#4666BE#4666BE

#4666BE is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.1% C 0.143 H 266.6°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#4666BE
RGB	rgb(70, 102, 190)
HSL	hsl(224, 48%, 51%)
HSV	hsv(224, 63%, 75%)
CMYK	cmyk(63.2%, 46.3%, 0%, 25.5%)
CIE-LAB	lab(44.97, 16.50, -49.83)
CIE-LCH	lch(44.97, 52.49, 288.32°)
OKLab	oklab(53.14% -0.0086 -0.1424)
OKLCH	oklch(53.14% 0.143 266.6)
XYZ	xyz(16.5682, 14.5211, 50.6349)
Luminance	0.1452 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4666BE #BE9E46

analogous

#46A2BE #4666BE #6246BE

triadic

#4666BE #BE4666 #66BE46

tetradic

#4666BE #BE46A2 #BE9E46 #46BE62

square

#4666BE #BE46A2 #BE9E46 #46BE62

split-complementary

#4666BE #BE6246 #A2BE46

monochromatic

#243566 #344D93 #4666BE #738BCE #A1B1DE

Accessibility & contrast

On white

5.38

#4666BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#4666BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4666BE

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4666BE	#FFFFFF	#000000	##FFFFFF
##4666BE	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B70C1

Deuteranopia (green-blind)

#2665BC

Tritanopia (blue-blind)

#007A89

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4666be;
/* rgb */ color: rgb(70, 102, 190);
/* oklch */ color: oklch(53.1% 0.143 266.6);

Tailwind

colors: {
  custom: {
    50: '#8591d2',
    500: '#4666be',
    950: '#000000',
  },
}

SCSS

$custom: #4666be;
$custom-light: #8591d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4666be",
  "rgb": {
    "r": 70,
    "g": 102,
    "b": 190
  },
  "hsl": {
    "h": 224,
    "s": 48,
    "l": 50.98
  },
  "oklch": {
    "l": 0.53144,
    "c": 0.14266,
    "h": 266.6
  },
  "luminance": 0.14523
}

Semantic roles & 50–950 ramp

primary

#4666BE

secondary

#CABC95

accent

#B350D8

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4666BE

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

Preview Lab → · Contrast checker → · Palette generator →