#3943C4#3943C4

#3943C4 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 46.2% C 0.198 H 272.4°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#3943C4
RGB	rgb(57, 67, 196)
HSL	hsl(236, 55%, 50%)
HSV	hsv(236, 71%, 77%)
CMYK	cmyk(70.9%, 65.8%, 0%, 23.1%)
CIE-LAB	lab(35.73, 38.90, -68.34)
CIE-LCH	lch(35.73, 78.64, 299.65°)
OKLab	oklab(46.18% 0.0082 -0.1975)
OKLCH	oklch(46.18% 0.198 272.4)
XYZ	xyz(13.6549, 8.8683, 53.2060)
Luminance	0.0887 (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

#3943C4 #C4BA39

analogous

#3989C4 #3943C4 #7439C4

triadic

#3943C4 #C43943 #43C439

tetradic

#3943C4 #C43989 #C4BA39 #39C474

square

#3943C4 #C43989 #C4BA39 #39C474

split-complementary

#3943C4 #C47439 #89C439

monochromatic

#1D2365 #2B3395 #3943C4 #676FD3 #979CE1

Accessibility & contrast

On white

7.57

#3943C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#3943C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3943C4

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3943C4	#FFFFFF	#000000	##FFFFFF
##3943C4	1.00	7.57	2.77	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC8

Deuteranopia (green-blind)

#004EC2

Tritanopia (blue-blind)

#00657D

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3943c4;
/* rgb */ color: rgb(57, 67, 196);
/* oklch */ color: oklch(46.2% 0.198 272.4);

Tailwind

colors: {
  custom: {
    50: '#8277d7',
    500: '#3943c4',
    950: '#000000',
  },
}

SCSS

$custom: #3943c4;
$custom-light: #8277d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3943c4",
  "rgb": {
    "r": 57,
    "g": 67,
    "b": 196
  },
  "hsl": {
    "h": 235.683,
    "s": 54.941,
    "l": 49.608
  },
  "oklch": {
    "l": 0.46176,
    "c": 0.19766,
    "h": 272.4
  },
  "luminance": 0.0887
}

Semantic roles & 50–950 ramp

primary

#3943C4

secondary

#CCC88D

accent

#D44ADE

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #3943C4

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

Preview Lab → · Contrast checker → · Palette generator →