#3956C1#3956C1

#3956C1 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.4% C 0.171 H 268.1°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#3956C1
RGB	rgb(57, 86, 193)
HSL	hsl(227, 54%, 49%)
HSV	hsv(227, 70%, 76%)
CMYK	cmyk(70.5%, 55.4%, 0%, 24.3%)
CIE-LAB	lab(40.20, 25.75, -59.29)
CIE-LCH	lch(40.20, 64.64, 293.47°)
OKLab	oklab(49.41% -0.0057 -0.1707)
OKLCH	oklch(49.41% 0.171 268.1)
XYZ	xyz(14.6374, 11.3742, 51.8658)
Luminance	0.1138 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3956C1 #C1A439

analogous

#399AC1 #3956C1 #6039C1

triadic

#3956C1 #C13956 #56C139

tetradic

#3956C1 #C1399A #C1A439 #39C160

square

#3956C1 #C1399A #C1A439 #39C160

split-complementary

#3956C1 #C16039 #9AC139

monochromatic

#1D2C63 #2B4192 #3956C1 #667DD2 #95A5E0

Accessibility & contrast

On white

6.41

#3956C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#3956C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3956C1

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3956C1	#FFFFFF	#000000	##FFFFFF
##3956C1	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C5

Deuteranopia (green-blind)

#0059BF

Tritanopia (blue-blind)

#007083

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3956c1;
/* rgb */ color: rgb(57, 86, 193);
/* oklch */ color: oklch(49.4% 0.171 268.1);

Tailwind

colors: {
  custom: {
    50: '#8085d4',
    500: '#3956c1',
    950: '#000000',
  },
}

SCSS

$custom: #3956c1;
$custom-light: #8085d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3956c1",
  "rgb": {
    "r": 57,
    "g": 86,
    "b": 193
  },
  "hsl": {
    "h": 227.206,
    "s": 54.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.49414,
    "c": 0.17084,
    "h": 268.1
  },
  "luminance": 0.11376
}

Semantic roles & 50–950 ramp

primary

#3956C1

secondary

#CBBD8B

accent

#BE4ADE

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3956C1

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

Preview Lab → · Contrast checker → · Palette generator →