#3956C0#3956C0

#3956C0 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.3% C 0.169 H 268.0°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#3956C0
RGB	rgb(57, 86, 192)
HSL	hsl(227, 54%, 49%)
HSV	hsv(227, 70%, 75%)
CMYK	cmyk(70.3%, 55.2%, 0%, 24.7%)
CIE-LAB	lab(40.13, 25.39, -58.83)
CIE-LCH	lch(40.13, 64.07, 293.34°)
OKLab	oklab(49.34% -0.0058 -0.1694)
OKLCH	oklch(49.34% 0.169 268)
XYZ	xyz(14.5263, 11.3297, 51.2803)
Luminance	0.1133 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3956C0 #C0A339

analogous

#399AC0 #3956C0 #6039C0

triadic

#3956C0 #C03956 #56C039

tetradic

#3956C0 #C0399A #C0A339 #39C060

square

#3956C0 #C0399A #C0A339 #39C060

split-complementary

#3956C0 #C06039 #9AC039

monochromatic

#1D2C62 #2B4191 #3956C0 #657CD1 #94A4DF

Accessibility & contrast

On white

6.43

#3956C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#3956C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3956C0

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3956C0	#FFFFFF	#000000	##FFFFFF
##3956C0	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C4

Deuteranopia (green-blind)

#0059BE

Tritanopia (blue-blind)

#007082

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3956c0;
/* rgb */ color: rgb(57, 86, 192);
/* oklch */ color: oklch(49.3% 0.169 268.0);

Tailwind

colors: {
  custom: {
    50: '#8085d4',
    500: '#3956c0',
    950: '#000000',
  },
}

SCSS

$custom: #3956c0;
$custom-light: #8085d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3956c0",
  "rgb": {
    "r": 57,
    "g": 86,
    "b": 192
  },
  "hsl": {
    "h": 227.111,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.49336,
    "c": 0.16948,
    "h": 268
  },
  "luminance": 0.11331
}

Semantic roles & 50–950 ramp

primary

#3956C0

secondary

#CBBD8A

accent

#BE4ADE

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3956C0

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

Preview Lab → · Contrast checker → · Palette generator →