#4367E3#4367E3

#4367E3 is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.8% C 0.193 H 267.5°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#4367E3
RGB	rgb(67, 103, 227)
HSL	hsl(227, 74%, 58%)
HSV	hsv(227, 70%, 89%)
CMYK	cmyk(70.5%, 54.6%, 0%, 11%)
CIE-LAB	lab(47.54, 28.50, -66.85)
CIE-LCH	lch(47.54, 72.67, 293.09°)
OKLab	oklab(55.84% -0.0084 -0.1925)
OKLCH	oklch(55.84% 0.193 267.5)
XYZ	xyz(21.0253, 16.4377, 74.7229)
Luminance	0.1644 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4367E3 #E3BF43

analogous

#43B7E3 #4367E3 #6F43E3

triadic

#4367E3 #E34367 #67E343

tetradic

#4367E3 #E343B7 #E3BF43 #43E36F

square

#4367E3 #E343B7 #E3BF43 #43E36F

split-complementary

#4367E3 #E36F43 #B7E343

monochromatic

#163395 #1E45CB #4367E3 #7892EB #AEBDF3

Accessibility & contrast

On white

4.90

#4367E3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#4367E3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4367E3

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4367E3	#FFFFFF	#000000	##FFFFFF
##4367E3	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078E7

Deuteranopia (green-blind)

#006AE1

Tritanopia (blue-blind)

#00859B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4367e3;
/* rgb */ color: rgb(67, 103, 227);
/* oklch */ color: oklch(55.8% 0.193 267.5);

Tailwind

colors: {
  custom: {
    50: '#8a91ed',
    500: '#4367e3',
    950: '#000000',
  },
}

SCSS

$custom: #4367e3;
$custom-light: #8a91ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4367e3",
  "rgb": {
    "r": 67,
    "g": 103,
    "b": 227
  },
  "hsl": {
    "h": 226.5,
    "s": 74.074,
    "l": 57.647
  },
  "oklch": {
    "l": 0.55838,
    "c": 0.19271,
    "h": 267.5
  },
  "luminance": 0.1644
}

Semantic roles & 50–950 ramp

primary

#4367E3

secondary

#E1D3A1

accent

#C737F1

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4367E3

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

Preview Lab → · Contrast checker → · Palette generator →