#3961C8#3961C8

#3961C8 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.2% C 0.167 H 265.1°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#3961C8
RGB	rgb(57, 97, 200)
HSL	hsl(223, 57%, 50%)
HSV	hsv(223, 72%, 78%)
CMYK	cmyk(71.5%, 51.5%, 0%, 21.6%)
CIE-LAB	lab(43.64, 21.22, -57.79)
CIE-LCH	lch(43.64, 61.56, 290.16°)
OKLab	oklab(52.16% -0.0142 -0.1662)
OKLCH	oklch(52.16% 0.167 265.1)
XYZ	xyz(16.3837, 13.5877, 56.3916)
Luminance	0.1359 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3961C8 #C8A039

analogous

#39A8C8 #3961C8 #5839C8

triadic

#3961C8 #C83961 #61C839

tetradic

#3961C8 #C839A8 #C8A039 #39C858

square

#3961C8 #C839A8 #C8A039 #39C858

split-complementary

#3961C8 #C85839 #A8C839

monochromatic

#1D3369 #2B4A99 #3961C8 #6987D5 #99ADE3

Accessibility & contrast

On white

5.65

#3961C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#3961C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3961C8

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3961C8	#FFFFFF	#000000	##FFFFFF
##3961C8	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F6ECC

Deuteranopia (green-blind)

#0061C6

Tritanopia (blue-blind)

#007A8B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3961c8;
/* rgb */ color: rgb(57, 97, 200);
/* oklch */ color: oklch(52.2% 0.167 265.1);

Tailwind

colors: {
  custom: {
    50: '#818dd9',
    500: '#3961c8',
    950: '#000000',
  },
}

SCSS

$custom: #3961c8;
$custom-light: #818dd9;
$custom-dark: #000000;

JSON

{
  "hex": "#3961c8",
  "rgb": {
    "r": 57,
    "g": 97,
    "b": 200
  },
  "hsl": {
    "h": 223.217,
    "s": 56.522,
    "l": 50.392
  },
  "oklch": {
    "l": 0.52165,
    "c": 0.16677,
    "h": 265.1
  },
  "luminance": 0.13589
}

Semantic roles & 50–950 ramp

primary

#3961C8

secondary

#CEBC8F

accent

#B548E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3961C8

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

Preview Lab → · Contrast checker → · Palette generator →