#3968B0#3968B0

#3968B0 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.0% C 0.125 H 258.7°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#3968B0
RGB	rgb(57, 104, 176)
HSL	hsl(216, 51%, 46%)
HSV	hsv(216, 68%, 69%)
CMYK	cmyk(67.6%, 40.9%, 0%, 31%)
CIE-LAB	lab(44.09, 7.96, -43.11)
CIE-LCH	lch(44.09, 43.84, 280.46°)
OKLab	oklab(52.03% -0.0245 -0.1229)
OKLCH	oklch(52.03% 0.125 258.7)
XYZ	xyz(14.4713, 13.9036, 42.9869)
Luminance	0.1391 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3968B0 #B08139

analogous

#39A3B0 #3968B0 #4639B0

triadic

#3968B0 #B03968 #68B039

tetradic

#3968B0 #B039A3 #B08139 #39B046

square

#3968B0 #B039A3 #B08139 #39B046

split-complementary

#3968B0 #B04639 #A3B039

monochromatic

#1B3154 #2A4D82 #3968B0 #5C88CA #8AA9D9

Accessibility & contrast

On white

5.55

#3968B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#3968B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3968B0

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3968B0	#FFFFFF	#000000	##FFFFFF
##3968B0	1.00	5.55	3.78	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#476EB3

Deuteranopia (green-blind)

#3563AF

Tritanopia (blue-blind)

#007983

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3968b0;
/* rgb */ color: rgb(57, 104, 176);
/* oklch */ color: oklch(52.0% 0.125 258.7);

Tailwind

colors: {
  custom: {
    50: '#7c92c8',
    500: '#3968b0',
    950: '#000000',
  },
}

SCSS

$custom: #3968b0;
$custom-light: #7c92c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3968b0",
  "rgb": {
    "r": 57,
    "g": 104,
    "b": 176
  },
  "hsl": {
    "h": 216.303,
    "s": 51.073,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52033,
    "c": 0.12529,
    "h": 258.7
  },
  "luminance": 0.13905
}

Semantic roles & 50–950 ramp

primary

#3968B0

secondary

#C4A981

accent

#A34DDB

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0D13

muted

#7C7D82

Preview Lab

Preview with #3968B0

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

Preview Lab → · Contrast checker → · Palette generator →