#3967B9#3967B9

#3967B9 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 52.4% C 0.139 H 261.0°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#3967B9
RGB	rgb(57, 103, 185)
HSL	hsl(218, 53%, 47%)
HSV	hsv(218, 69%, 73%)
CMYK	cmyk(69.2%, 44.3%, 0%, 27.5%)
CIE-LAB	lab(44.34, 11.87, -47.98)
CIE-LCH	lch(44.34, 49.42, 283.90°)
OKLab	oklab(52.39% -0.0217 -0.1372)
OKLCH	oklch(52.39% 0.139 261)
XYZ	xyz(15.2914, 14.0716, 47.7997)
Luminance	0.1407 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3967B9 #B98B39

analogous

#39A7B9 #3967B9 #4B39B9

triadic

#3967B9 #B93967 #67B939

tetradic

#3967B9 #B939A7 #B98B39 #39B94B

square

#3967B9 #B939A7 #B98B39 #39B94B

split-complementary

#3967B9 #B94B39 #A7B939

monochromatic

#1C335B #2B4D8A #3967B9 #6188CE #90ABDD

Accessibility & contrast

On white

5.51

#3967B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#3967B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3967B9

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3967B9	#FFFFFF	#000000	##FFFFFF
##3967B9	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F6FBC

Deuteranopia (green-blind)

#2863B7

Tritanopia (blue-blind)

#007A87

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3967b9;
/* rgb */ color: rgb(57, 103, 185);
/* oklch */ color: oklch(52.4% 0.139 261.0);

Tailwind

colors: {
  custom: {
    50: '#7e91ce',
    500: '#3967b9',
    950: '#000000',
  },
}

SCSS

$custom: #3967b9;
$custom-light: #7e91ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3967b9",
  "rgb": {
    "r": 57,
    "g": 103,
    "b": 185
  },
  "hsl": {
    "h": 218.438,
    "s": 52.893,
    "l": 47.451
  },
  "oklch": {
    "l": 0.52391,
    "c": 0.13889,
    "h": 261
  },
  "luminance": 0.14073
}

Semantic roles & 50–950 ramp

primary

#3967B9

secondary

#C8B086

accent

#A84BDC

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3967B9

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

Preview Lab → · Contrast checker → · Palette generator →