#4040C2#4040C2

#4040C2 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.9% C 0.197 H 275.4°. Best body text is #FFFFFF at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#4040C2
RGB	rgb(64, 64, 194)
HSL	hsl(240, 52%, 51%)
HSV	hsv(240, 67%, 76%)
CMYK	cmyk(67%, 67%, 0%, 23.9%)
CIE-LAB	lab(35.30, 40.91, -67.86)
CIE-LCH	lch(35.30, 79.23, 301.09°)
OKLab	oklab(45.93% 0.0185 -0.1959)
OKLCH	oklch(45.93% 0.197 275.4)
XYZ	xyz(13.6821, 8.6506, 51.9772)
Luminance	0.0865 (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

#4040C2 #C2C240

analogous

#4081C2 #4040C2 #8140C2

triadic

#4040C2 #C24040 #40C240

tetradic

#4040C2 #C24081 #C2C240 #40C281

square

#4040C2 #C24081 #C2C240 #40C281

split-complementary

#4040C2 #C28140 #81C240

monochromatic

#212167 #303095 #4040C2 #6E6ED1 #9D9DE0

Accessibility & contrast

On white

7.69

#4040C2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#4040C2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4040C2

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4040C2	#FFFFFF	#000000	##FFFFFF
##4040C2	1.00	7.69	2.73	7.69
#FFFFFF	7.69	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C6

Deuteranopia (green-blind)

#004DC0

Tritanopia (blue-blind)

#00627B

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4040c2;
/* rgb */ color: rgb(64, 64, 194);
/* oklch */ color: oklch(45.9% 0.197 275.4);

Tailwind

colors: {
  custom: {
    50: '#8575d6',
    500: '#4040c2',
    950: '#000000',
  },
}

SCSS

$custom: #4040c2;
$custom-light: #8575d6;
$custom-dark: #000000;

JSON

{
  "hex": "#4040c2",
  "rgb": {
    "r": 64,
    "g": 64,
    "b": 194
  },
  "hsl": {
    "h": 240,
    "s": 51.587,
    "l": 50.588
  },
  "oklch": {
    "l": 0.45926,
    "c": 0.19677,
    "h": 275.4
  },
  "luminance": 0.08652
}

Semantic roles & 50–950 ramp

primary

#4040C2

secondary

#CCCC92

accent

#DB4DDB

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #4040C2

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

Preview Lab → · Contrast checker → · Palette generator →