#3F49D6#3F49D6

#3F49D6 is a mid, highly saturated blue. Relative luminance 0.107; OKLCH L 49.2% C 0.212 H 272.5°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#3F49D6
RGB	rgb(63, 73, 214)
HSL	hsl(236, 65%, 54%)
HSV	hsv(236, 71%, 84%)
CMYK	cmyk(70.6%, 65.9%, 0%, 16.1%)
CIE-LAB	lab(39.03, 42.10, -73.35)
CIE-LCH	lch(39.03, 84.57, 299.86°)
OKLab	oklab(49.16% 0.0093 -0.212)
OKLCH	oklch(49.16% 0.212 272.5)
XYZ	xyz(16.5660, 10.6753, 64.7928)
Luminance	0.1068 (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

#3F49D6 #D6CC3F

analogous

#3F95D6 #3F49D6 #803FD6

triadic

#3F49D6 #D63F49 #49D63F

tetradic

#3F49D6 #D63F95 #D6CC3F #3FD680

square

#3F49D6 #D63F95 #D6CC3F #3FD680

split-complementary

#3F49D6 #D6803F #95D63F

monochromatic

#1B227F #262FB2 #3F49D6 #7179E1 #A4A9EC

Accessibility & contrast

On white

6.70

#3F49D6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#3F49D6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F49D6

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F49D6	#FFFFFF	#000000	##FFFFFF
##3F49D6	1.00	6.70	3.14	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063DA

Deuteranopia (green-blind)

#0055D3

Tritanopia (blue-blind)

#006E89

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3f49d6;
/* rgb */ color: rgb(63, 73, 214);
/* oklch */ color: oklch(49.2% 0.212 272.5);

Tailwind

colors: {
  custom: {
    50: '#887ce4',
    500: '#3f49d6',
    950: '#000000',
  },
}

SCSS

$custom: #3f49d6;
$custom-light: #887ce4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f49d6",
  "rgb": {
    "r": 63,
    "g": 73,
    "b": 214
  },
  "hsl": {
    "h": 236.026,
    "s": 64.807,
    "l": 54.314
  },
  "oklch": {
    "l": 0.49155,
    "c": 0.21217,
    "h": 272.5
  },
  "luminance": 0.10677
}

Semantic roles & 50–950 ramp

primary

#3F49D6

secondary

#D8D498

accent

#DD40E8

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #3F49D6

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

Preview Lab → · Contrast checker → · Palette generator →