#4366BB#4366BB

#4366BB is a mid, vivid blue. Relative luminance 0.143; OKLCH L 52.8% C 0.139 H 265.1°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#4366BB
RGB	rgb(67, 102, 187)
HSL	hsl(223, 47%, 50%)
HSV	hsv(223, 64%, 73%)
CMYK	cmyk(64.2%, 45.5%, 0%, 26.7%)
CIE-LAB	lab(44.64, 14.91, -48.63)
CIE-LCH	lch(44.64, 50.87, 287.04°)
OKLab	oklab(52.79% -0.0118 -0.1389)
OKLCH	oklch(52.79% 0.139 265.1)
XYZ	xyz(16.0326, 14.2824, 48.9159)
Luminance	0.1428 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4366BB #BB9843

analogous

#43A2BB #4366BB #5C43BB

triadic

#4366BB #BB4366 #66BB43

tetradic

#4366BB #BB43A2 #BB9843 #43BB5C

square

#4366BB #BB43A2 #BB9843 #43BB5C

split-complementary

#4366BB #BB5C43 #A2BB43

monochromatic

#233561 #334D8E #4366BB #708ACC #9DAFDC

Accessibility & contrast

On white

5.44

#4366BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#4366BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4366BB

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4366BB	#FFFFFF	#000000	##FFFFFF
##4366BB	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D6FBE

Deuteranopia (green-blind)

#2864B9

Tritanopia (blue-blind)

#007987

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4366bb;
/* rgb */ color: rgb(67, 102, 187);
/* oklch */ color: oklch(52.8% 0.139 265.1);

Tailwind

colors: {
  custom: {
    50: '#8391d0',
    500: '#4366bb',
    950: '#000000',
  },
}

SCSS

$custom: #4366bb;
$custom-light: #8391d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4366bb",
  "rgb": {
    "r": 67,
    "g": 102,
    "b": 187
  },
  "hsl": {
    "h": 222.5,
    "s": 47.244,
    "l": 49.804
  },
  "oklch": {
    "l": 0.52786,
    "c": 0.13944,
    "h": 265.1
  },
  "luminance": 0.14284
}

Semantic roles & 50–950 ramp

primary

#4366BB

secondary

#C8B892

accent

#B051D7

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4366BB

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

Preview Lab → · Contrast checker → · Palette generator →