#4040CD#4040CD

#4040CD is a mid, highly saturated blue. Relative luminance 0.092; OKLCH L 46.9% C 0.211 H 274.7°. Best body text is #FFFFFF at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#4040CD
RGB	rgb(64, 64, 205)
HSL	hsl(240, 59%, 53%)
HSV	hsv(240, 69%, 80%)
CMYK	cmyk(68.8%, 68.8%, 0%, 19.6%)
CIE-LAB	lab(36.30, 44.57, -72.63)
CIE-LCH	lch(36.30, 85.22, 301.53°)
OKLab	oklab(46.95% 0.0171 -0.2099)
OKLCH	oklch(46.95% 0.211 274.7)
XYZ	xyz(14.9635, 9.1632, 58.7259)
Luminance	0.0916 (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

#4040CD #CDCD40

analogous

#4086CD #4040CD #8640CD

triadic

#4040CD #CD4040 #40CD40

tetradic

#4040CD #CD4086 #CDCD40 #40CD86

square

#4040CD #CD4086 #CDCD40 #40CD86

split-complementary

#4040CD #CD8640 #86CD40

monochromatic

#1E1E74 #2B2BA5 #4040CD #7171DA #A1A1E6

Accessibility & contrast

On white

7.41

#4040CD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#4040CD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4040CD

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4040CD	#FFFFFF	#000000	##FFFFFF
##4040CD	1.00	7.41	2.83	7.41
#FFFFFF	7.41	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CD1

Deuteranopia (green-blind)

#004FCA

Tritanopia (blue-blind)

#006681

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4040cd;
/* rgb */ color: rgb(64, 64, 205);
/* oklch */ color: oklch(46.9% 0.211 274.7);

Tailwind

colors: {
  custom: {
    50: '#8776dd',
    500: '#4040cd',
    950: '#000000',
  },
}

SCSS

$custom: #4040cd;
$custom-light: #8776dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4040cd",
  "rgb": {
    "r": 64,
    "g": 64,
    "b": 205
  },
  "hsl": {
    "h": 240,
    "s": 58.506,
    "l": 52.745
  },
  "oklch": {
    "l": 0.46947,
    "c": 0.21058,
    "h": 274.7
  },
  "luminance": 0.09165
}

Semantic roles & 50–950 ramp

primary

#4040CD

secondary

#D3D396

accent

#E246E2

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4040CD

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

Preview Lab → · Contrast checker → · Palette generator →