#4340C9#4340C9

#4340C9 is a mid, highly saturated blue. Relative luminance 0.091; OKLCH L 46.8% C 0.205 H 275.9°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#4340C9
RGB	rgb(67, 64, 201)
HSL	hsl(241, 56%, 52%)
HSV	hsv(241, 68%, 79%)
CMYK	cmyk(66.7%, 68.2%, 0%, 21.2%)
CIE-LAB	lab(36.13, 43.61, -70.58)
CIE-LCH	lch(36.13, 82.96, 301.71°)
OKLab	oklab(46.77% 0.0212 -0.2038)
OKLCH	oklch(46.77% 0.205 275.9)
XYZ	xyz(14.6873, 9.0758, 56.2248)
Luminance	0.0908 (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

#4340C9 #C6C940

analogous

#4082C9 #4340C9 #8840C9

triadic

#4340C9 #C94340 #40C943

tetradic

#4340C9 #C94082 #C6C940 #40C988

square

#4340C9 #C94082 #C6C940 #40C988

split-complementary

#4340C9 #C98840 #82C940

monochromatic

#211F6F #2F2D9F #4340C9 #7270D6 #A19FE4

Accessibility & contrast

On white

7.46

#4340C9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#4340C9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4340C9

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4340C9	#FFFFFF	#000000	##FFFFFF
##4340C9	1.00	7.46	2.82	7.46
#FFFFFF	7.46	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BCD

Deuteranopia (green-blind)

#004FC6

Tritanopia (blue-blind)

#00657F

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4340c9;
/* rgb */ color: rgb(67, 64, 201);
/* oklch */ color: oklch(46.8% 0.205 275.9);

Tailwind

colors: {
  custom: {
    50: '#8876db',
    500: '#4340c9',
    950: '#000000',
  },
}

SCSS

$custom: #4340c9;
$custom-light: #8876db;
$custom-dark: #000000;

JSON

{
  "hex": "#4340c9",
  "rgb": {
    "r": 67,
    "g": 64,
    "b": 201
  },
  "hsl": {
    "h": 241.314,
    "s": 55.918,
    "l": 51.961
  },
  "oklch": {
    "l": 0.46767,
    "c": 0.20489,
    "h": 275.9
  },
  "luminance": 0.09077
}

Semantic roles & 50–950 ramp

primary

#4340C9

secondary

#CFD094

accent

#DF49DC

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4340C9

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

Preview Lab → · Contrast checker → · Palette generator →