#3961C2#3961C2

#3961C2 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 51.7% C 0.159 H 264.6°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#3961C2
RGB	rgb(57, 97, 194)
HSL	hsl(222, 55%, 49%)
HSV	hsv(222, 71%, 76%)
CMYK	cmyk(70.6%, 50%, 0%, 23.9%)
CIE-LAB	lab(43.23, 19.01, -54.98)
CIE-LCH	lch(43.23, 58.17, 289.08°)
OKLab	oklab(51.73% -0.0149 -0.1579)
OKLCH	oklch(51.73% 0.159 264.6)
XYZ	xyz(15.6962, 13.3127, 52.7709)
Luminance	0.1331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3961C2 #C29A39

analogous

#39A6C2 #3961C2 #5639C2

triadic

#3961C2 #C23961 #61C239

tetradic

#3961C2 #C239A6 #C29A39 #39C256

square

#3961C2 #C239A6 #C29A39 #39C256

split-complementary

#3961C2 #C25639 #A6C239

monochromatic

#1D3263 #2B4993 #3961C2 #6686D2 #95ABE0

Accessibility & contrast

On white

5.73

#3961C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#3961C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3961C2

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3961C2	#FFFFFF	#000000	##FFFFFF
##3961C2	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#286DC6

Deuteranopia (green-blind)

#0060C0

Tritanopia (blue-blind)

#007888

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3961c2;
/* rgb */ color: rgb(57, 97, 194);
/* oklch */ color: oklch(51.7% 0.159 264.6);

Tailwind

colors: {
  custom: {
    50: '#808dd5',
    500: '#3961c2',
    950: '#000000',
  },
}

SCSS

$custom: #3961c2;
$custom-light: #808dd5;
$custom-dark: #000000;

JSON

{
  "hex": "#3961c2",
  "rgb": {
    "r": 57,
    "g": 97,
    "b": 194
  },
  "hsl": {
    "h": 222.482,
    "s": 54.582,
    "l": 49.216
  },
  "oklch": {
    "l": 0.51728,
    "c": 0.15857,
    "h": 264.6
  },
  "luminance": 0.13314
}

Semantic roles & 50–950 ramp

primary

#3961C2

secondary

#CBB98B

accent

#B34ADE

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3961C2

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

Preview Lab → · Contrast checker → · Palette generator →