#3968BC#3968BC

#3968BC is a mid, vivid blue. Relative luminance 0.144; OKLCH L 52.8% C 0.142 H 261.0°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#3968BC
RGB	rgb(57, 104, 188)
HSL	hsl(218, 53%, 48%)
HSV	hsv(218, 70%, 74%)
CMYK	cmyk(69.7%, 44.7%, 0%, 26.3%)
CIE-LAB	lab(44.80, 12.34, -48.97)
CIE-LCH	lch(44.80, 50.50, 284.14°)
OKLab	oklab(52.81% -0.0221 -0.1401)
OKLCH	oklch(52.81% 0.142 261)
XYZ	xyz(15.7115, 14.3997, 49.5186)
Luminance	0.1440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3968BC #BC8D39

analogous

#39A9BC #3968BC #4B39BC

triadic

#3968BC #BC3968 #68BC39

tetradic

#3968BC #BC39A9 #BC8D39 #39BC4B

square

#3968BC #BC39A9 #BC8D39 #39BC4B

split-complementary

#3968BC #BC4B39 #A9BC39

monochromatic

#1D345E #2B4E8D #3968BC #638AD0 #92ADDE

Accessibility & contrast

On white

5.41

#3968BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#3968BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3968BC

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3968BC	#FFFFFF	#000000	##FFFFFF
##3968BC	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E70BF

Deuteranopia (green-blind)

#2664BA

Tritanopia (blue-blind)

#007C89

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3968bc;
/* rgb */ color: rgb(57, 104, 188);
/* oklch */ color: oklch(52.8% 0.142 261.0);

Tailwind

colors: {
  custom: {
    50: '#7f92d1',
    500: '#3968bc',
    950: '#000000',
  },
}

SCSS

$custom: #3968bc;
$custom-light: #7f92d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3968bc",
  "rgb": {
    "r": 57,
    "g": 104,
    "b": 188
  },
  "hsl": {
    "h": 218.473,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.52808,
    "c": 0.14184,
    "h": 261
  },
  "luminance": 0.14401
}

Semantic roles & 50–950 ramp

primary

#3968BC

secondary

#C9B288

accent

#A94BDD

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0D14

muted

#7C7D82

Preview Lab

Preview with #3968BC

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

Preview Lab → · Contrast checker → · Palette generator →