#4366CB#4366CB

#4366CB is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.9% C 0.162 H 266.6°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#4366CB
RGB	rgb(67, 102, 203)
HSL	hsl(225, 57%, 53%)
HSV	hsv(225, 67%, 80%)
CMYK	cmyk(67%, 49.8%, 0%, 20.4%)
CIE-LAB	lab(45.64, 20.59, -56.26)
CIE-LCH	lch(45.64, 59.91, 290.10°)
OKLab	oklab(53.88% -0.0096 -0.1614)
OKLCH	oklch(53.88% 0.162 266.6)
XYZ	xyz(17.8419, 15.0061, 58.4445)
Luminance	0.1501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4366CB #CBA843

analogous

#43AACB #4366CB #6443CB

triadic

#4366CB #CB4366 #66CB43

tetradic

#4366CB #CB43AA #CBA843 #43CB64

square

#4366CB #CB43AA #CBA843 #43CB64

split-complementary

#4366CB #CB6443 #AACB43

monochromatic

#203674 #2D4CA4 #4366CB #738DD8 #A3B4E6

Accessibility & contrast

On white

5.25

#4366CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#4366CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4366CB

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4366CB	#FFFFFF	#000000	##FFFFFF
##4366CB	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D73CF

Deuteranopia (green-blind)

#0066C9

Tritanopia (blue-blind)

#007E8F

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #4366cb;
/* rgb */ color: rgb(67, 102, 203);
/* oklch */ color: oklch(53.9% 0.162 266.6);

Tailwind

colors: {
  custom: {
    50: '#8691db',
    500: '#4366cb',
    950: '#000000',
  },
}

SCSS

$custom: #4366cb;
$custom-light: #8691db;
$custom-dark: #000000;

JSON

{
  "hex": "#4366cb",
  "rgb": {
    "r": 67,
    "g": 102,
    "b": 203
  },
  "hsl": {
    "h": 224.559,
    "s": 56.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.53879,
    "c": 0.16166,
    "h": 266.6
  },
  "luminance": 0.15008
}

Semantic roles & 50–950 ramp

primary

#4366CB

secondary

#D2C398

accent

#B948E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4366CB

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

Preview Lab → · Contrast checker → · Palette generator →