#3967BF#3967BF

#3967BF is a mid, vivid blue. Relative luminance 0.143; OKLCH L 52.8% C 0.147 H 261.9°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#3967BF
RGB	rgb(57, 103, 191)
HSL	hsl(219, 54%, 49%)
HSV	hsv(219, 70%, 75%)
CMYK	cmyk(70.2%, 46.1%, 0%, 25.1%)
CIE-LAB	lab(44.70, 14.07, -50.87)
CIE-LCH	lch(44.70, 52.78, 285.46°)
OKLab	oklab(52.79% -0.0207 -0.1457)
OKLCH	oklch(52.79% 0.147 261.9)
XYZ	xyz(15.9382, 14.3303, 51.2062)
Luminance	0.1433 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3967BF #BF9139

analogous

#39AABF #3967BF #4E39BF

triadic

#3967BF #BF3967 #67BF39

tetradic

#3967BF #BF39AA #BF9139 #39BF4E

square

#3967BF #BF39AA #BF9139 #39BF4E

split-complementary

#3967BF #BF4E39 #AABF39

monochromatic

#1D3461 #2B4E90 #3967BF #648AD1 #93ADDF

Accessibility & contrast

On white

5.43

#3967BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#3967BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3967BF

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3967BF	#FFFFFF	#000000	##FFFFFF
##3967BF	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A70C2

Deuteranopia (green-blind)

#1E64BD

Tritanopia (blue-blind)

#007C8A

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3967bf;
/* rgb */ color: rgb(57, 103, 191);
/* oklch */ color: oklch(52.8% 0.147 261.9);

Tailwind

colors: {
  custom: {
    50: '#7f91d3',
    500: '#3967bf',
    950: '#000000',
  },
}

SCSS

$custom: #3967bf;
$custom-light: #7f91d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3967bf",
  "rgb": {
    "r": 57,
    "g": 103,
    "b": 191
  },
  "hsl": {
    "h": 219.403,
    "s": 54.032,
    "l": 48.627
  },
  "oklch": {
    "l": 0.52792,
    "c": 0.14715,
    "h": 261.9
  },
  "luminance": 0.14332
}

Semantic roles & 50–950 ramp

primary

#3967BF

secondary

#CAB48A

accent

#AB4ADD

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3967BF

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

Preview Lab → · Contrast checker → · Palette generator →