#4664B2#4664B2

#4664B2 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 51.9% C 0.128 H 266.2°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#4664B2
RGB	rgb(70, 100, 178)
HSL	hsl(223, 44%, 49%)
HSV	hsv(223, 61%, 70%)
CMYK	cmyk(60.7%, 43.8%, 0%, 30.2%)
CIE-LAB	lab(43.70, 13.58, -44.88)
CIE-LCH	lch(43.70, 46.89, 286.84°)
OKLab	oklab(51.93% -0.0085 -0.1279)
OKLCH	oklch(51.93% 0.128 266.2)
XYZ	xyz(15.1161, 13.6295, 43.9450)
Luminance	0.1363 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4664B2 #B29446

analogous

#469AB2 #4664B2 #5E46B2

triadic

#4664B2 #B24664 #64B246

tetradic

#4664B2 #B2469A #B29446 #46B25E

square

#4664B2 #B2469A #B29446 #46B25E

split-complementary

#4664B2 #B25E46 #9AB246

monochromatic

#23335A #354B86 #4664B2 #6F87C6 #9BACD8

Accessibility & contrast

On white

5.64

#4664B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#4664B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4664B2

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4664B2	#FFFFFF	#000000	##FFFFFF
##4664B2	1.00	5.64	3.73	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#416CB5

Deuteranopia (green-blind)

#3163B0

Tritanopia (blue-blind)

#007682

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #4664b2;
/* rgb */ color: rgb(70, 100, 178);
/* oklch */ color: oklch(51.9% 0.128 266.2);

Tailwind

colors: {
  custom: {
    50: '#838fc9',
    500: '#4664b2',
    950: '#000000',
  },
}

SCSS

$custom: #4664b2;
$custom-light: #838fc9;
$custom-dark: #000000;

JSON

{
  "hex": "#4664b2",
  "rgb": {
    "r": 70,
    "g": 100,
    "b": 178
  },
  "hsl": {
    "h": 223.333,
    "s": 43.548,
    "l": 48.627
  },
  "oklch": {
    "l": 0.51935,
    "c": 0.12816,
    "h": 266.2
  },
  "luminance": 0.13631
}

Semantic roles & 50–950 ramp

primary

#4664B2

secondary

#C4B590

accent

#B055D3

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #4664B2

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

Preview Lab → · Contrast checker → · Palette generator →