#3961D3#3961D3

#3961D3 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 53.0% C 0.182 H 265.8°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#3961D3
RGB	rgb(57, 97, 211)
HSL	hsl(224, 64%, 53%)
HSV	hsv(224, 73%, 83%)
CMYK	cmyk(73%, 54%, 0%, 17.3%)
CIE-LAB	lab(44.41, 25.25, -62.87)
CIE-LCH	lch(44.41, 67.75, 291.88°)
OKLab	oklab(52.99% -0.0133 -0.1811)
OKLCH	oklch(52.99% 0.182 265.8)
XYZ	xyz(17.7158, 14.1205, 63.4073)
Luminance	0.1412 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3961D3 #D3AB39

analogous

#39AED3 #3961D3 #5E39D3

triadic

#3961D3 #D33961 #61D339

tetradic

#3961D3 #D339AE #D3AB39 #39D35E

square

#3961D3 #D339AE #D3AB39 #39D35E

split-complementary

#3961D3 #D35E39 #AED339

monochromatic

#1A3377 #2648A9 #3961D3 #6B89DE #9DB1E9

Accessibility & contrast

On white

5.49

#3961D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#3961D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3961D3

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3961D3	#FFFFFF	#000000	##FFFFFF
##3961D3	1.00	5.49	3.82	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070D7

Deuteranopia (green-blind)

#0062D1

Tritanopia (blue-blind)

#007D90

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3961d3;
/* rgb */ color: rgb(57, 97, 211);
/* oklch */ color: oklch(53.0% 0.182 265.8);

Tailwind

colors: {
  custom: {
    50: '#848de1',
    500: '#3961d3',
    950: '#000000',
  },
}

SCSS

$custom: #3961d3;
$custom-light: #848de1;
$custom-dark: #000000;

JSON

{
  "hex": "#3961d3",
  "rgb": {
    "r": 57,
    "g": 97,
    "b": 211
  },
  "hsl": {
    "h": 224.416,
    "s": 63.636,
    "l": 52.549
  },
  "oklch": {
    "l": 0.52992,
    "c": 0.18158,
    "h": 265.8
  },
  "luminance": 0.14122
}

Semantic roles & 50–950 ramp

primary

#3961D3

secondary

#D5C492

accent

#BC41E7

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3961D3

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

Preview Lab → · Contrast checker → · Palette generator →