#3961C3#3961C3

#3961C3 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 51.8% C 0.160 H 264.7°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#3961C3
RGB	rgb(57, 97, 195)
HSL	hsl(223, 55%, 49%)
HSV	hsv(223, 71%, 76%)
CMYK	cmyk(70.8%, 50.3%, 0%, 23.5%)
CIE-LAB	lab(43.30, 19.38, -55.45)
CIE-LCH	lch(43.30, 58.74, 289.27°)
OKLab	oklab(51.8% -0.0148 -0.1593)
OKLCH	oklch(51.8% 0.16 264.7)
XYZ	xyz(15.8089, 13.3577, 53.3643)
Luminance	0.1336 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3961C3 #C39B39

analogous

#39A6C3 #3961C3 #5639C3

triadic

#3961C3 #C33961 #61C339

tetradic

#3961C3 #C339A6 #C39B39 #39C356

square

#3961C3 #C339A6 #C39B39 #39C356

split-complementary

#3961C3 #C35639 #A6C339

monochromatic

#1D3264 #2B4994 #3961C3 #6786D2 #96ACE0

Accessibility & contrast

On white

5.72

#3961C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#3961C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3961C3

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3961C3	#FFFFFF	#000000	##FFFFFF
##3961C3	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#276DC7

Deuteranopia (green-blind)

#0060C1

Tritanopia (blue-blind)

#007889

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3961c3;
/* rgb */ color: rgb(57, 97, 195);
/* oklch */ color: oklch(51.8% 0.160 264.7);

Tailwind

colors: {
  custom: {
    50: '#808dd6',
    500: '#3961c3',
    950: '#000000',
  },
}

SCSS

$custom: #3961c3;
$custom-light: #808dd6;
$custom-dark: #000000;

JSON

{
  "hex": "#3961c3",
  "rgb": {
    "r": 57,
    "g": 97,
    "b": 195
  },
  "hsl": {
    "h": 222.609,
    "s": 54.762,
    "l": 49.412
  },
  "oklch": {
    "l": 0.518,
    "c": 0.15995,
    "h": 264.7
  },
  "luminance": 0.13359
}

Semantic roles & 50–950 ramp

primary

#3961C3

secondary

#CCB98C

accent

#B34ADE

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #3961C3

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

Preview Lab → · Contrast checker → · Palette generator →