#3968B5#3968B5

#3968B5 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 52.4% C 0.132 H 259.8°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#3968B5
RGB	rgb(57, 104, 181)
HSL	hsl(217, 52%, 47%)
HSV	hsv(217, 69%, 71%)
CMYK	cmyk(68.5%, 42.5%, 0%, 29%)
CIE-LAB	lab(44.38, 9.78, -45.57)
CIE-LCH	lch(44.38, 46.61, 282.11°)
OKLab	oklab(52.35% -0.0235 -0.1301)
OKLCH	oklch(52.35% 0.132 259.8)
XYZ	xyz(14.9752, 14.1052, 45.6405)
Luminance	0.1411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3968B5 #B58639

analogous

#39A6B5 #3968B5 #4839B5

triadic

#3968B5 #B53968 #68B539

tetradic

#3968B5 #B539A6 #B58639 #39B548

square

#3968B5 #B539A6 #B58639 #39B548

split-complementary

#3968B5 #B54839 #A6B539

monochromatic

#1C3358 #2A4D86 #3968B5 #5F88CD #8DABDB

Accessibility & contrast

On white

5.50

#3968B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#3968B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3968B5

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3968B5	#FFFFFF	#000000	##FFFFFF
##3968B5	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#446FB8

Deuteranopia (green-blind)

#2F64B3

Tritanopia (blue-blind)

#007A85

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3968b5;
/* rgb */ color: rgb(57, 104, 181);
/* oklch */ color: oklch(52.4% 0.132 259.8);

Tailwind

colors: {
  custom: {
    50: '#7d92cb',
    500: '#3968b5',
    950: '#000000',
  },
}

SCSS

$custom: #3968b5;
$custom-light: #7d92cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3968b5",
  "rgb": {
    "r": 57,
    "g": 104,
    "b": 181
  },
  "hsl": {
    "h": 217.258,
    "s": 52.101,
    "l": 46.667
  },
  "oklch": {
    "l": 0.52351,
    "c": 0.13219,
    "h": 259.8
  },
  "luminance": 0.14107
}

Semantic roles & 50–950 ramp

primary

#3968B5

secondary

#C6AD84

accent

#A54CDC

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0D13

muted

#7C7D82

Preview Lab

Preview with #3968B5

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

Preview Lab → · Contrast checker → · Palette generator →