#4140CD#4140CD

#4140CD is a mid, highly saturated blue. Relative luminance 0.092; OKLCH L 47.0% C 0.210 H 275.0°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#4140CD
RGB	rgb(65, 64, 205)
HSL	hsl(240, 59%, 53%)
HSV	hsv(240, 69%, 80%)
CMYK	cmyk(68.3%, 68.8%, 0%, 19.6%)
CIE-LAB	lab(36.36, 44.68, -72.53)
CIE-LCH	lch(36.36, 85.18, 301.64°)
OKLab	oklab(47.01% 0.0183 -0.2095)
OKLCH	oklch(47.01% 0.21 275)
XYZ	xyz(15.0292, 9.1970, 58.7289)
Luminance	0.0920 (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

#4140CD #CCCD40

analogous

#4085CD #4140CD #8840CD

triadic

#4140CD #CD4140 #40CD41

tetradic

#4140CD #CD4085 #CCCD40 #40CD88

square

#4140CD #CD4085 #CCCD40 #40CD88

split-complementary

#4140CD #CD8840 #85CD40

monochromatic

#1F1E74 #2C2BA5 #4140CD #7171DA #A1A1E6

Accessibility & contrast

On white

7.40

#4140CD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#4140CD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4140CD

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4140CD	#FFFFFF	#000000	##FFFFFF
##4140CD	1.00	7.40	2.84	7.40
#FFFFFF	7.40	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CD1

Deuteranopia (green-blind)

#004FCA

Tritanopia (blue-blind)

#006681

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4140cd;
/* rgb */ color: rgb(65, 64, 205);
/* oklch */ color: oklch(47.0% 0.210 275.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#4140cd",
  "rgb": {
    "r": 65,
    "g": 64,
    "b": 205
  },
  "hsl": {
    "h": 240.426,
    "s": 58.506,
    "l": 52.745
  },
  "oklch": {
    "l": 0.4701,
    "c": 0.21034,
    "h": 275
  },
  "luminance": 0.09198
}

Semantic roles & 50–950 ramp

primary

#4140CD

secondary

#D3D396

accent

#E246E1

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4140CD

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

Preview Lab → · Contrast checker → · Palette generator →