#3960C9#3960C9

#3960C9 is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.0% C 0.169 H 265.5°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#3960C9
RGB	rgb(57, 96, 201)
HSL	hsl(224, 57%, 51%)
HSV	hsv(224, 72%, 79%)
CMYK	cmyk(71.6%, 52.2%, 0%, 21.2%)
CIE-LAB	lab(43.43, 22.23, -58.69)
CIE-LCH	lch(43.43, 62.76, 290.74°)
OKLab	oklab(52.03% -0.0133 -0.1688)
OKLCH	oklch(52.03% 0.169 265.5)
XYZ	xyz(16.4091, 13.4509, 56.9785)
Luminance	0.1345 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3960C9 #C9A239

analogous

#39A8C9 #3960C9 #5A39C9

triadic

#3960C9 #C93960 #60C939

tetradic

#3960C9 #C939A8 #C9A239 #39C95A

square

#3960C9 #C939A8 #C9A239 #39C95A

split-complementary

#3960C9 #C95A39 #A8C939

monochromatic

#1D326B #2A499B #3960C9 #6987D6 #99ADE3

Accessibility & contrast

On white

5.69

#3960C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#3960C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3960C9

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3960C9	#FFFFFF	#000000	##FFFFFF
##3960C9	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#196ECD

Deuteranopia (green-blind)

#0060C7

Tritanopia (blue-blind)

#00798B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3960c9;
/* rgb */ color: rgb(57, 96, 201);
/* oklch */ color: oklch(52.0% 0.169 265.5);

Tailwind

colors: {
  custom: {
    50: '#818cda',
    500: '#3960c9',
    950: '#000000',
  },
}

SCSS

$custom: #3960c9;
$custom-light: #818cda;
$custom-dark: #000000;

JSON

{
  "hex": "#3960c9",
  "rgb": {
    "r": 57,
    "g": 96,
    "b": 201
  },
  "hsl": {
    "h": 223.75,
    "s": 57.143,
    "l": 50.588
  },
  "oklch": {
    "l": 0.52034,
    "c": 0.16935,
    "h": 265.5
  },
  "luminance": 0.13453
}

Semantic roles & 50–950 ramp

primary

#3960C9

secondary

#CFBE8F

accent

#B747E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3960C9

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

Preview Lab → · Contrast checker → · Palette generator →