#3F4BD6#3F4BD6

#3F4BD6 is a mid, highly saturated blue. Relative luminance 0.109; OKLCH L 49.5% C 0.210 H 272.2°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#3F4BD6
RGB	rgb(63, 75, 214)
HSL	hsl(235, 65%, 54%)
HSV	hsv(235, 71%, 84%)
CMYK	cmyk(70.6%, 65%, 0%, 16.1%)
CIE-LAB	lab(39.48, 40.89, -72.60)
CIE-LCH	lch(39.48, 83.32, 299.39°)
OKLab	oklab(49.49% 0.008 -0.2098)
OKLCH	oklch(49.49% 0.21 272.2)
XYZ	xyz(16.6995, 10.9423, 64.8373)
Luminance	0.1094 (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

#3F4BD6 #D6CA3F

analogous

#3F97D6 #3F4BD6 #7F3FD6

triadic

#3F4BD6 #D63F4B #4BD63F

tetradic

#3F4BD6 #D63F97 #D6CA3F #3FD67F

square

#3F4BD6 #D63F97 #D6CA3F #3FD67F

split-complementary

#3F4BD6 #D67F3F #97D63F

monochromatic

#1B237F #2631B2 #3F4BD6 #717AE1 #A4AAEC

Accessibility & contrast

On white

6.59

#3F4BD6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#3F4BD6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F4BD6

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4BD6	#FFFFFF	#000000	##FFFFFF
##3F4BD6	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064DA

Deuteranopia (green-blind)

#0056D3

Tritanopia (blue-blind)

#00708A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3f4bd6;
/* rgb */ color: rgb(63, 75, 214);
/* oklch */ color: oklch(49.5% 0.210 272.2);

Tailwind

colors: {
  custom: {
    50: '#887de4',
    500: '#3f4bd6',
    950: '#000000',
  },
}

SCSS

$custom: #3f4bd6;
$custom-light: #887de4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4bd6",
  "rgb": {
    "r": 63,
    "g": 75,
    "b": 214
  },
  "hsl": {
    "h": 235.232,
    "s": 64.807,
    "l": 54.314
  },
  "oklch": {
    "l": 0.49487,
    "c": 0.20993,
    "h": 272.2
  },
  "luminance": 0.10944
}

Semantic roles & 50–950 ramp

primary

#3F4BD6

secondary

#D8D398

accent

#DA40E8

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #3F4BD6

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

Preview Lab → · Contrast checker → · Palette generator →