#4366B2#4366B2

#4366B2 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.2% C 0.127 H 263.9°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#4366B2
RGB	rgb(67, 102, 178)
HSL	hsl(221, 45%, 48%)
HSV	hsv(221, 62%, 70%)
CMYK	cmyk(62.4%, 42.7%, 0%, 30.2%)
CIE-LAB	lab(44.10, 11.73, -44.24)
CIE-LCH	lch(44.10, 45.77, 284.86°)
OKLab	oklab(52.2% -0.0134 -0.126)
OKLCH	oklch(52.2% 0.127 263.9)
XYZ	xyz(15.0992, 13.9090, 43.9999)
Luminance	0.1391 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4366B2 #B28F43

analogous

#439DB2 #4366B2 #5743B2

triadic

#4366B2 #B24366 #66B243

tetradic

#4366B2 #B2439D #B28F43 #43B257

square

#4366B2 #B2439D #B28F43 #43B257

split-complementary

#4366B2 #B25743 #9DB243

monochromatic

#223359 #324D86 #4366B2 #6B88C7 #97ACD8

Accessibility & contrast

On white

5.55

#4366B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#4366B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4366B2

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4366B2	#FFFFFF	#000000	##FFFFFF
##4366B2	1.00	5.55	3.78	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#446EB5

Deuteranopia (green-blind)

#3364B0

Tritanopia (blue-blind)

#007783

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4366b2;
/* rgb */ color: rgb(67, 102, 178);
/* oklch */ color: oklch(52.2% 0.127 263.9);

Tailwind

colors: {
  custom: {
    50: '#8191c9',
    500: '#4366b2',
    950: '#000000',
  },
}

SCSS

$custom: #4366b2;
$custom-light: #8191c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4366b2",
  "rgb": {
    "r": 67,
    "g": 102,
    "b": 178
  },
  "hsl": {
    "h": 221.081,
    "s": 45.306,
    "l": 48.039
  },
  "oklch": {
    "l": 0.52204,
    "c": 0.12675,
    "h": 263.9
  },
  "luminance": 0.1391
}

Semantic roles & 50–950 ramp

primary

#4366B2

secondary

#C4B38D

accent

#AC53D5

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #4366B2

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

Preview Lab → · Contrast checker → · Palette generator →