#3F5FC2#3F5FC2

#3F5FC2 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.6% C 0.159 H 267.2°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#3F5FC2
RGB	rgb(63, 95, 194)
HSL	hsl(225, 52%, 50%)
HSV	hsv(225, 68%, 76%)
CMYK	cmyk(67.5%, 51%, 0%, 23.9%)
CIE-LAB	lab(42.97, 21.20, -55.39)
CIE-LCH	lch(42.97, 59.31, 290.95°)
OKLab	oklab(51.6% -0.0079 -0.159)
OKLCH	oklch(51.6% 0.159 267.2)
XYZ	xyz(15.8763, 13.1347, 52.7270)
Luminance	0.1314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5FC2 #C2A23F

analogous

#3FA0C2 #3F5FC2 #613FC2

triadic

#3F5FC2 #C23F5F #5FC23F

tetradic

#3F5FC2 #C23FA0 #C2A23F #3FC261

square

#3F5FC2 #C23FA0 #C2A23F #3FC261

split-complementary

#3F5FC2 #C2613F #A0C23F

monochromatic

#203166 #2F4895 #3F5FC2 #6D86D1 #9CACE0

Accessibility & contrast

On white

5.79

#3F5FC2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#3F5FC2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F5FC2

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5FC2	#FFFFFF	#000000	##FFFFFF
##3F5FC2	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#246CC6

Deuteranopia (green-blind)

#0060C0

Tritanopia (blue-blind)

#007687

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3f5fc2;
/* rgb */ color: rgb(63, 95, 194);
/* oklch */ color: oklch(51.6% 0.159 267.2);

Tailwind

colors: {
  custom: {
    50: '#838bd5',
    500: '#3f5fc2',
    950: '#000000',
  },
}

SCSS

$custom: #3f5fc2;
$custom-light: #838bd5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5fc2",
  "rgb": {
    "r": 63,
    "g": 95,
    "b": 194
  },
  "hsl": {
    "h": 225.344,
    "s": 51.779,
    "l": 50.392
  },
  "oklch": {
    "l": 0.51602,
    "c": 0.15919,
    "h": 267.2
  },
  "luminance": 0.13136
}

Semantic roles & 50–950 ramp

primary

#3F5FC2

secondary

#CCBD91

accent

#B84DDB

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #3F5FC2

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

Preview Lab → · Contrast checker → · Palette generator →