#4666B2#4666B2

#4666B2 is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.4% C 0.126 H 265.2°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#4666B2
RGB	rgb(70, 102, 178)
HSL	hsl(222, 44%, 49%)
HSV	hsv(222, 61%, 70%)
CMYK	cmyk(60.7%, 42.7%, 0%, 30.2%)
CIE-LAB	lab(44.26, 12.32, -43.98)
CIE-LCH	lch(44.26, 45.67, 285.64°)
OKLab	oklab(52.37% -0.0106 -0.1252)
OKLCH	oklch(52.37% 0.126 265.2)
XYZ	xyz(15.3103, 14.0179, 44.0097)
Luminance	0.1402 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4666B2 #B29246

analogous

#469CB2 #4666B2 #5C46B2

triadic

#4666B2 #B24666 #66B246

tetradic

#4666B2 #B2469C #B29246 #46B25C

square

#4666B2 #B2469C #B29246 #46B25C

split-complementary

#4666B2 #B25C46 #9CB246

monochromatic

#23345A #354D86 #4666B2 #6F89C6 #9BADD8

Accessibility & contrast

On white

5.52

#4666B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#4666B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4666B2

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4666B2	#FFFFFF	#000000	##FFFFFF
##4666B2	1.00	5.52	3.80	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#446EB5

Deuteranopia (green-blind)

#3564B0

Tritanopia (blue-blind)

#007783

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4666b2;
/* rgb */ color: rgb(70, 102, 178);
/* oklch */ color: oklch(52.4% 0.126 265.2);

Tailwind

colors: {
  custom: {
    50: '#8391c9',
    500: '#4666b2',
    950: '#000000',
  },
}

SCSS

$custom: #4666b2;
$custom-light: #8391c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4666b2",
  "rgb": {
    "r": 70,
    "g": 102,
    "b": 178
  },
  "hsl": {
    "h": 222.222,
    "s": 43.548,
    "l": 48.627
  },
  "oklch": {
    "l": 0.52367,
    "c": 0.12567,
    "h": 265.2
  },
  "luminance": 0.14019
}

Semantic roles & 50–950 ramp

primary

#4666B2

secondary

#C4B490

accent

#AE55D3

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #4666B2

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

Preview Lab → · Contrast checker → · Palette generator →