#3945BC#3945BC

#3945BC is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.8% C 0.185 H 272.3°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#3945BC
RGB	rgb(57, 69, 188)
HSL	hsl(235, 53%, 48%)
HSV	hsv(235, 70%, 74%)
CMYK	cmyk(69.7%, 63.3%, 0%, 26.3%)
CIE-LAB	lab(35.51, 34.86, -64.01)
CIE-LCH	lch(35.51, 72.89, 298.57°)
OKLab	oklab(45.8% 0.0074 -0.1848)
OKLCH	oklch(45.8% 0.185 272.3)
XYZ	xyz(12.8895, 8.7557, 48.5779)
Luminance	0.0876 (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

#3945BC #BCB039

analogous

#3986BC #3945BC #6E39BC

triadic

#3945BC #BC3945 #45BC39

tetradic

#3945BC #BC3986 #BCB039 #39BC6E

square

#3945BC #BC3986 #BCB039 #39BC6E

split-complementary

#3945BC #BC6E39 #86BC39

monochromatic

#1D235E #2B348D #3945BC #636DD0 #9299DE

Accessibility & contrast

On white

7.63

#3945BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#3945BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3945BC

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3945BC	#FFFFFF	#000000	##FFFFFF
##3945BC	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC0

Deuteranopia (green-blind)

#004EBA

Tritanopia (blue-blind)

#00647A

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3945bc;
/* rgb */ color: rgb(57, 69, 188);
/* oklch */ color: oklch(45.8% 0.185 272.3);

Tailwind

colors: {
  custom: {
    50: '#8178d1',
    500: '#3945bc',
    950: '#000000',
  },
}

SCSS

$custom: #3945bc;
$custom-light: #8178d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3945bc",
  "rgb": {
    "r": 57,
    "g": 69,
    "b": 188
  },
  "hsl": {
    "h": 234.504,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.45802,
    "c": 0.18495,
    "h": 272.3
  },
  "luminance": 0.08757
}

Semantic roles & 50–950 ramp

primary

#3945BC

secondary

#C9C388

accent

#CF4BDD

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3945BC

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

Preview Lab → · Contrast checker → · Palette generator →