#3965DA#3965DA

#3965DA is a mid, vivid blue. Relative luminance 0.152; OKLCH L 54.3% C 0.186 H 265.1°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#3965DA
RGB	rgb(57, 101, 218)
HSL	hsl(224, 69%, 54%)
HSV	hsv(224, 74%, 85%)
CMYK	cmyk(73.9%, 53.7%, 0%, 14.5%)
CIE-LAB	lab(45.96, 25.25, -64.35)
CIE-LCH	lch(45.96, 69.12, 291.43°)
OKLab	oklab(54.32% -0.0158 -0.1854)
OKLCH	oklch(54.32% 0.186 265.1)
XYZ	xyz(18.9915, 15.2371, 68.2562)
Luminance	0.1524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3965DA #DAAE39

analogous

#39B6DA #3965DA #5D39DA

triadic

#3965DA #DA3965 #65DA39

tetradic

#3965DA #DA39B6 #DAAE39 #39DA5D

square

#3965DA #DA39B6 #DAAE39 #39DA5D

split-complementary

#3965DA #DA5D39 #B6DA39

monochromatic

#183581 #224AB4 #3965DA #6D8DE4 #A0B5ED

Accessibility & contrast

On white

5.19

#3965DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#3965DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3965DA

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3965DA	#FFFFFF	#000000	##FFFFFF
##3965DA	1.00	5.19	4.05	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075DE

Deuteranopia (green-blind)

#0066D8

Tritanopia (blue-blind)

#008296

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3965da;
/* rgb */ color: rgb(57, 101, 218);
/* oklch */ color: oklch(54.3% 0.186 265.1);

Tailwind

colors: {
  custom: {
    50: '#8590e6',
    500: '#3965da',
    950: '#000000',
  },
}

SCSS

$custom: #3965da;
$custom-light: #8590e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3965da",
  "rgb": {
    "r": 57,
    "g": 101,
    "b": 218
  },
  "hsl": {
    "h": 223.602,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.54322,
    "c": 0.18604,
    "h": 265.1
  },
  "luminance": 0.15239
}

Semantic roles & 50–950 ramp

primary

#3965DA

secondary

#DAC795

accent

#BC3CEB

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0D0C16

muted

#7D7D84

Preview Lab

Preview with #3965DA

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

Preview Lab → · Contrast checker → · Palette generator →