#3F4CDA#3F4CDA

#3F4CDA is a mid, highly saturated blue. Relative luminance 0.113; OKLCH L 50.0% C 0.214 H 271.9°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#3F4CDA
RGB	rgb(63, 76, 218)
HSL	hsl(235, 68%, 55%)
HSV	hsv(235, 71%, 85%)
CMYK	cmyk(71.1%, 65.1%, 0%, 14.5%)
CIE-LAB	lab(40.06, 41.65, -73.95)
CIE-LCH	lch(40.06, 84.87, 299.39°)
OKLab	oklab(50.01% 0.0071 -0.2137)
OKLCH	oklch(50.01% 0.214 271.9)
XYZ	xyz(17.2850, 11.2859, 67.5835)
Luminance	0.1129 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.77

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4CDA #DACD3F

analogous

#3F99DA #3F4CDA #803FDA

triadic

#3F4CDA #DA3F4C #4CDA3F

tetradic

#3F4CDA #DA3F99 #DACD3F #3FDA80

square

#3F4CDA #DA3F99 #DACD3F #3FDA80

split-complementary

#3F4CDA #DA803F #99DA3F

monochromatic

#1A2385 #2430B8 #3F4CDA #727CE4 #A6ACEE

Accessibility & contrast

On white

6.45

#3F4CDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#3F4CDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F4CDA

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4CDA	#FFFFFF	#000000	##FFFFFF
##3F4CDA	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066DE

Deuteranopia (green-blind)

#0057D7

Tritanopia (blue-blind)

#00728C

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3f4cda;
/* rgb */ color: rgb(63, 76, 218);
/* oklch */ color: oklch(50.0% 0.214 271.9);

Tailwind

colors: {
  custom: {
    50: '#897ee7',
    500: '#3f4cda',
    950: '#000000',
  },
}

SCSS

$custom: #3f4cda;
$custom-light: #897ee7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4cda",
  "rgb": {
    "r": 63,
    "g": 76,
    "b": 218
  },
  "hsl": {
    "h": 234.968,
    "s": 67.686,
    "l": 55.098
  },
  "oklch": {
    "l": 0.50012,
    "c": 0.21385,
    "h": 271.9
  },
  "luminance": 0.11288
}

Semantic roles & 50–950 ramp

primary

#3F4CDA

secondary

#DBD59A

accent

#DC3DEB

background

#F9F7FE

surface

#F1EEFD

border

#CBC9D5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #3F4CDA

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

Preview Lab → · Contrast checker → · Palette generator →