#3948C4#3948C4

#3948C4 is a mid, vivid blue. Relative luminance 0.095; OKLCH L 47.0% C 0.192 H 271.5°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#3948C4
RGB	rgb(57, 72, 196)
HSL	hsl(234, 55%, 50%)
HSV	hsv(234, 71%, 77%)
CMYK	cmyk(70.9%, 63.3%, 0%, 23.1%)
CIE-LAB	lab(36.91, 35.78, -66.41)
CIE-LCH	lch(36.91, 75.44, 298.32°)
OKLab	oklab(47.04% 0.0049 -0.1918)
OKLCH	oklch(47.04% 0.192 271.5)
XYZ	xyz(13.9651, 9.4887, 53.3094)
Luminance	0.0949 (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

#3948C4 #C4B539

analogous

#398EC4 #3948C4 #6F39C4

triadic

#3948C4 #C43948 #48C439

tetradic

#3948C4 #C4398E #C4B539 #39C46F

square

#3948C4 #C4398E #C4B539 #39C46F

split-complementary

#3948C4 #C46F39 #8EC439

monochromatic

#1D2565 #2B3795 #3948C4 #6773D3 #979FE1

Accessibility & contrast

On white

7.25

#3948C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#3948C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3948C4

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3948C4	#FFFFFF	#000000	##FFFFFF
##3948C4	1.00	7.25	2.90	7.25
#FFFFFF	7.25	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DC8

Deuteranopia (green-blind)

#0050C2

Tritanopia (blue-blind)

#00687F

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3948c4;
/* rgb */ color: rgb(57, 72, 196);
/* oklch */ color: oklch(47.0% 0.192 271.5);

Tailwind

colors: {
  custom: {
    50: '#827bd7',
    500: '#3948c4',
    950: '#000000',
  },
}

SCSS

$custom: #3948c4;
$custom-light: #827bd7;
$custom-dark: #000000;

JSON

{
  "hex": "#3948c4",
  "rgb": {
    "r": 57,
    "g": 72,
    "b": 196
  },
  "hsl": {
    "h": 233.525,
    "s": 54.941,
    "l": 49.608
  },
  "oklch": {
    "l": 0.47039,
    "c": 0.19186,
    "h": 271.5
  },
  "luminance": 0.0949
}

Semantic roles & 50–950 ramp

primary

#3948C4

secondary

#CCC58D

accent

#CE4ADE

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3948C4

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

Preview Lab → · Contrast checker → · Palette generator →