#3956C5#3956C5

#3956C5 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.7% C 0.176 H 268.2°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#3956C5
RGB	rgb(57, 86, 197)
HSL	hsl(228, 55%, 50%)
HSV	hsv(228, 71%, 77%)
CMYK	cmyk(71.1%, 56.3%, 0%, 22.7%)
CIE-LAB	lab(40.50, 27.20, -61.14)
CIE-LCH	lch(40.50, 66.92, 293.99°)
OKLab	oklab(49.73% -0.0055 -0.1762)
OKLCH	oklch(49.73% 0.176 268.2)
XYZ	xyz(15.0897, 11.5551, 54.2476)
Luminance	0.1156 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3956C5 #C5A839

analogous

#399CC5 #3956C5 #6239C5

triadic

#3956C5 #C53956 #56C539

tetradic

#3956C5 #C5399C #C5A839 #39C562

square

#3956C5 #C5399C #C5A839 #39C562

split-complementary

#3956C5 #C56239 #9CC539

monochromatic

#1E2D66 #2B4196 #3956C5 #687ED3 #97A7E1

Accessibility & contrast

On white

6.34

#3956C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#3956C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3956C5

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3956C5	#FFFFFF	#000000	##FFFFFF
##3956C5	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066C9

Deuteranopia (green-blind)

#0059C3

Tritanopia (blue-blind)

#007185

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3956c5;
/* rgb */ color: rgb(57, 86, 197);
/* oklch */ color: oklch(49.7% 0.176 268.2);

Tailwind

colors: {
  custom: {
    50: '#8185d7',
    500: '#3956c5',
    950: '#000000',
  },
}

SCSS

$custom: #3956c5;
$custom-light: #8185d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3956c5",
  "rgb": {
    "r": 57,
    "g": 86,
    "b": 197
  },
  "hsl": {
    "h": 227.571,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.4973,
    "c": 0.17625,
    "h": 268.2
  },
  "luminance": 0.11557
}

Semantic roles & 50–950 ramp

primary

#3956C5

secondary

#CDBF8D

accent

#C049DE

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3956C5

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

Preview Lab → · Contrast checker → · Palette generator →