#3960CF#3960CF

#3960CF is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.5% C 0.177 H 265.9°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#3960CF
RGB	rgb(57, 96, 207)
HSL	hsl(224, 61%, 52%)
HSV	hsv(224, 72%, 81%)
CMYK	cmyk(72.5%, 53.6%, 0%, 18.8%)
CIE-LAB	lab(43.86, 24.42, -61.47)
CIE-LCH	lch(43.86, 66.14, 291.67°)
OKLab	oklab(52.49% -0.0128 -0.177)
OKLCH	oklch(52.49% 0.177 265.9)
XYZ	xyz(17.1288, 13.7388, 60.7685)
Luminance	0.1374 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3960CF #CFA839

analogous

#39ABCF #3960CF #5D39CF

triadic

#3960CF #CF3960 #60CF39

tetradic

#3960CF #CF39AB #CFA839 #39CF5D

square

#3960CF #CF39AB #CFA839 #39CF5D

split-complementary

#3960CF #CF5D39 #ABCF39

monochromatic

#1C3272 #2848A3 #3960CF #6A88DB #9CAFE7

Accessibility & contrast

On white

5.60

#3960CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#3960CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3960CF

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3960CF	#FFFFFF	#000000	##FFFFFF
##3960CF	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#056FD3

Deuteranopia (green-blind)

#0061CD

Tritanopia (blue-blind)

#007B8E

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3960cf;
/* rgb */ color: rgb(57, 96, 207);
/* oklch */ color: oklch(52.5% 0.177 265.9);

Tailwind

colors: {
  custom: {
    50: '#838cde',
    500: '#3960cf',
    950: '#000000',
  },
}

SCSS

$custom: #3960cf;
$custom-light: #838cde;
$custom-dark: #000000;

JSON

{
  "hex": "#3960cf",
  "rgb": {
    "r": 57,
    "g": 96,
    "b": 207
  },
  "hsl": {
    "h": 224.4,
    "s": 60.976,
    "l": 51.765
  },
  "oklch": {
    "l": 0.52487,
    "c": 0.17744,
    "h": 265.9
  },
  "luminance": 0.13741
}

Semantic roles & 50–950 ramp

primary

#3960CF

secondary

#D3C291

accent

#BA44E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3960CF

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

Preview Lab → · Contrast checker → · Palette generator →