#3967BC#3967BC

#3967BC is a mid, vivid blue. Relative luminance 0.142; OKLCH L 52.6% C 0.143 H 261.5°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#3967BC
RGB	rgb(57, 103, 188)
HSL	hsl(219, 53%, 48%)
HSV	hsv(219, 70%, 74%)
CMYK	cmyk(69.7%, 45.2%, 0%, 26.3%)
CIE-LAB	lab(44.52, 12.97, -49.43)
CIE-LCH	lch(44.52, 51.10, 284.70°)
OKLab	oklab(52.59% -0.0212 -0.1414)
OKLCH	oklch(52.59% 0.143 261.5)
XYZ	xyz(15.6115, 14.1996, 49.4853)
Luminance	0.1420 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3967BC #BC8E39

analogous

#39A8BC #3967BC #4C39BC

triadic

#3967BC #BC3967 #67BC39

tetradic

#3967BC #BC39A8 #BC8E39 #39BC4C

square

#3967BC #BC39A8 #BC8E39 #39BC4C

split-complementary

#3967BC #BC4C39 #A8BC39

monochromatic

#1D345E #2B4D8D #3967BC #6389D0 #92ACDE

Accessibility & contrast

On white

5.47

#3967BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#3967BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3967BC

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3967BC	#FFFFFF	#000000	##FFFFFF
##3967BC	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D70BF

Deuteranopia (green-blind)

#2364BA

Tritanopia (blue-blind)

#007B88

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3967bc;
/* rgb */ color: rgb(57, 103, 188);
/* oklch */ color: oklch(52.6% 0.143 261.5);

Tailwind

colors: {
  custom: {
    50: '#7f91d1',
    500: '#3967bc',
    950: '#000000',
  },
}

SCSS

$custom: #3967bc;
$custom-light: #7f91d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3967bc",
  "rgb": {
    "r": 57,
    "g": 103,
    "b": 188
  },
  "hsl": {
    "h": 218.931,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.5259,
    "c": 0.14303,
    "h": 261.5
  },
  "luminance": 0.14201
}

Semantic roles & 50–950 ramp

primary

#3967BC

secondary

#C9B288

accent

#AA4BDD

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3967BC

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

Preview Lab → · Contrast checker → · Palette generator →