#3964C6#3964C6

#3964C6 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 52.6% C 0.160 H 263.9°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#3964C6
RGB	rgb(57, 100, 198)
HSL	hsl(222, 55%, 50%)
HSV	hsv(222, 71%, 78%)
CMYK	cmyk(71.2%, 49.5%, 0%, 22.4%)
CIE-LAB	lab(44.32, 18.56, -55.54)
CIE-LCH	lch(44.32, 58.56, 288.48°)
OKLab	oklab(52.64% -0.017 -0.1595)
OKLCH	oklch(52.64% 0.16 263.9)
XYZ	xyz(16.4340, 14.0597, 55.2628)
Luminance	0.1406 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3964C6 #C69B39

analogous

#39ABC6 #3964C6 #5439C6

triadic

#3964C6 #C63964 #64C639

tetradic

#3964C6 #C639AB #C69B39 #39C654

square

#3964C6 #C639AB #C69B39 #39C654

split-complementary

#3964C6 #C65439 #ABC639

monochromatic

#1E3467 #2B4C96 #3964C6 #6989D4 #98AEE1

Accessibility & contrast

On white

5.51

#3964C6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#3964C6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3964C6

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3964C6	#FFFFFF	#000000	##FFFFFF
##3964C6	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C70CA

Deuteranopia (green-blind)

#0063C4

Tritanopia (blue-blind)

#007B8B

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3964c6;
/* rgb */ color: rgb(57, 100, 198);
/* oklch */ color: oklch(52.6% 0.160 263.9);

Tailwind

colors: {
  custom: {
    50: '#818fd8',
    500: '#3964c6',
    950: '#000000',
  },
}

SCSS

$custom: #3964c6;
$custom-light: #818fd8;
$custom-dark: #000000;

JSON

{
  "hex": "#3964c6",
  "rgb": {
    "r": 57,
    "g": 100,
    "b": 198
  },
  "hsl": {
    "h": 221.702,
    "s": 55.294,
    "l": 50
  },
  "oklch": {
    "l": 0.52642,
    "c": 0.16038,
    "h": 263.9
  },
  "luminance": 0.14061
}

Semantic roles & 50–950 ramp

primary

#3964C6

secondary

#CDBA8E

accent

#B149DF

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #3964C6

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

Preview Lab → · Contrast checker → · Palette generator →