246BD

triadic

#4666BD #BD4666 #66BD46

tetradic

#4666BD #BD46A1 #BD9D46 #46BD62

square

#4666BD #BD46A1 #BD9D46 #46BD62

split-complementary

#4666BD #BD6246 #A1BD46

monochromatic

#243565 #344D92 #4666BD #738BCD #A0B1DD

Accessibility & contrast

On white

5.39

#4666BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#4666BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4666BD

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4666BD	#FFFFFF	#000000	##FFFFFF
##4666BD	1.00	5.39	3.90	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C70C0

Deuteranopia (green-blind)

#2865BB

Tritanopia (blue-blind)

#007A88

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4666bd;
/* rgb */ color: rgb(70, 102, 189);
/* oklch */ color: oklch(53.1% 0.141 266.5);

Tailwind

colors: {
  custom: {
    50: '#8591d1',
    500: '#4666bd',
    950: '#000000',
  },
}

SCSS

$custom: #4666bd;
$custom-light: #8591d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4666bd",
  "rgb": {
    "r": 70,
    "g": 102,
    "b": 189
  },
  "hsl": {
    "h": 223.866,
    "s": 47.41,
    "l": 50.784
  },
  "oklch": {
    "l": 0.53077,
    "c": 0.14125,
    "h": 266.5
  },
  "luminance": 0.14479
}

Semantic roles & 50–950 ramp

primary

#4666BD

secondary

#CABC95

accent

#B351D7

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4666BD

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

Preview Lab → · Contrast checker → · Palette generator →