#3956C4#3956C4

#3956C4 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.7% C 0.175 H 268.2°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#3956C4
RGB	rgb(57, 86, 196)
HSL	hsl(227, 55%, 50%)
HSV	hsv(227, 71%, 77%)
CMYK	cmyk(70.9%, 56.1%, 0%, 23.1%)
CIE-LAB	lab(40.43, 26.84, -60.68)
CIE-LCH	lch(40.43, 66.35, 293.86°)
OKLab	oklab(49.65% -0.0056 -0.1748)
OKLCH	oklch(49.65% 0.175 268.2)
XYZ	xyz(14.9755, 11.5094, 53.6462)
Luminance	0.1151 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3956C4 #C4A739

analogous

#399CC4 #3956C4 #6239C4

triadic

#3956C4 #C43956 #56C439

tetradic

#3956C4 #C4399C #C4A739 #39C462

square

#3956C4 #C4399C #C4A739 #39C462

split-complementary

#3956C4 #C46239 #9CC439

monochromatic

#1D2C65 #2B4195 #3956C4 #677ED3 #97A6E1

Accessibility & contrast

On white

6.36

#3956C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#3956C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3956C4

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3956C4	#FFFFFF	#000000	##FFFFFF
##3956C4	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066C8

Deuteranopia (green-blind)

#0059C2

Tritanopia (blue-blind)

#007184

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3956c4;
/* rgb */ color: rgb(57, 86, 196);
/* oklch */ color: oklch(49.7% 0.175 268.2);

Tailwind

colors: {
  custom: {
    50: '#8185d7',
    500: '#3956c4',
    950: '#000000',
  },
}

SCSS

$custom: #3956c4;
$custom-light: #8185d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3956c4",
  "rgb": {
    "r": 57,
    "g": 86,
    "b": 196
  },
  "hsl": {
    "h": 227.482,
    "s": 54.941,
    "l": 49.608
  },
  "oklch": {
    "l": 0.49651,
    "c": 0.1749,
    "h": 268.2
  },
  "luminance": 0.11511
}

Semantic roles & 50–950 ramp

primary

#3956C4

secondary

#CCBF8D

accent

#BF4ADE

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3956C4

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

Preview Lab → · Contrast checker → · Palette generator →