#3961C0#3961C0

#3961C0 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.6% C 0.156 H 264.4°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#3961C0
RGB	rgb(57, 97, 192)
HSL	hsl(222, 54%, 49%)
HSV	hsv(222, 70%, 75%)
CMYK	cmyk(70.3%, 49.5%, 0%, 24.7%)
CIE-LAB	lab(43.10, 18.28, -54.03)
CIE-LCH	lch(43.10, 57.04, 288.69°)
OKLab	oklab(51.58% -0.0152 -0.1551)
OKLCH	oklch(51.58% 0.156 264.4)
XYZ	xyz(15.4731, 13.2234, 51.5959)
Luminance	0.1323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3961C0 #C09839

analogous

#39A5C0 #3961C0 #5539C0

triadic

#3961C0 #C03961 #61C039

tetradic

#3961C0 #C039A5 #C09839 #39C055

square

#3961C0 #C039A5 #C09839 #39C055

split-complementary

#3961C0 #C05539 #A5C039

monochromatic

#1D3162 #2B4991 #3961C0 #6585D1 #94AADF

Accessibility & contrast

On white

5.76

#3961C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#3961C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3961C0

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3961C0	#FFFFFF	#000000	##FFFFFF
##3961C0	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B6CC3

Deuteranopia (green-blind)

#0060BE

Tritanopia (blue-blind)

#007787

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3961c0;
/* rgb */ color: rgb(57, 97, 192);
/* oklch */ color: oklch(51.6% 0.156 264.4);

Tailwind

colors: {
  custom: {
    50: '#808dd4',
    500: '#3961c0',
    950: '#000000',
  },
}

SCSS

$custom: #3961c0;
$custom-light: #808dd4;
$custom-dark: #000000;

JSON

{
  "hex": "#3961c0",
  "rgb": {
    "r": 57,
    "g": 97,
    "b": 192
  },
  "hsl": {
    "h": 222.222,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.51584,
    "c": 0.15583,
    "h": 264.4
  },
  "luminance": 0.13225
}

Semantic roles & 50–950 ramp

primary

#3961C0

secondary

#CBB78A

accent

#B24ADE

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3961C0

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

Preview Lab → · Contrast checker → · Palette generator →