#4140CC#4140CC

#4140CC is a mid, highly saturated blue. Relative luminance 0.091; OKLCH L 46.9% C 0.209 H 275.1°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#4140CC
RGB	rgb(65, 64, 204)
HSL	hsl(240, 58%, 53%)
HSV	hsv(240, 69%, 80%)
CMYK	cmyk(68.1%, 68.6%, 0%, 20%)
CIE-LAB	lab(36.27, 44.35, -72.10)
CIE-LCH	lch(36.27, 84.65, 301.60°)
OKLab	oklab(46.92% 0.0184 -0.2083)
OKLCH	oklch(46.92% 0.209 275.1)
XYZ	xyz(14.9089, 9.1489, 58.0953)
Luminance	0.0915 (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

#4140CC #CBCC40

analogous

#4085CC #4140CC #8740CC

triadic

#4140CC #CC4140 #40CC41

tetradic

#4140CC #CC4085 #CBCC40 #40CC87

square

#4140CC #CC4085 #CBCC40 #40CC87

split-complementary

#4140CC #CC8740 #85CC40

monochromatic

#1F1F73 #2C2CA3 #4140CC #7170D9 #A1A1E6

Accessibility & contrast

On white

7.42

#4140CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#4140CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4140CC

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4140CC	#FFFFFF	#000000	##FFFFFF
##4140CC	1.00	7.42	2.83	7.42
#FFFFFF	7.42	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CD0

Deuteranopia (green-blind)

#004FC9

Tritanopia (blue-blind)

#006681

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4140cc;
/* rgb */ color: rgb(65, 64, 204);
/* oklch */ color: oklch(46.9% 0.209 275.1);

Tailwind

colors: {
  custom: {
    50: '#8876dd',
    500: '#4140cc',
    950: '#000000',
  },
}

SCSS

$custom: #4140cc;
$custom-light: #8876dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4140cc",
  "rgb": {
    "r": 65,
    "g": 64,
    "b": 204
  },
  "hsl": {
    "h": 240.429,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.46916,
    "c": 0.20909,
    "h": 275.1
  },
  "luminance": 0.0915
}

Semantic roles & 50–950 ramp

primary

#4140CC

secondary

#D2D295

accent

#E147E0

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4140CC

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

Preview Lab → · Contrast checker → · Palette generator →