#3961D4#3961D4

#3961D4 is a mid, vivid blue. Relative luminance 0.142; OKLCH L 53.1% C 0.183 H 265.9°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#3961D4
RGB	rgb(57, 97, 212)
HSL	hsl(225, 64%, 53%)
HSV	hsv(225, 73%, 83%)
CMYK	cmyk(73.1%, 54.2%, 0%, 16.9%)
CIE-LAB	lab(44.48, 25.61, -63.32)
CIE-LCH	lch(44.48, 68.31, 292.02°)
OKLab	oklab(53.07% -0.0132 -0.1824)
OKLCH	oklch(53.07% 0.183 265.9)
XYZ	xyz(17.8415, 14.1708, 64.0695)
Luminance	0.1417 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3961D4 #D4AC39

analogous

#39AED4 #3961D4 #5E39D4

triadic

#3961D4 #D43961 #61D439

tetradic

#3961D4 #D439AE #D4AC39 #39D45E

square

#3961D4 #D439AE #D4AC39 #39D45E

split-complementary

#3961D4 #D45E39 #AED439

monochromatic

#1A3278 #2548AB #3961D4 #6B89DF #9EB1EA

Accessibility & contrast

On white

5.48

#3961D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#3961D4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3961D4

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3961D4	#FFFFFF	#000000	##FFFFFF
##3961D4	1.00	5.48	3.83	5.48
#FFFFFF	5.48	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071D8

Deuteranopia (green-blind)

#0062D2

Tritanopia (blue-blind)

#007D91

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3961d4;
/* rgb */ color: rgb(57, 97, 212);
/* oklch */ color: oklch(53.1% 0.183 265.9);

Tailwind

colors: {
  custom: {
    50: '#848de2',
    500: '#3961d4',
    950: '#000000',
  },
}

SCSS

$custom: #3961d4;
$custom-light: #848de2;
$custom-dark: #000000;

JSON

{
  "hex": "#3961d4",
  "rgb": {
    "r": 57,
    "g": 97,
    "b": 212
  },
  "hsl": {
    "h": 224.516,
    "s": 64.315,
    "l": 52.745
  },
  "oklch": {
    "l": 0.53068,
    "c": 0.18291,
    "h": 265.9
  },
  "luminance": 0.14173
}

Semantic roles & 50–950 ramp

primary

#3961D4

secondary

#D6C593

accent

#BC40E7

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3961D4

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

Preview Lab → · Contrast checker → · Palette generator →