#3960D3#3960D3

#3960D3 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.8% C 0.183 H 266.1°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#3960D3
RGB	rgb(57, 96, 211)
HSL	hsl(225, 64%, 53%)
HSV	hsv(225, 73%, 83%)
CMYK	cmyk(73%, 54.5%, 0%, 17.3%)
CIE-LAB	lab(44.14, 25.88, -63.29)
CIE-LCH	lch(44.14, 68.38, 292.24°)
OKLab	oklab(52.79% -0.0125 -0.1824)
OKLCH	oklch(52.79% 0.183 266.1)
XYZ	xyz(17.6240, 13.9369, 63.3766)
Luminance	0.1394 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3960D3 #D3AC39

analogous

#39ADD3 #3960D3 #5F39D3

triadic

#3960D3 #D33960 #60D339

tetradic

#3960D3 #D339AD #D3AC39 #39D35F

square

#3960D3 #D339AD #D3AC39 #39D35F

split-complementary

#3960D3 #D35F39 #ADD339

monochromatic

#1A3277 #2647A9 #3960D3 #6B88DE #9DB0E9

Accessibility & contrast

On white

5.54

#3960D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#3960D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3960D3

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3960D3	#FFFFFF	#000000	##FFFFFF
##3960D3	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070D7

Deuteranopia (green-blind)

#0062D1

Tritanopia (blue-blind)

#007C90

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3960d3;
/* rgb */ color: rgb(57, 96, 211);
/* oklch */ color: oklch(52.8% 0.183 266.1);

Tailwind

colors: {
  custom: {
    50: '#848ce1',
    500: '#3960d3',
    950: '#000000',
  },
}

SCSS

$custom: #3960d3;
$custom-light: #848ce1;
$custom-dark: #000000;

JSON

{
  "hex": "#3960d3",
  "rgb": {
    "r": 57,
    "g": 96,
    "b": 211
  },
  "hsl": {
    "h": 224.805,
    "s": 63.636,
    "l": 52.549
  },
  "oklch": {
    "l": 0.52793,
    "c": 0.18279,
    "h": 266.1
  },
  "luminance": 0.13939
}

Semantic roles & 50–950 ramp

primary

#3960D3

secondary

#D5C492

accent

#BD41E7

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3960D3

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

Preview Lab → · Contrast checker → · Palette generator →