#4340D1#4340D1

#4340D1 is a mid, highly saturated blue. Relative luminance 0.095; OKLCH L 47.5% C 0.215 H 275.4°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#4340D1
RGB	rgb(67, 64, 209)
HSL	hsl(241, 61%, 54%)
HSV	hsv(241, 69%, 82%)
CMYK	cmyk(67.9%, 69.4%, 0%, 18%)
CIE-LAB	lab(36.86, 46.23, -74.02)
CIE-LCH	lch(36.86, 87.27, 301.99°)
OKLab	oklab(47.51% 0.0201 -0.2138)
OKLCH	oklch(47.51% 0.215 275.4)
XYZ	xyz(15.6530, 9.4621, 61.3107)
Luminance	0.0946 (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

#4340D1 #CED140

analogous

#4085D1 #4340D1 #8B40D1

triadic

#4340D1 #D14340 #40D143

tetradic

#4340D1 #D14085 #CED140 #40D18B

square

#4340D1 #D14085 #CED140 #40D18B

split-complementary

#4340D1 #D18B40 #85D140

monochromatic

#1F1D79 #2C29AB #4340D1 #7471DD #A4A3E9

Accessibility & contrast

On white

7.26

#4340D1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#4340D1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4340D1

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4340D1	#FFFFFF	#000000	##FFFFFF
##4340D1	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD5

Deuteranopia (green-blind)

#0050CE

Tritanopia (blue-blind)

#006884

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4340d1;
/* rgb */ color: rgb(67, 64, 209);
/* oklch */ color: oklch(47.5% 0.215 275.4);

Tailwind

colors: {
  custom: {
    50: '#8a76e0',
    500: '#4340d1',
    950: '#000000',
  },
}

SCSS

$custom: #4340d1;
$custom-light: #8a76e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4340d1",
  "rgb": {
    "r": 67,
    "g": 64,
    "b": 209
  },
  "hsl": {
    "h": 241.241,
    "s": 61.181,
    "l": 53.529
  },
  "oklch": {
    "l": 0.47514,
    "c": 0.2148,
    "h": 275.4
  },
  "luminance": 0.09464
}

Semantic roles & 50–950 ramp

primary

#4340D1

secondary

#D4D597

accent

#E444E1

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4340D1

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

Preview Lab → · Contrast checker → · Palette generator →