#4340CA#4340CA

#4340CA is a mid, highly saturated blue. Relative luminance 0.091; OKLCH L 46.9% C 0.206 H 275.9°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#4340CA
RGB	rgb(67, 64, 202)
HSL	hsl(241, 57%, 52%)
HSV	hsv(241, 68%, 79%)
CMYK	cmyk(66.8%, 68.3%, 0%, 20.8%)
CIE-LAB	lab(36.22, 43.94, -71.01)
CIE-LCH	lch(36.22, 83.51, 301.75°)
OKLab	oklab(46.86% 0.0211 -0.205)
OKLCH	oklch(46.86% 0.206 275.9)
XYZ	xyz(14.8053, 9.1230, 56.8464)
Luminance	0.0912 (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

#4340CA #C7CA40

analogous

#4082CA #4340CA #8840CA

triadic

#4340CA #CA4340 #40CA43

tetradic

#4340CA #CA4082 #C7CA40 #40CA88

square

#4340CA #CA4082 #C7CA40 #40CA88

split-complementary

#4340CA #CA8840 #82CA40

monochromatic

#211F70 #2F2CA0 #4340CA #7270D7 #A1A0E5

Accessibility & contrast

On white

7.43

#4340CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#4340CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4340CA

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4340CA	#FFFFFF	#000000	##FFFFFF
##4340CA	1.00	7.43	2.82	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BCE

Deuteranopia (green-blind)

#004FC7

Tritanopia (blue-blind)

#006580

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4340ca;
/* rgb */ color: rgb(67, 64, 202);
/* oklch */ color: oklch(46.9% 0.206 275.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#4340ca",
  "rgb": {
    "r": 67,
    "g": 64,
    "b": 202
  },
  "hsl": {
    "h": 241.304,
    "s": 56.557,
    "l": 52.157
  },
  "oklch": {
    "l": 0.4686,
    "c": 0.20613,
    "h": 275.9
  },
  "luminance": 0.09124
}

Semantic roles & 50–950 ramp

primary

#4340CA

secondary

#D0D195

accent

#E048DD

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4340CA

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

Preview Lab → · Contrast checker → · Palette generator →