#3964DC#3964DC

#3964DC is a mid, vivid blue. Relative luminance 0.152; OKLCH L 54.3% C 0.190 H 265.5°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#3964DC
RGB	rgb(57, 100, 220)
HSL	hsl(224, 70%, 54%)
HSV	hsv(224, 74%, 86%)
CMYK	cmyk(74.1%, 54.5%, 0%, 13.7%)
CIE-LAB	lab(45.84, 26.62, -65.68)
CIE-LCH	lch(45.84, 70.87, 292.06°)
OKLab	oklab(54.28% -0.0149 -0.1893)
OKLCH	oklch(54.28% 0.19 265.5)
XYZ	xyz(19.1582, 15.1494, 69.6107)
Luminance	0.1515 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3964DC #DCB139

analogous

#39B5DC #3964DC #6039DC

triadic

#3964DC #DC3964 #64DC39

tetradic

#3964DC #DC39B5 #DCB139 #39DC60

square

#3964DC #DC39B5 #DCB139 #39DC60

split-complementary

#3964DC #DC6039 #B5DC39

monochromatic

#173483 #2048B7 #3964DC #6D8DE5 #A1B5EE

Accessibility & contrast

On white

5.21

#3964DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#3964DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3964DC

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3964DC	#FFFFFF	#000000	##FFFFFF
##3964DC	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074E0

Deuteranopia (green-blind)

#0065DA

Tritanopia (blue-blind)

#008196

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3964dc;
/* rgb */ color: rgb(57, 100, 220);
/* oklch */ color: oklch(54.3% 0.190 265.5);

Tailwind

colors: {
  custom: {
    50: '#858fe8',
    500: '#3964dc',
    950: '#000000',
  },
}

SCSS

$custom: #3964dc;
$custom-light: #858fe8;
$custom-dark: #000000;

JSON

{
  "hex": "#3964dc",
  "rgb": {
    "r": 57,
    "g": 100,
    "b": 220
  },
  "hsl": {
    "h": 224.172,
    "s": 69.957,
    "l": 54.314
  },
  "oklch": {
    "l": 0.54277,
    "c": 0.18989,
    "h": 265.5
  },
  "luminance": 0.15152
}

Semantic roles & 50–950 ramp

primary

#3964DC

secondary

#DBC996

accent

#BE3BED

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #3964DC

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

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