#3960C5#3960C5

#3960C5 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 51.7% C 0.164 H 265.2°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#3960C5
RGB	rgb(57, 96, 197)
HSL	hsl(223, 55%, 50%)
HSV	hsv(223, 71%, 77%)
CMYK	cmyk(71.1%, 51.3%, 0%, 22.7%)
CIE-LAB	lab(43.16, 20.76, -56.83)
CIE-LCH	lch(43.16, 60.50, 290.07°)
OKLab	oklab(51.74% -0.0137 -0.1633)
OKLCH	oklch(51.74% 0.164 265.2)
XYZ	xyz(15.9447, 13.2652, 54.5326)
Luminance	0.1327 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3960C5 #C59E39

analogous

#39A6C5 #3960C5 #5839C5

triadic

#3960C5 #C53960 #60C539

tetradic

#3960C5 #C539A6 #C59E39 #39C558

square

#3960C5 #C539A6 #C59E39 #39C558

split-complementary

#3960C5 #C55839 #A6C539

monochromatic

#1E3266 #2B4996 #3960C5 #6886D3 #97ACE1

Accessibility & contrast

On white

5.75

#3960C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#3960C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3960C5

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3960C5	#FFFFFF	#000000	##FFFFFF
##3960C5	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#216DC9

Deuteranopia (green-blind)

#0060C3

Tritanopia (blue-blind)

#007889

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3960c5;
/* rgb */ color: rgb(57, 96, 197);
/* oklch */ color: oklch(51.7% 0.164 265.2);

Tailwind

colors: {
  custom: {
    50: '#818cd7',
    500: '#3960c5',
    950: '#000000',
  },
}

SCSS

$custom: #3960c5;
$custom-light: #818cd7;
$custom-dark: #000000;

JSON

{
  "hex": "#3960c5",
  "rgb": {
    "r": 57,
    "g": 96,
    "b": 197
  },
  "hsl": {
    "h": 223.286,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.51738,
    "c": 0.16391,
    "h": 265.2
  },
  "luminance": 0.13267
}

Semantic roles & 50–950 ramp

primary

#3960C5

secondary

#CDBB8D

accent

#B549DE

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #3960C5

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

Preview Lab → · Contrast checker → · Palette generator →