#3943BE#3943BE

#3943BE is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.6% C 0.190 H 272.6°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#3943BE
RGB	rgb(57, 67, 190)
HSL	hsl(235, 54%, 48%)
HSV	hsv(235, 70%, 75%)
CMYK	cmyk(70%, 64.7%, 0%, 25.5%)
CIE-LAB	lab(35.20, 36.81, -65.69)
CIE-LCH	lch(35.20, 75.30, 299.27°)
OKLab	oklab(45.63% 0.0087 -0.1897)
OKLCH	oklch(45.63% 0.19 272.6)
XYZ	xyz(12.9856, 8.6006, 49.6809)
Luminance	0.0860 (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

#3943BE #BEB439

analogous

#3985BE #3943BE #7139BE

triadic

#3943BE #BE3943 #43BE39

tetradic

#3943BE #BE3985 #BEB439 #39BE71

square

#3943BE #BE3985 #BEB439 #39BE71

split-complementary

#3943BE #BE7139 #85BE39

monochromatic

#1D2260 #2B328F #3943BE #646CD0 #9399DF

Accessibility & contrast

On white

7.72

#3943BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3943BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3943BE

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3943BE	#FFFFFF	#000000	##FFFFFF
##3943BE	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C2

Deuteranopia (green-blind)

#004DBC

Tritanopia (blue-blind)

#00637A

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3943be;
/* rgb */ color: rgb(57, 67, 190);
/* oklch */ color: oklch(45.6% 0.190 272.6);

Tailwind

colors: {
  custom: {
    50: '#8177d3',
    500: '#3943be',
    950: '#000000',
  },
}

SCSS

$custom: #3943be;
$custom-light: #8177d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3943be",
  "rgb": {
    "r": 57,
    "g": 67,
    "b": 190
  },
  "hsl": {
    "h": 235.489,
    "s": 53.846,
    "l": 48.431
  },
  "oklch": {
    "l": 0.45631,
    "c": 0.18992,
    "h": 272.6
  },
  "luminance": 0.08602
}

Semantic roles & 50–950 ramp

primary

#3943BE

secondary

#CAC589

accent

#D24BDD

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3943BE

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

Preview Lab → · Contrast checker → · Palette generator →