#3962CF#3962CF

#3962CF is a mid, vivid blue. Relative luminance 0.141; OKLCH L 52.9% C 0.175 H 265.3°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#3962CF
RGB	rgb(57, 98, 207)
HSL	hsl(224, 61%, 52%)
HSV	hsv(224, 72%, 81%)
CMYK	cmyk(72.5%, 52.7%, 0%, 18.8%)
CIE-LAB	lab(44.39, 23.14, -60.60)
CIE-LCH	lch(44.39, 64.87, 290.90°)
OKLab	oklab(52.89% -0.0144 -0.1744)
OKLCH	oklch(52.89% 0.175 265.3)
XYZ	xyz(17.3135, 14.1084, 60.8301)
Luminance	0.1411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3962CF #CFA639

analogous

#39ADCF #3962CF #5B39CF

triadic

#3962CF #CF3962 #62CF39

tetradic

#3962CF #CF39AD #CFA639 #39CF5B

square

#3962CF #CF39AD #CFA639 #39CF5B

split-complementary

#3962CF #CF5B39 #ADCF39

monochromatic

#1C3372 #2849A3 #3962CF #6A89DB #9CB0E7

Accessibility & contrast

On white

5.49

#3962CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#3962CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3962CF

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3962CF	#FFFFFF	#000000	##FFFFFF
##3962CF	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)

#1470D3

Deuteranopia (green-blind)

#0062CD

Tritanopia (blue-blind)

#007C8F

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3962cf;
/* rgb */ color: rgb(57, 98, 207);
/* oklch */ color: oklch(52.9% 0.175 265.3);

Tailwind

colors: {
  custom: {
    50: '#838ede',
    500: '#3962cf',
    950: '#000000',
  },
}

SCSS

$custom: #3962cf;
$custom-light: #838ede;
$custom-dark: #000000;

JSON

{
  "hex": "#3962cf",
  "rgb": {
    "r": 57,
    "g": 98,
    "b": 207
  },
  "hsl": {
    "h": 223.6,
    "s": 60.976,
    "l": 51.765
  },
  "oklch": {
    "l": 0.52889,
    "c": 0.175,
    "h": 265.3
  },
  "luminance": 0.1411
}

Semantic roles & 50–950 ramp

primary

#3962CF

secondary

#D3C191

accent

#B844E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3962CF

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

Preview Lab → · Contrast checker → · Palette generator →