#3967CF#3967CF

#3967CF is a mid, vivid blue. Relative luminance 0.151; OKLCH L 53.9% C 0.169 H 263.7°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#3967CF
RGB	rgb(57, 103, 207)
HSL	hsl(222, 61%, 52%)
HSV	hsv(222, 72%, 81%)
CMYK	cmyk(72.5%, 50.2%, 0%, 18.8%)
CIE-LAB	lab(45.73, 19.95, -58.43)
CIE-LCH	lch(45.73, 61.74, 288.85°)
OKLab	oklab(53.91% -0.0184 -0.1679)
OKLCH	oklch(53.91% 0.169 263.7)
XYZ	xyz(17.7961, 15.0734, 60.9910)
Luminance	0.1507 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3967CF #CFA139

analogous

#39B2CF #3967CF #5639CF

triadic

#3967CF #CF3967 #67CF39

tetradic

#3967CF #CF39B2 #CFA139 #39CF56

square

#3967CF #CF39B2 #CFA139 #39CF56

split-complementary

#3967CF #CF5639 #B2CF39

monochromatic

#1C3672 #284DA3 #3967CF #6A8DDB #9CB3E7

Accessibility & contrast

On white

5.23

#3967CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#3967CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3967CF

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3967CF	#FFFFFF	#000000	##FFFFFF
##3967CF	1.00	5.23	4.01	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2874D3

Deuteranopia (green-blind)

#0066CD

Tritanopia (blue-blind)

#008091

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3967cf;
/* rgb */ color: rgb(57, 103, 207);
/* oklch */ color: oklch(53.9% 0.169 263.7);

Tailwind

colors: {
  custom: {
    50: '#8291de',
    500: '#3967cf',
    950: '#000000',
  },
}

SCSS

$custom: #3967cf;
$custom-light: #8291de;
$custom-dark: #000000;

JSON

{
  "hex": "#3967cf",
  "rgb": {
    "r": 57,
    "g": 103,
    "b": 207
  },
  "hsl": {
    "h": 221.6,
    "s": 60.976,
    "l": 51.765
  },
  "oklch": {
    "l": 0.53912,
    "c": 0.16893,
    "h": 263.7
  },
  "luminance": 0.15075
}

Semantic roles & 50–950 ramp

primary

#3967CF

secondary

#D3BF91

accent

#B344E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3967CF

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

Preview Lab → · Contrast checker → · Palette generator →