#3943BD#3943BD

#3943BD is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.5% C 0.189 H 272.7°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#3943BD
RGB	rgb(57, 67, 189)
HSL	hsl(235, 54%, 48%)
HSV	hsv(235, 70%, 74%)
CMYK	cmyk(69.8%, 64.6%, 0%, 25.9%)
CIE-LAB	lab(35.12, 36.47, -65.24)
CIE-LCH	lch(35.12, 74.74, 299.20°)
OKLab	oklab(45.54% 0.0088 -0.1884)
OKLCH	oklch(45.54% 0.189 272.7)
XYZ	xyz(12.8767, 8.5570, 49.1073)
Luminance	0.0856 (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

#3943BD #BDB339

analogous

#3985BD #3943BD #7139BD

triadic

#3943BD #BD3943 #43BD39

tetradic

#3943BD #BD3985 #BDB339 #39BD71

square

#3943BD #BD3985 #BDB339 #39BD71

split-complementary

#3943BD #BD7139 #85BD39

monochromatic

#1D225F #2B328E #3943BD #636BD0 #9298DE

Accessibility & contrast

On white

7.74

#3943BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#3943BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3943BD

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3943BD	#FFFFFF	#000000	##FFFFFF
##3943BD	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C1

Deuteranopia (green-blind)

#004DBB

Tritanopia (blue-blind)

#00637A

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3943bd;
/* rgb */ color: rgb(57, 67, 189);
/* oklch */ color: oklch(45.5% 0.189 272.7);

Tailwind

colors: {
  custom: {
    50: '#8177d2',
    500: '#3943bd',
    950: '#000000',
  },
}

SCSS

$custom: #3943bd;
$custom-light: #8177d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3943bd",
  "rgb": {
    "r": 57,
    "g": 67,
    "b": 189
  },
  "hsl": {
    "h": 235.455,
    "s": 53.659,
    "l": 48.235
  },
  "oklch": {
    "l": 0.45541,
    "c": 0.18862,
    "h": 272.7
  },
  "luminance": 0.08558
}

Semantic roles & 50–950 ramp

primary

#3943BD

secondary

#C9C489

accent

#D24BDD

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3943BD

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

Preview Lab → · Contrast checker → · Palette generator →