#3F4DD6#3F4DD6

#3F4DD6 is a mid, highly saturated blue. Relative luminance 0.112; OKLCH L 49.8% C 0.208 H 271.8°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#3F4DD6
RGB	rgb(63, 77, 214)
HSL	hsl(234, 65%, 54%)
HSV	hsv(234, 71%, 84%)
CMYK	cmyk(70.6%, 64%, 0%, 16.1%)
CIE-LAB	lab(39.95, 39.67, -71.84)
CIE-LCH	lch(39.95, 82.07, 298.91°)
OKLab	oklab(49.82% 0.0067 -0.2075)
OKLCH	oklch(49.82% 0.208 271.8)
XYZ	xyz(16.8373, 11.2179, 64.8832)
Luminance	0.1122 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4DD6 #D6C83F

analogous

#3F99D6 #3F4DD6 #7D3FD6

triadic

#3F4DD6 #D63F4D #4DD63F

tetradic

#3F4DD6 #D63F99 #D6C83F #3FD67D

square

#3F4DD6 #D63F99 #D6C83F #3FD67D

split-complementary

#3F4DD6 #D67D3F #99D63F

monochromatic

#1B247F #2633B2 #3F4DD6 #717CE1 #A4ABEC

Accessibility & contrast

On white

6.47

#3F4DD6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#3F4DD6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F4DD6

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4DD6	#FFFFFF	#000000	##FFFFFF
##3F4DD6	1.00	6.47	3.24	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065DA

Deuteranopia (green-blind)

#0057D3

Tritanopia (blue-blind)

#00718A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3f4dd6;
/* rgb */ color: rgb(63, 77, 214);
/* oklch */ color: oklch(49.8% 0.208 271.8);

Tailwind

colors: {
  custom: {
    50: '#887fe4',
    500: '#3f4dd6',
    950: '#000000',
  },
}

SCSS

$custom: #3f4dd6;
$custom-light: #887fe4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4dd6",
  "rgb": {
    "r": 63,
    "g": 77,
    "b": 214
  },
  "hsl": {
    "h": 234.437,
    "s": 64.807,
    "l": 54.314
  },
  "oklch": {
    "l": 0.49824,
    "c": 0.20766,
    "h": 271.8
  },
  "luminance": 0.1122
}

Semantic roles & 50–950 ramp

primary

#3F4DD6

secondary

#D8D298

accent

#D840E8

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #3F4DD6

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

Preview Lab → · Contrast checker → · Palette generator →