#4140C7#4140C7

#4140C7 is a mid, highly saturated blue. Relative luminance 0.089; OKLCH L 46.5% C 0.203 H 275.4°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#4140C7
RGB	rgb(65, 64, 199)
HSL	hsl(240, 55%, 52%)
HSV	hsv(240, 68%, 78%)
CMYK	cmyk(67.3%, 67.8%, 0%, 22%)
CIE-LAB	lab(35.82, 42.70, -69.93)
CIE-LCH	lch(35.82, 81.94, 301.41°)
OKLab	oklab(46.45% 0.0191 -0.2019)
OKLCH	oklch(46.45% 0.203 275.4)
XYZ	xyz(14.3188, 8.9128, 54.9875)
Luminance	0.0891 (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

#4140C7 #C6C740

analogous

#4083C7 #4140C7 #8440C7

triadic

#4140C7 #C74140 #40C741

tetradic

#4140C7 #C74083 #C6C740 #40C784

square

#4140C7 #C74083 #C6C740 #40C784

split-complementary

#4140C7 #C78440 #83C740

monochromatic

#20206D #2F2E9C #4140C7 #706FD5 #9F9FE3

Accessibility & contrast

On white

7.55

#4140C7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#4140C7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4140C7

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4140C7	#FFFFFF	#000000	##FFFFFF
##4140C7	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ACB

Deuteranopia (green-blind)

#004EC4

Tritanopia (blue-blind)

#00647E

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #4140c7;
/* rgb */ color: rgb(65, 64, 199);
/* oklch */ color: oklch(46.5% 0.203 275.4);

Tailwind

colors: {
  custom: {
    50: '#8776d9',
    500: '#4140c7',
    950: '#000000',
  },
}

SCSS

$custom: #4140c7;
$custom-light: #8776d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4140c7",
  "rgb": {
    "r": 65,
    "g": 64,
    "b": 199
  },
  "hsl": {
    "h": 240.444,
    "s": 54.656,
    "l": 51.569
  },
  "oklch": {
    "l": 0.46451,
    "c": 0.20285,
    "h": 275.4
  },
  "luminance": 0.08914
}

Semantic roles & 50–950 ramp

primary

#4140C7

secondary

#CFCF94

accent

#DE4ADD

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4140C7

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

Preview Lab → · Contrast checker → · Palette generator →