#3F4BDC#3F4BDC

#3F4BDC is a mid, highly saturated blue. Relative luminance 0.113; OKLCH L 50.0% C 0.217 H 272.0°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#3F4BDC
RGB	rgb(63, 75, 220)
HSL	hsl(235, 69%, 55%)
HSV	hsv(235, 71%, 86%)
CMYK	cmyk(71.4%, 65.9%, 0%, 13.7%)
CIE-LAB	lab(40.01, 42.93, -75.18)
CIE-LCH	lch(40.01, 86.58, 299.73°)
OKLab	oklab(50.03% 0.0075 -0.2173)
OKLCH	oklch(50.03% 0.217 272)
XYZ	xyz(17.4799, 11.2545, 68.9474)
Luminance	0.1126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.62

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4BDC #DCD03F

analogous

#3F99DC #3F4BDC #813FDC

triadic

#3F4BDC #DC3F4B #4BDC3F

tetradic

#3F4BDC #DC3F99 #DCD03F #3FDC81

square

#3F4BDC #DC3F99 #DCD03F #3FDC81

split-complementary

#3F4BDC #DC813F #99DC3F

monochromatic

#192188 #222EBC #3F4BDC #737CE5 #A7ACEF

Accessibility & contrast

On white

6.46

#3F4BDC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#3F4BDC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F4BDC

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4BDC	#FFFFFF	#000000	##FFFFFF
##3F4BDC	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066E1

Deuteranopia (green-blind)

#0057D9

Tritanopia (blue-blind)

#00728D

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3f4bdc;
/* rgb */ color: rgb(63, 75, 220);
/* oklch */ color: oklch(50.0% 0.217 272.0);

Tailwind

colors: {
  custom: {
    50: '#897de8',
    500: '#3f4bdc',
    950: '#000000',
  },
}

SCSS

$custom: #3f4bdc;
$custom-light: #897de8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4bdc",
  "rgb": {
    "r": 63,
    "g": 75,
    "b": 220
  },
  "hsl": {
    "h": 235.414,
    "s": 69.163,
    "l": 55.49
  },
  "oklch": {
    "l": 0.50028,
    "c": 0.21747,
    "h": 272
  },
  "luminance": 0.11256
}

Semantic roles & 50–950 ramp

primary

#3F4BDC

secondary

#DCD79B

accent

#DF3CEC

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #3F4BDC

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

Preview Lab → · Contrast checker → · Palette generator →