#3968B3#3968B3

#3968B3 is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.2% C 0.129 H 259.4°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#3968B3
RGB	rgb(57, 104, 179)
HSL	hsl(217, 52%, 46%)
HSV	hsv(217, 68%, 70%)
CMYK	cmyk(68.2%, 41.9%, 0%, 29.8%)
CIE-LAB	lab(44.27, 9.05, -44.59)
CIE-LCH	lch(44.27, 45.50, 281.47°)
OKLab	oklab(52.22% -0.0239 -0.1272)
OKLCH	oklch(52.22% 0.129 259.4)
XYZ	xyz(14.7714, 14.0237, 44.5675)
Luminance	0.1403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3968B3 #B38439

analogous

#39A5B3 #3968B3 #4739B3

triadic

#3968B3 #B33968 #68B339

tetradic

#3968B3 #B339A5 #B38439 #39B347

square

#3968B3 #B339A5 #B38439 #39B347

split-complementary

#3968B3 #B34739 #A5B339

monochromatic

#1B3256 #2A4D85 #3968B3 #5E88CC #8CAADA

Accessibility & contrast

On white

5.52

#3968B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#3968B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3968B3

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3968B3	#FFFFFF	#000000	##FFFFFF
##3968B3	1.00	5.52	3.81	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#456FB6

Deuteranopia (green-blind)

#3263B1

Tritanopia (blue-blind)

#007985

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3968b3;
/* rgb */ color: rgb(57, 104, 179);
/* oklch */ color: oklch(52.2% 0.129 259.4);

Tailwind

colors: {
  custom: {
    50: '#7d92ca',
    500: '#3968b3',
    950: '#000000',
  },
}

SCSS

$custom: #3968b3;
$custom-light: #7d92ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3968b3",
  "rgb": {
    "r": 57,
    "g": 104,
    "b": 179
  },
  "hsl": {
    "h": 216.885,
    "s": 51.695,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52223,
    "c": 0.12943,
    "h": 259.4
  },
  "luminance": 0.14025
}

Semantic roles & 50–950 ramp

primary

#3968B3

secondary

#C5AB83

accent

#A44DDB

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0D13

muted

#7C7D82

Preview Lab

Preview with #3968B3

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

Preview Lab → · Contrast checker → · Palette generator →