#3967B2#3967B2

#3967B2 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 51.9% C 0.129 H 259.7°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#3967B2
RGB	rgb(57, 103, 178)
HSL	hsl(217, 51%, 46%)
HSV	hsv(217, 68%, 70%)
CMYK	cmyk(68%, 42.1%, 0%, 30.2%)
CIE-LAB	lab(43.92, 9.32, -44.56)
CIE-LCH	lch(43.92, 45.52, 281.82°)
OKLab	oklab(51.94% -0.0231 -0.1271)
OKLCH	oklch(51.94% 0.129 259.7)
XYZ	xyz(14.5706, 13.7832, 44.0034)
Luminance	0.1379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3967B2 #B28439

analogous

#39A3B2 #3967B2 #4739B2

triadic

#3967B2 #B23967 #67B239

tetradic

#3967B2 #B239A3 #B28439 #39B247

square

#3967B2 #B239A3 #B28439 #39B247

split-complementary

#3967B2 #B24739 #A3B239

monochromatic

#1B3155 #2A4C84 #3967B2 #5D87CB #8BA9DA

Accessibility & contrast

On white

5.59

#3967B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#3967B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3967B2

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3967B2	#FFFFFF	#000000	##FFFFFF
##3967B2	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#446EB5

Deuteranopia (green-blind)

#3163B0

Tritanopia (blue-blind)

#007884

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3967b2;
/* rgb */ color: rgb(57, 103, 178);
/* oklch */ color: oklch(51.9% 0.129 259.7);

Tailwind

colors: {
  custom: {
    50: '#7d91c9',
    500: '#3967b2',
    950: '#000000',
  },
}

SCSS

$custom: #3967b2;
$custom-light: #7d91c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3967b2",
  "rgb": {
    "r": 57,
    "g": 103,
    "b": 178
  },
  "hsl": {
    "h": 217.19,
    "s": 51.489,
    "l": 46.078
  },
  "oklch": {
    "l": 0.51936,
    "c": 0.12921,
    "h": 259.7
  },
  "luminance": 0.13785
}

Semantic roles & 50–950 ramp

primary

#3967B2

secondary

#C4AB82

accent

#A54DDB

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3967B2

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

Preview Lab → · Contrast checker → · Palette generator →