#4340CE#4340CE

#4340CE is a mid, highly saturated blue. Relative luminance 0.093; OKLCH L 47.2% C 0.211 H 275.6°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#4340CE
RGB	rgb(67, 64, 206)
HSL	hsl(241, 59%, 53%)
HSV	hsv(241, 69%, 81%)
CMYK	cmyk(67.5%, 68.9%, 0%, 19.2%)
CIE-LAB	lab(36.58, 45.25, -72.73)
CIE-LCH	lch(36.58, 85.66, 301.89°)
OKLab	oklab(47.23% 0.0206 -0.2101)
OKLCH	oklch(47.23% 0.211 275.6)
XYZ	xyz(15.2850, 9.3149, 59.3730)
Luminance	0.0932 (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

#4340CE #CBCE40

analogous

#4084CE #4340CE #8A40CE

triadic

#4340CE #CE4340 #40CE43

tetradic

#4340CE #CE4084 #CBCE40 #40CE8A

square

#4340CE #CE4084 #CBCE40 #40CE8A

split-complementary

#4340CE #CE8A40 #84CE40

monochromatic

#201E75 #2D2BA6 #4340CE #7371DA #A3A1E7

Accessibility & contrast

On white

7.33

#4340CE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#4340CE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4340CE

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4340CE	#FFFFFF	#000000	##FFFFFF
##4340CE	1.00	7.33	2.86	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CD2

Deuteranopia (green-blind)

#0050CB

Tritanopia (blue-blind)

#006782

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4340ce;
/* rgb */ color: rgb(67, 64, 206);
/* oklch */ color: oklch(47.2% 0.211 275.6);

Tailwind

colors: {
  custom: {
    50: '#8976de',
    500: '#4340ce',
    950: '#000000',
  },
}

SCSS

$custom: #4340ce;
$custom-light: #8976de;
$custom-dark: #000000;

JSON

{
  "hex": "#4340ce",
  "rgb": {
    "r": 67,
    "g": 64,
    "b": 206
  },
  "hsl": {
    "h": 241.268,
    "s": 59.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.47233,
    "c": 0.2111,
    "h": 275.6
  },
  "luminance": 0.09316
}

Semantic roles & 50–950 ramp

primary

#4340CE

secondary

#D2D496

accent

#E245DF

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4340CE

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

Preview Lab → · Contrast checker → · Palette generator →