#3967CD#3967CD

#3967CD is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.8% C 0.166 H 263.5°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#3967CD
RGB	rgb(57, 103, 205)
HSL	hsl(221, 60%, 51%)
HSV	hsv(221, 72%, 80%)
CMYK	cmyk(72.2%, 49.8%, 0%, 19.6%)
CIE-LAB	lab(45.60, 19.21, -57.50)
CIE-LCH	lch(45.60, 60.62, 288.48°)
OKLab	oklab(53.77% -0.0187 -0.1652)
OKLCH	oklch(53.77% 0.166 263.5)
XYZ	xyz(17.5531, 14.9763, 59.7114)
Luminance	0.1498 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3967CD #CD9F39

analogous

#39B1CD #3967CD #5539CD

triadic

#3967CD #CD3967 #67CD39

tetradic

#3967CD #CD39B1 #CD9F39 #39CD55

square

#3967CD #CD39B1 #CD9F39 #39CD55

split-complementary

#3967CD #CD5539 #B1CD39

monochromatic

#1C366F #284EA0 #3967CD #6A8DD9 #9BB2E6

Accessibility & contrast

On white

5.26

#3967CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#3967CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3967CD

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3967CD	#FFFFFF	#000000	##FFFFFF
##3967CD	1.00	5.26	4.00	5.26
#FFFFFF	5.26	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B73D1

Deuteranopia (green-blind)

#0066CB

Tritanopia (blue-blind)

#007F90

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3967cd;
/* rgb */ color: rgb(57, 103, 205);
/* oklch */ color: oklch(53.8% 0.166 263.5);

Tailwind

colors: {
  custom: {
    50: '#8291dd',
    500: '#3967cd',
    950: '#000000',
  },
}

SCSS

$custom: #3967cd;
$custom-light: #8291dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3967cd",
  "rgb": {
    "r": 57,
    "g": 103,
    "b": 205
  },
  "hsl": {
    "h": 221.351,
    "s": 59.677,
    "l": 51.373
  },
  "oklch": {
    "l": 0.53769,
    "c": 0.16623,
    "h": 263.5
  },
  "luminance": 0.14978
}

Semantic roles & 50–950 ramp

primary

#3967CD

secondary

#D2BD90

accent

#B245E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3967CD

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

Preview Lab → · Contrast checker → · Palette generator →