#4340C8#4340C8

#4340C8 is a mid, highly saturated blue. Relative luminance 0.090; OKLCH L 46.7% C 0.204 H 276.0°. Best body text is #FFFFFF at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#4340C8
RGB	rgb(67, 64, 200)
HSL	hsl(241, 55%, 52%)
HSV	hsv(241, 68%, 78%)
CMYK	cmyk(66.5%, 68%, 0%, 21.6%)
CIE-LAB	lab(36.04, 43.28, -70.14)
CIE-LCH	lch(36.04, 82.42, 301.68°)
OKLab	oklab(46.68% 0.0214 -0.2025)
OKLCH	oklch(46.68% 0.204 276)
XYZ	xyz(14.5700, 9.0289, 55.6073)
Luminance	0.0903 (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

#4340C8 #C5C840

analogous

#4081C8 #4340C8 #8740C8

triadic

#4340C8 #C84340 #40C843

tetradic

#4340C8 #C84081 #C5C840 #40C887

square

#4340C8 #C84081 #C5C840 #40C887

split-complementary

#4340C8 #C88740 #81C840

monochromatic

#21206E #302D9D #4340C8 #7270D6 #A19FE3

Accessibility & contrast

On white

7.48

#4340C8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#4340C8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4340C8

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4340C8	#FFFFFF	#000000	##FFFFFF
##4340C8	1.00	7.48	2.81	7.48
#FFFFFF	7.48	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BCC

Deuteranopia (green-blind)

#004FC5

Tritanopia (blue-blind)

#00647F

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4340c8;
/* rgb */ color: rgb(67, 64, 200);
/* oklch */ color: oklch(46.7% 0.204 276.0);

Tailwind

colors: {
  custom: {
    50: '#8876da',
    500: '#4340c8',
    950: '#000000',
  },
}

SCSS

$custom: #4340c8;
$custom-light: #8876da;
$custom-dark: #000000;

JSON

{
  "hex": "#4340c8",
  "rgb": {
    "r": 67,
    "g": 64,
    "b": 200
  },
  "hsl": {
    "h": 241.324,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.46675,
    "c": 0.20363,
    "h": 276
  },
  "luminance": 0.0903
}

Semantic roles & 50–950 ramp

primary

#4340C8

secondary

#CED094

accent

#DF49DB

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4340C8

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

Preview Lab → · Contrast checker → · Palette generator →