#3956D0#3956D0

#3956D0 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.6% C 0.191 H 268.4°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#3956D0
RGB	rgb(57, 86, 208)
HSL	hsl(228, 62%, 52%)
HSV	hsv(228, 73%, 82%)
CMYK	cmyk(72.6%, 58.7%, 0%, 18.4%)
CIE-LAB	lab(41.34, 31.19, -66.13)
CIE-LCH	lch(41.34, 73.11, 295.25°)
OKLab	oklab(50.62% -0.0052 -0.1908)
OKLCH	oklch(50.62% 0.191 268.4)
XYZ	xyz(16.3964, 12.0778, 61.1294)
Luminance	0.1208 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3956D0 #D0B339

analogous

#39A2D0 #3956D0 #6839D0

triadic

#3956D0 #D03956 #56D039

tetradic

#3956D0 #D039A2 #D0B339 #39D068

square

#3956D0 #D039A2 #D0B339 #39D068

split-complementary

#3956D0 #D06839 #A2D039

monochromatic

#1B2C73 #273FA5 #3956D0 #6A80DC #9CAAE7

Accessibility & contrast

On white

6.15

#3956D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#3956D0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3956D0

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3956D0	#FFFFFF	#000000	##FFFFFF
##3956D0	1.00	6.15	3.42	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D4

Deuteranopia (green-blind)

#005BCE

Tritanopia (blue-blind)

#00758B

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3956d0;
/* rgb */ color: rgb(57, 86, 208);
/* oklch */ color: oklch(50.6% 0.191 268.4);

Tailwind

colors: {
  custom: {
    50: '#8485df',
    500: '#3956d0',
    950: '#000000',
  },
}

SCSS

$custom: #3956d0;
$custom-light: #8485df;
$custom-dark: #000000;

JSON

{
  "hex": "#3956d0",
  "rgb": {
    "r": 57,
    "g": 86,
    "b": 208
  },
  "hsl": {
    "h": 228.477,
    "s": 61.633,
    "l": 51.961
  },
  "oklch": {
    "l": 0.50621,
    "c": 0.1909,
    "h": 268.4
  },
  "luminance": 0.1208
}

Semantic roles & 50–950 ramp

primary

#3956D0

secondary

#D3C791

accent

#C643E5

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3956D0

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

Preview Lab → · Contrast checker → · Palette generator →