#3945BA#3945BA

#3945BA is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.6% C 0.182 H 272.4°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#3945BA
RGB	rgb(57, 69, 186)
HSL	hsl(234, 53%, 48%)
HSV	hsv(234, 69%, 73%)
CMYK	cmyk(69.4%, 62.9%, 0%, 27.1%)
CIE-LAB	lab(35.34, 34.15, -63.11)
CIE-LCH	lch(35.34, 71.76, 298.42°)
OKLab	oklab(45.63% 0.0075 -0.1822)
OKLCH	oklch(45.63% 0.182 272.4)
XYZ	xyz(12.6754, 8.6701, 47.4503)
Luminance	0.0867 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3945BA #BAAE39

analogous

#3985BA #3945BA #6E39BA

triadic

#3945BA #BA3945 #45BA39

tetradic

#3945BA #BA3985 #BAAE39 #39BA6E

square

#3945BA #BA3985 #BAAE39 #39BA6E

split-complementary

#3945BA #BA6E39 #85BA39

monochromatic

#1C225C #2B348B #3945BA #616CCF #9097DD

Accessibility & contrast

On white

7.68

#3945BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#3945BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3945BA

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3945BA	#FFFFFF	#000000	##FFFFFF
##3945BA	1.00	7.68	2.73	7.68
#FFFFFF	7.68	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BE

Deuteranopia (green-blind)

#004DB8

Tritanopia (blue-blind)

#006379

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3945ba;
/* rgb */ color: rgb(57, 69, 186);
/* oklch */ color: oklch(45.6% 0.182 272.4);

Tailwind

colors: {
  custom: {
    50: '#8078d0',
    500: '#3945ba',
    950: '#000000',
  },
}

SCSS

$custom: #3945ba;
$custom-light: #8078d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3945ba",
  "rgb": {
    "r": 57,
    "g": 69,
    "b": 186
  },
  "hsl": {
    "h": 234.419,
    "s": 53.086,
    "l": 47.647
  },
  "oklch": {
    "l": 0.45626,
    "c": 0.18231,
    "h": 272.4
  },
  "luminance": 0.08671
}

Semantic roles & 50–950 ramp

primary

#3945BA

secondary

#C8C287

accent

#CF4BDC

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #3945BA

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

Preview Lab → · Contrast checker → · Palette generator →