#3F4BC2#3F4BC2

#3F4BC2 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.7% C 0.184 H 272.8°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#3F4BC2
RGB	rgb(63, 75, 194)
HSL	hsl(235, 52%, 50%)
HSV	hsv(235, 68%, 76%)
CMYK	cmyk(67.5%, 61.3%, 0%, 23.9%)
CIE-LAB	lab(37.81, 33.99, -63.75)
CIE-LCH	lch(37.81, 72.25, 298.06°)
OKLab	oklab(47.74% 0.0091 -0.1838)
OKLCH	oklch(47.74% 0.184 272.8)
XYZ	xyz(14.3003, 9.9826, 52.2017)
Luminance	0.0998 (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

#3F4BC2 #C2B63F

analogous

#3F8CC2 #3F4BC2 #743FC2

triadic

#3F4BC2 #C23F4B #4BC23F

tetradic

#3F4BC2 #C23F8C #C2B63F #3FC274

square

#3F4BC2 #C23F8C #C2B63F #3FC274

split-complementary

#3F4BC2 #C2743F #8CC23F

monochromatic

#202766 #2F3895 #3F4BC2 #6D77D1 #9CA2E0

Accessibility & contrast

On white

7.01

#3F4BC2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#3F4BC2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F4BC2

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4BC2	#FFFFFF	#000000	##FFFFFF
##3F4BC2	1.00	7.01	3.00	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC6

Deuteranopia (green-blind)

#0053C0

Tritanopia (blue-blind)

#00697F

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3f4bc2;
/* rgb */ color: rgb(63, 75, 194);
/* oklch */ color: oklch(47.7% 0.184 272.8);

Tailwind

colors: {
  custom: {
    50: '#847dd5',
    500: '#3f4bc2',
    950: '#000000',
  },
}

SCSS

$custom: #3f4bc2;
$custom-light: #847dd5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4bc2",
  "rgb": {
    "r": 63,
    "g": 75,
    "b": 194
  },
  "hsl": {
    "h": 234.504,
    "s": 51.779,
    "l": 50.392
  },
  "oklch": {
    "l": 0.47743,
    "c": 0.18407,
    "h": 272.8
  },
  "luminance": 0.09984
}

Semantic roles & 50–950 ramp

primary

#3F4BC2

secondary

#CCC691

accent

#CE4DDB

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3F4BC2

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

Preview Lab → · Contrast checker → · Palette generator →