#4340DF#4340DF

#4340DF is a mid, highly saturated blue. Relative luminance 0.102; OKLCH L 48.9% C 0.232 H 274.5°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#4340DF
RGB	rgb(67, 64, 223)
HSL	hsl(241, 71%, 56%)
HSV	hsv(241, 71%, 87%)
CMYK	cmyk(70%, 71.3%, 0%, 12.5%)
CIE-LAB	lab(38.17, 50.74, -79.90)
CIE-LCH	lch(38.17, 94.65, 302.42°)
OKLab	oklab(48.85% 0.018 -0.231)
OKLCH	oklch(48.85% 0.232 274.5)
XYZ	xyz(17.4630, 10.1861, 70.8435)
Luminance	0.1019 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4340DF #DCDF40

analogous

#408DDF #4340DF #9340DF

triadic

#4340DF #DF4340 #40DF43

tetradic

#4340DF #DF408D #DCDF40 #40DF93

square

#4340DF #DF408D #DCDF40 #40DF93

split-complementary

#4340DF #DF9340 #8DDF40

monochromatic

#1A188D #2320C1 #4340DF #7774E8 #AAA9F1

Accessibility & contrast

On white

6.91

#4340DF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#4340DF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4340DF

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4340DF	#FFFFFF	#000000	##FFFFFF
##4340DF	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061E4

Deuteranopia (green-blind)

#0052DC

Tritanopia (blue-blind)

#006D8B

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #4340df;
/* rgb */ color: rgb(67, 64, 223);
/* oklch */ color: oklch(48.9% 0.232 274.5);

Tailwind

colors: {
  custom: {
    50: '#8c76ea',
    500: '#4340df',
    950: '#000000',
  },
}

SCSS

$custom: #4340df;
$custom-light: #8c76ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4340df",
  "rgb": {
    "r": 67,
    "g": 64,
    "b": 223
  },
  "hsl": {
    "h": 241.132,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.48853,
    "c": 0.23172,
    "h": 274.5
  },
  "luminance": 0.10188
}

Semantic roles & 50–950 ramp

primary

#4340DF

secondary

#DDDE9D

accent

#EE3AEB

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4340DF

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

Preview Lab → · Contrast checker → · Palette generator →