#4340CF#4340CF

#4340CF is a mid, highly saturated blue. Relative luminance 0.094; OKLCH L 47.3% C 0.212 H 275.5°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#4340CF
RGB	rgb(67, 64, 207)
HSL	hsl(241, 60%, 53%)
HSV	hsv(241, 69%, 81%)
CMYK	cmyk(67.6%, 69.1%, 0%, 18.8%)
CIE-LAB	lab(36.68, 45.57, -73.16)
CIE-LCH	lch(36.68, 86.20, 301.92°)
OKLab	oklab(47.33% 0.0204 -0.2113)
OKLCH	oklch(47.33% 0.212 275.5)
XYZ	xyz(15.4069, 9.3637, 60.0148)
Luminance	0.0936 (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

#4340CF #CCCF40

analogous

#4084CF #4340CF #8B40CF

triadic

#4340CF #CF4340 #40CF43

tetradic

#4340CF #CF4084 #CCCF40 #40CF8B

square

#4340CF #CF4084 #CCCF40 #40CF8B

split-complementary

#4340CF #CF8B40 #84CF40

monochromatic

#201E77 #2D2AA8 #4340CF #7371DB #A3A2E8

Accessibility & contrast

On white

7.31

#4340CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#4340CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4340CF

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4340CF	#FFFFFF	#000000	##FFFFFF
##4340CF	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD3

Deuteranopia (green-blind)

#0050CC

Tritanopia (blue-blind)

#006783

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4340cf;
/* rgb */ color: rgb(67, 64, 207);
/* oklch */ color: oklch(47.3% 0.212 275.5);

Tailwind

colors: {
  custom: {
    50: '#8976df',
    500: '#4340cf',
    950: '#000000',
  },
}

SCSS

$custom: #4340cf;
$custom-light: #8976df;
$custom-dark: #000000;

JSON

{
  "hex": "#4340cf",
  "rgb": {
    "r": 67,
    "g": 64,
    "b": 207
  },
  "hsl": {
    "h": 241.259,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.47326,
    "c": 0.21233,
    "h": 275.5
  },
  "luminance": 0.09365
}

Semantic roles & 50–950 ramp

primary

#4340CF

secondary

#D3D497

accent

#E345E0

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4340CF

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

Preview Lab → · Contrast checker → · Palette generator →