#4366DB#4366DB

#4366DB is a mid, vivid blue. Relative luminance 0.158; OKLCH L 55.0% C 0.183 H 267.5°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#4366DB
RGB	rgb(67, 102, 219)
HSL	hsl(226, 68%, 56%)
HSV	hsv(226, 69%, 86%)
CMYK	cmyk(69.4%, 53.4%, 0%, 14.1%)
CIE-LAB	lab(46.72, 26.28, -63.65)
CIE-LCH	lch(46.72, 68.87, 292.44°)
OKLab	oklab(55.04% -0.0081 -0.1831)
OKLCH	oklch(55.04% 0.183 267.5)
XYZ	xyz(19.8479, 15.8085, 69.0094)
Luminance	0.1581 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4366DB #DBB843

analogous

#43B2DB #4366DB #6C43DB

triadic

#4366DB #DB4366 #66DB43

tetradic

#4366DB #DB43B2 #DBB843 #43DB6C

square

#4366DB #DB43B2 #DBB843 #43DB6C

split-complementary

#4366DB #DB6C43 #B2DB43

monochromatic

#1A3489 #2447BD #4366DB #7690E5 #AABAEF

Accessibility & contrast

On white

5.05

#4366DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#4366DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4366DB

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4366DB	#FFFFFF	#000000	##FFFFFF
##4366DB	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B76DF

Deuteranopia (green-blind)

#0068D9

Tritanopia (blue-blind)

#008297

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #4366db;
/* rgb */ color: rgb(67, 102, 219);
/* oklch */ color: oklch(55.0% 0.183 267.5);

Tailwind

colors: {
  custom: {
    50: '#8991e7',
    500: '#4366db',
    950: '#000000',
  },
}

SCSS

$custom: #4366db;
$custom-light: #8991e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4366db",
  "rgb": {
    "r": 67,
    "g": 102,
    "b": 219
  },
  "hsl": {
    "h": 226.184,
    "s": 67.857,
    "l": 56.078
  },
  "oklch": {
    "l": 0.55041,
    "c": 0.18331,
    "h": 267.5
  },
  "luminance": 0.15811
}

Semantic roles & 50–950 ramp

primary

#4366DB

secondary

#DCCE9E

accent

#C33DEB

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4366DB

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

Preview Lab → · Contrast checker → · Palette generator →