#4366DF#4366DF

#4366DF is a mid, vivid blue. Relative luminance 0.160; OKLCH L 55.3% C 0.189 H 267.6°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#4366DF
RGB	rgb(67, 102, 223)
HSL	hsl(227, 71%, 57%)
HSV	hsv(227, 70%, 87%)
CMYK	cmyk(70%, 54.3%, 0%, 12.5%)
CIE-LAB	lab(47.00, 27.71, -65.47)
CIE-LCH	lch(47.00, 71.09, 292.94°)
OKLab	oklab(55.34% -0.0078 -0.1885)
OKLCH	oklch(55.34% 0.189 267.6)
XYZ	xyz(20.3808, 16.0217, 71.8161)
Luminance	0.1602 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4366DF #DFBC43

analogous

#43B4DF #4366DF #6E43DF

triadic

#4366DF #DF4366 #66DF43

tetradic

#4366DF #DF43B4 #DFBC43 #43DF6E

square

#4366DF #DF43B4 #DFBC43 #43DF6E

split-complementary

#4366DF #DF6E43 #B4DF43

monochromatic

#18338F #2146C4 #4366DF #7791E8 #ACBBF1

Accessibility & contrast

On white

4.99

#4366DF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#4366DF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4366DF

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4366DF	#FFFFFF	#000000	##FFFFFF
##4366DF	1.00	4.99	4.20	4.99
#FFFFFF	4.99	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	4.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0077E3

Deuteranopia (green-blind)

#0069DD

Tritanopia (blue-blind)

#008399

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #4366df;
/* rgb */ color: rgb(67, 102, 223);
/* oklch */ color: oklch(55.3% 0.189 267.6);

Tailwind

colors: {
  custom: {
    50: '#8a91ea',
    500: '#4366df',
    950: '#000000',
  },
}

SCSS

$custom: #4366df;
$custom-light: #8a91ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4366df",
  "rgb": {
    "r": 67,
    "g": 102,
    "b": 223
  },
  "hsl": {
    "h": 226.538,
    "s": 70.909,
    "l": 56.863
  },
  "oklch": {
    "l": 0.55341,
    "c": 0.18863,
    "h": 267.6
  },
  "luminance": 0.16024
}

Semantic roles & 50–950 ramp

primary

#4366DF

secondary

#DFD09F

accent

#C53AEE

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4366DF

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

Preview Lab → · Contrast checker → · Palette generator →