#3961E7#3961E7

#3961E7 is a mid, highly saturated blue. Relative luminance 0.152; OKLCH L 54.6% C 0.208 H 266.6°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#3961E7
RGB	rgb(57, 97, 231)
HSL	hsl(226, 78%, 56%)
HSV	hsv(226, 75%, 91%)
CMYK	cmyk(75.3%, 58%, 0%, 9.4%)
CIE-LAB	lab(45.89, 32.51, -71.82)
CIE-LCH	lch(45.89, 78.84, 294.35°)
OKLab	oklab(54.57% -0.0123 -0.2074)
OKLCH	oklch(54.57% 0.208 266.6)
XYZ	xyz(20.3808, 15.1865, 77.4430)
Luminance	0.1519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3961E7 #E7BF39

analogous

#39B8E7 #3961E7 #6839E7

triadic

#3961E7 #E73961 #61E739

tetradic

#3961E7 #E739B8 #E7BF39 #39E768

square

#3961E7 #E739B8 #E7BF39 #39E768

split-complementary

#3961E7 #E76839 #B8E739

monochromatic

#123094 #1941CA #3961E7 #708DEE #A6B8F4

Accessibility & contrast

On white

5.20

#3961E7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#3961E7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3961E7

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3961E7	#FFFFFF	#000000	##FFFFFF
##3961E7	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075EB

Deuteranopia (green-blind)

#0065E4

Tritanopia (blue-blind)

#00839B

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3961e7;
/* rgb */ color: rgb(57, 97, 231);
/* oklch */ color: oklch(54.6% 0.208 266.6);

Tailwind

colors: {
  custom: {
    50: '#888df0',
    500: '#3961e7',
    950: '#000000',
  },
}

SCSS

$custom: #3961e7;
$custom-light: #888df0;
$custom-dark: #000000;

JSON

{
  "hex": "#3961e7",
  "rgb": {
    "r": 57,
    "g": 97,
    "b": 231
  },
  "hsl": {
    "h": 226.207,
    "s": 78.378,
    "l": 56.471
  },
  "oklch": {
    "l": 0.54572,
    "c": 0.20777,
    "h": 266.6
  },
  "luminance": 0.15189
}

Semantic roles & 50–950 ramp

primary

#3961E7

secondary

#E2D19A

accent

#C833F5

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0C17

muted

#7E7D85

Preview Lab

Preview with #3961E7

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

Preview Lab → · Contrast checker → · Palette generator →