#4366B4#4366B4

#4366B4 is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.3% C 0.130 H 264.2°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#4366B4
RGB	rgb(67, 102, 180)
HSL	hsl(221, 46%, 48%)
HSV	hsv(221, 63%, 71%)
CMYK	cmyk(62.8%, 43.3%, 0%, 29.4%)
CIE-LAB	lab(44.22, 12.44, -45.22)
CIE-LCH	lch(44.22, 46.90, 285.38°)
OKLab	oklab(52.33% -0.013 -0.1289)
OKLCH	oklch(52.33% 0.13 264.2)
XYZ	xyz(15.3015, 13.9900, 45.0651)
Luminance	0.1399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4366B4 #B49143

analogous

#439EB4 #4366B4 #5843B4

triadic

#4366B4 #B44366 #66B443

tetradic

#4366B4 #B4439E #B49143 #43B458

square

#4366B4 #B4439E #B49143 #43B458

split-complementary

#4366B4 #B45843 #9EB443

monochromatic

#22335B #324D87 #4366B4 #6C89C8 #99ACD9

Accessibility & contrast

On white

5.53

#4366B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#4366B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4366B4

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4366B4	#FFFFFF	#000000	##FFFFFF
##4366B4	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#426EB7

Deuteranopia (green-blind)

#3164B2

Tritanopia (blue-blind)

#007884

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4366b4;
/* rgb */ color: rgb(67, 102, 180);
/* oklch */ color: oklch(52.3% 0.130 264.2);

Tailwind

colors: {
  custom: {
    50: '#8291cb',
    500: '#4366b4',
    950: '#000000',
  },
}

SCSS

$custom: #4366b4;
$custom-light: #8291cb;
$custom-dark: #000000;

JSON

{
  "hex": "#4366b4",
  "rgb": {
    "r": 67,
    "g": 102,
    "b": 180
  },
  "hsl": {
    "h": 221.416,
    "s": 45.749,
    "l": 48.431
  },
  "oklch": {
    "l": 0.52331,
    "c": 0.12958,
    "h": 264.2
  },
  "luminance": 0.13991
}

Semantic roles & 50–950 ramp

primary

#4366B4

secondary

#C5B48E

accent

#AD52D5

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #4366B4

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

Preview Lab → · Contrast checker → · Palette generator →