#4366C9#4366C9

#4366C9 is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.7% C 0.159 H 266.5°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#4366C9
RGB	rgb(67, 102, 201)
HSL	hsl(224, 55%, 53%)
HSV	hsv(224, 67%, 79%)
CMYK	cmyk(66.7%, 49.3%, 0%, 21.2%)
CIE-LAB	lab(45.51, 19.88, -55.32)
CIE-LCH	lch(45.51, 58.78, 289.76°)
OKLab	oklab(53.74% -0.0098 -0.1586)
OKLCH	oklch(53.74% 0.159 266.5)
XYZ	xyz(17.6051, 14.9114, 57.1974)
Luminance	0.1491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4366C9 #C9A643

analogous

#43A9C9 #4366C9 #6343C9

triadic

#4366C9 #C94366 #66C943

tetradic

#4366C9 #C943A9 #C9A643 #43C963

square

#4366C9 #C943A9 #C9A643 #43C963

split-complementary

#4366C9 #C96343 #A9C943

monochromatic

#203671 #2E4CA1 #4366C9 #738DD7 #A2B3E4

Accessibility & contrast

On white

5.27

#4366C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#4366C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4366C9

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4366C9	#FFFFFF	#000000	##FFFFFF
##4366C9	1.00	5.27	3.98	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F72CD

Deuteranopia (green-blind)

#0666C7

Tritanopia (blue-blind)

#007D8E

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #4366c9;
/* rgb */ color: rgb(67, 102, 201);
/* oklch */ color: oklch(53.7% 0.159 266.5);

Tailwind

colors: {
  custom: {
    50: '#8591da',
    500: '#4366c9',
    950: '#000000',
  },
}

SCSS

$custom: #4366c9;
$custom-light: #8591da;
$custom-dark: #000000;

JSON

{
  "hex": "#4366c9",
  "rgb": {
    "r": 67,
    "g": 102,
    "b": 201
  },
  "hsl": {
    "h": 224.328,
    "s": 55.372,
    "l": 52.549
  },
  "oklch": {
    "l": 0.53739,
    "c": 0.15891,
    "h": 266.5
  },
  "luminance": 0.14913
}

Semantic roles & 50–950 ramp

primary

#4366C9

secondary

#D1C297

accent

#B849DF

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4366C9

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

Preview Lab → · Contrast checker → · Palette generator →