#3964DA#3964DA

#3964DA is a mid, vivid blue. Relative luminance 0.150; OKLCH L 54.1% C 0.187 H 265.4°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#3964DA
RGB	rgb(57, 100, 218)
HSL	hsl(224, 69%, 54%)
HSV	hsv(224, 74%, 85%)
CMYK	cmyk(73.9%, 54.1%, 0%, 14.5%)
CIE-LAB	lab(45.69, 25.89, -64.77)
CIE-LCH	lch(45.69, 69.75, 291.79°)
OKLab	oklab(54.12% -0.015 -0.1866)
OKLCH	oklch(54.12% 0.187 265.4)
XYZ	xyz(18.8949, 15.0441, 68.2241)
Luminance	0.1505 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3964DA #DAAF39

analogous

#39B5DA #3964DA #5F39DA

triadic

#3964DA #DA3964 #64DA39

tetradic

#3964DA #DA39B5 #DAAF39 #39DA5F

square

#3964DA #DA39B5 #DAAF39 #39DA5F

split-complementary

#3964DA #DA5F39 #B5DA39

monochromatic

#183481 #2249B4 #3964DA #6D8CE4 #A0B5ED

Accessibility & contrast

On white

5.24

#3964DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#3964DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3964DA

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3964DA	#FFFFFF	#000000	##FFFFFF
##3964DA	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074DE

Deuteranopia (green-blind)

#0065D8

Tritanopia (blue-blind)

#008195

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3964da;
/* rgb */ color: rgb(57, 100, 218);
/* oklch */ color: oklch(54.1% 0.187 265.4);

Tailwind

colors: {
  custom: {
    50: '#858fe6',
    500: '#3964da',
    950: '#000000',
  },
}

SCSS

$custom: #3964da;
$custom-light: #858fe6;
$custom-dark: #000000;

JSON

{
  "hex": "#3964da",
  "rgb": {
    "r": 57,
    "g": 100,
    "b": 218
  },
  "hsl": {
    "h": 223.975,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.54123,
    "c": 0.18725,
    "h": 265.4
  },
  "luminance": 0.15046
}

Semantic roles & 50–950 ramp

primary

#3964DA

secondary

#DAC795

accent

#BD3CEB

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0D0C16

muted

#7D7D84

Preview Lab

Preview with #3964DA

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

Preview Lab → · Contrast checker → · Palette generator →