#3968B2#3968B2

#3968B2 is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.2% C 0.128 H 259.2°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#3968B2
RGB	rgb(57, 104, 178)
HSL	hsl(217, 51%, 46%)
HSV	hsv(217, 68%, 70%)
CMYK	cmyk(68%, 41.6%, 0%, 30.2%)
CIE-LAB	lab(44.21, 8.69, -44.10)
CIE-LCH	lch(44.21, 44.94, 281.15°)
OKLab	oklab(52.16% -0.0241 -0.1258)
OKLCH	oklch(52.16% 0.128 259.2)
XYZ	xyz(14.6707, 13.9834, 44.0368)
Luminance	0.1399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3968B2 #B28339

analogous

#39A4B2 #3968B2 #4639B2

triadic

#3968B2 #B23968 #68B239

tetradic

#3968B2 #B239A4 #B28339 #39B246

square

#3968B2 #B239A4 #B28339 #39B246

split-complementary

#3968B2 #B24639 #A4B239

monochromatic

#1B3255 #2A4D84 #3968B2 #5D88CB #8BAADA

Accessibility & contrast

On white

5.53

#3968B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#3968B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3968B2

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3968B2	#FFFFFF	#000000	##FFFFFF
##3968B2	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#466FB5

Deuteranopia (green-blind)

#3363B0

Tritanopia (blue-blind)

#007984

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3968b2;
/* rgb */ color: rgb(57, 104, 178);
/* oklch */ color: oklch(52.2% 0.128 259.2);

Tailwind

colors: {
  custom: {
    50: '#7d92c9',
    500: '#3968b2',
    950: '#000000',
  },
}

SCSS

$custom: #3968b2;
$custom-light: #7d92c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3968b2",
  "rgb": {
    "r": 57,
    "g": 104,
    "b": 178
  },
  "hsl": {
    "h": 216.694,
    "s": 51.489,
    "l": 46.078
  },
  "oklch": {
    "l": 0.5216,
    "c": 0.12806,
    "h": 259.2
  },
  "luminance": 0.13985
}

Semantic roles & 50–950 ramp

primary

#3968B2

secondary

#C4AB82

accent

#A44DDB

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0D13

muted

#7C7D82

Preview Lab

Preview with #3968B2

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

Preview Lab → · Contrast checker → · Palette generator →