#4666A4#4666A4

#4666A4 is a mid, moderate blue. Relative luminance 0.135; OKLCH L 51.5% C 0.106 H 262.6°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#4666A4
RGB	rgb(70, 102, 164)
HSL	hsl(220, 40%, 46%)
HSV	hsv(220, 57%, 64%)
CMYK	cmyk(57.3%, 37.8%, 0%, 35.7%)
CIE-LAB	lab(43.48, 7.51, -36.98)
CIE-LCH	lch(43.48, 37.74, 281.48°)
OKLab	oklab(51.52% -0.0136 -0.1047)
OKLCH	oklch(51.52% 0.106 262.6)
XYZ	xyz(13.9757, 13.4841, 36.9810)
Luminance	0.1348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4666A4 #A48446

analogous

#4695A4 #4666A4 #5546A4

triadic

#4666A4 #A44666 #66A446

tetradic

#4666A4 #A44695 #A48446 #46A455

square

#4666A4 #A44695 #A48446 #46A455

split-complementary

#4666A4 #A45546 #95A446

monochromatic

#21314E #344B79 #4666A4 #6886BF #93A8D1

Accessibility & contrast

On white

5.68

#4666A4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#4666A4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4666A4

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4666A4	#FFFFFF	#000000	##FFFFFF
##4666A4	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C6BA7

Deuteranopia (green-blind)

#4163A3

Tritanopia (blue-blind)

#01747D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #4666a4;
/* rgb */ color: rgb(70, 102, 164);
/* oklch */ color: oklch(51.5% 0.106 262.6);

Tailwind

colors: {
  custom: {
    50: '#8191bf',
    500: '#4666a4',
    950: '#000000',
  },
}

SCSS

$custom: #4666a4;
$custom-light: #8191bf;
$custom-dark: #000000;

JSON

{
  "hex": "#4666a4",
  "rgb": {
    "r": 70,
    "g": 102,
    "b": 164
  },
  "hsl": {
    "h": 219.574,
    "s": 40.171,
    "l": 45.882
  },
  "oklch": {
    "l": 0.51516,
    "c": 0.10562,
    "h": 262.6
  },
  "luminance": 0.13485
}

Semantic roles & 50–950 ramp

primary

#4666A4

secondary

#BDAB89

accent

#A758D0

background

#F8F8FB

surface

#EFF0F7

border

#CACBD0

text

#0B0C12

muted

#7C7D81

Preview Lab

Preview with #4666A4

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

Preview Lab → · Contrast checker → · Palette generator →