#3F4DC2#3F4DC2

#3F4DC2 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 48.1% C 0.182 H 272.4°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#3F4DC2
RGB	rgb(63, 77, 194)
HSL	hsl(234, 52%, 50%)
HSV	hsv(234, 68%, 76%)
CMYK	cmyk(67.5%, 60.3%, 0%, 23.9%)
CIE-LAB	lab(38.30, 32.72, -62.95)
CIE-LCH	lch(38.30, 70.95, 297.47°)
OKLab	oklab(48.11% 0.0075 -0.1815)
OKLCH	oklch(48.11% 0.182 272.4)
XYZ	xyz(14.4381, 10.2582, 52.2476)
Luminance	0.1026 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4DC2 #C2B43F

analogous

#3F8EC2 #3F4DC2 #723FC2

triadic

#3F4DC2 #C23F4D #4DC23F

tetradic

#3F4DC2 #C23F8E #C2B43F #3FC272

square

#3F4DC2 #C23F8E #C2B43F #3FC272

split-complementary

#3F4DC2 #C2723F #8EC23F

monochromatic

#202866 #2F3A95 #3F4DC2 #6D78D1 #9CA3E0

Accessibility & contrast

On white

6.88

#3F4DC2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#3F4DC2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F4DC2

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4DC2	#FFFFFF	#000000	##FFFFFF
##3F4DC2	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C6

Deuteranopia (green-blind)

#0054C0

Tritanopia (blue-blind)

#006A80

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3f4dc2;
/* rgb */ color: rgb(63, 77, 194);
/* oklch */ color: oklch(48.1% 0.182 272.4);

Tailwind

colors: {
  custom: {
    50: '#847ed5',
    500: '#3f4dc2',
    950: '#000000',
  },
}

SCSS

$custom: #3f4dc2;
$custom-light: #847ed5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4dc2",
  "rgb": {
    "r": 63,
    "g": 77,
    "b": 194
  },
  "hsl": {
    "h": 233.588,
    "s": 51.779,
    "l": 50.392
  },
  "oklch": {
    "l": 0.48106,
    "c": 0.18164,
    "h": 272.4
  },
  "luminance": 0.1026
}

Semantic roles & 50–950 ramp

primary

#3F4DC2

secondary

#CCC591

accent

#CC4DDB

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3F4DC2

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

Preview Lab → · Contrast checker → · Palette generator →