#4140DA#4140DA

#4140DA is a mid, highly saturated blue. Relative luminance 0.099; OKLCH L 48.2% C 0.226 H 274.2°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#4140DA
RGB	rgb(65, 64, 218)
HSL	hsl(240, 68%, 55%)
HSV	hsv(240, 71%, 85%)
CMYK	cmyk(70.2%, 70.6%, 0%, 14.5%)
CIE-LAB	lab(37.57, 48.92, -78.03)
CIE-LCH	lch(37.57, 92.10, 302.09°)
OKLab	oklab(48.25% 0.0164 -0.2256)
OKLCH	oklch(48.25% 0.226 274.2)
XYZ	xyz(16.6641, 9.8510, 67.3393)
Luminance	0.0985 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.40

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4140DA #D9DA40

analogous

#408CDA #4140DA #8E40DA

triadic

#4140DA #DA4140 #40DA41

tetradic

#4140DA #DA408C #D9DA40 #40DA8E

square

#4140DA #DA408C #D9DA40 #40DA8E

split-complementary

#4140DA #DA8E40 #8CDA40

monochromatic

#1B1A86 #2524B9 #4140DA #7473E4 #A7A7EE

Accessibility & contrast

On white

7.07

#4140DA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#4140DA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4140DA

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4140DA	#FFFFFF	#000000	##FFFFFF
##4140DA	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060DF

Deuteranopia (green-blind)

#0051D7

Tritanopia (blue-blind)

#006B89

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4140da;
/* rgb */ color: rgb(65, 64, 218);
/* oklch */ color: oklch(48.2% 0.226 274.2);

Tailwind

colors: {
  custom: {
    50: '#8b76e7',
    500: '#4140da',
    950: '#000000',
  },
}

SCSS

$custom: #4140da;
$custom-light: #8b76e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4140da",
  "rgb": {
    "r": 65,
    "g": 64,
    "b": 218
  },
  "hsl": {
    "h": 240.39,
    "s": 67.544,
    "l": 55.294
  },
  "oklch": {
    "l": 0.48248,
    "c": 0.22622,
    "h": 274.2
  },
  "luminance": 0.09853
}

Semantic roles & 50–950 ramp

primary

#4140DA

secondary

#DBDB9B

accent

#EA3DE9

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4140DA

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

Preview Lab → · Contrast checker → · Palette generator →