#3967D3#3967D3

#3967D3 is a mid, vivid blue. Relative luminance 0.153; OKLCH L 54.2% C 0.174 H 264.1°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#3967D3
RGB	rgb(57, 103, 211)
HSL	hsl(222, 64%, 53%)
HSV	hsv(222, 73%, 83%)
CMYK	cmyk(73%, 51.2%, 0%, 17.3%)
CIE-LAB	lab(46.00, 21.41, -60.28)
CIE-LCH	lch(46.00, 63.97, 289.56°)
OKLab	oklab(54.2% -0.018 -0.1734)
OKLCH	oklch(54.2% 0.174 264.1)
XYZ	xyz(18.2913, 15.2715, 63.5991)
Luminance	0.1527 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3967D3 #D3A539

analogous

#39B4D3 #3967D3 #5839D3

triadic

#3967D3 #D33967 #67D339

tetradic

#3967D3 #D339B4 #D3A539 #39D358

square

#3967D3 #D339B4 #D3A539 #39D358

split-complementary

#3967D3 #D35839 #B4D339

monochromatic

#1A3677 #264DA9 #3967D3 #6B8DDE #9DB4E9

Accessibility & contrast

On white

5.18

#3967D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#3967D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3967D3

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3967D3	#FFFFFF	#000000	##FFFFFF
##3967D3	1.00	5.18	4.05	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2174D7

Deuteranopia (green-blind)

#0066D1

Tritanopia (blue-blind)

#008193

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3967d3;
/* rgb */ color: rgb(57, 103, 211);
/* oklch */ color: oklch(54.2% 0.174 264.1);

Tailwind

colors: {
  custom: {
    50: '#8391e1',
    500: '#3967d3',
    950: '#000000',
  },
}

SCSS

$custom: #3967d3;
$custom-light: #8391e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3967d3",
  "rgb": {
    "r": 57,
    "g": 103,
    "b": 211
  },
  "hsl": {
    "h": 222.078,
    "s": 63.636,
    "l": 52.549
  },
  "oklch": {
    "l": 0.54203,
    "c": 0.17431,
    "h": 264.1
  },
  "luminance": 0.15274
}

Semantic roles & 50–950 ramp

primary

#3967D3

secondary

#D5C192

accent

#B541E7

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3967D3

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

Preview Lab → · Contrast checker → · Palette generator →