#3961C5#3961C5

#3961C5 is a mid, vivid blue. Relative luminance 0.135; OKLCH L 51.9% C 0.163 H 264.9°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#3961C5
RGB	rgb(57, 97, 197)
HSL	hsl(223, 55%, 50%)
HSV	hsv(223, 71%, 77%)
CMYK	cmyk(71.1%, 50.8%, 0%, 22.7%)
CIE-LAB	lab(43.43, 20.12, -56.39)
CIE-LCH	lch(43.43, 59.87, 289.63°)
OKLab	oklab(51.94% -0.0146 -0.162)
OKLCH	oklch(51.94% 0.163 264.9)
XYZ	xyz(16.0365, 13.4488, 54.5632)
Luminance	0.1345 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3961C5 #C59D39

analogous

#39A7C5 #3961C5 #5739C5

triadic

#3961C5 #C53961 #61C539

tetradic

#3961C5 #C539A7 #C59D39 #39C557

square

#3961C5 #C539A7 #C59D39 #39C557

split-complementary

#3961C5 #C55739 #A7C539

monochromatic

#1E3266 #2B4A96 #3961C5 #6887D3 #97ACE1

Accessibility & contrast

On white

5.69

#3961C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#3961C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3961C5

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3961C5	#FFFFFF	#000000	##FFFFFF
##3961C5	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)

#246DC9

Deuteranopia (green-blind)

#0061C3

Tritanopia (blue-blind)

#00798A

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3961c5;
/* rgb */ color: rgb(57, 97, 197);
/* oklch */ color: oklch(51.9% 0.163 264.9);

Tailwind

colors: {
  custom: {
    50: '#818dd7',
    500: '#3961c5',
    950: '#000000',
  },
}

SCSS

$custom: #3961c5;
$custom-light: #818dd7;
$custom-dark: #000000;

JSON

{
  "hex": "#3961c5",
  "rgb": {
    "r": 57,
    "g": 97,
    "b": 197
  },
  "hsl": {
    "h": 222.857,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.51945,
    "c": 0.16268,
    "h": 264.9
  },
  "luminance": 0.1345
}

Semantic roles & 50–950 ramp

primary

#3961C5

secondary

#CDBA8D

accent

#B449DE

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #3961C5

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

Preview Lab → · Contrast checker → · Palette generator →