#3949D4#3949D4

#3949D4 is a mid, highly saturated blue. Relative luminance 0.104; OKLCH L 48.6% C 0.211 H 270.9°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#3949D4
RGB	rgb(57, 73, 212)
HSL	hsl(234, 64%, 53%)
HSV	hsv(234, 73%, 83%)
CMYK	cmyk(73.1%, 65.6%, 0%, 16.9%)
CIE-LAB	lab(38.53, 40.75, -73.03)
CIE-LCH	lch(38.53, 83.63, 299.16°)
OKLab	oklab(48.65% 0.0032 -0.2112)
OKLCH	oklch(48.65% 0.211 270.9)
XYZ	xyz(15.9495, 10.3867, 63.4389)
Luminance	0.1039 (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

#3949D4 #D4C439

analogous

#3997D4 #3949D4 #7639D4

triadic

#3949D4 #D43949 #49D439

tetradic

#3949D4 #D43997 #D4C439 #39D476

square

#3949D4 #D43997 #D4C439 #39D476

split-complementary

#3949D4 #D47639 #97D439

monochromatic

#1A2478 #2533AB #3949D4 #6B77DF #9EA5EA

Accessibility & contrast

On white

6.82

#3949D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#3949D4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3949D4

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3949D4	#FFFFFF	#000000	##FFFFFF
##3949D4	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062D8

Deuteranopia (green-blind)

#0053D1

Tritanopia (blue-blind)

#006E88

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3949d4;
/* rgb */ color: rgb(57, 73, 212);
/* oklch */ color: oklch(48.6% 0.211 270.9);

Tailwind

colors: {
  custom: {
    50: '#857ce2',
    500: '#3949d4',
    950: '#000000',
  },
}

SCSS

$custom: #3949d4;
$custom-light: #857ce2;
$custom-dark: #000000;

JSON

{
  "hex": "#3949d4",
  "rgb": {
    "r": 57,
    "g": 73,
    "b": 212
  },
  "hsl": {
    "h": 233.806,
    "s": 64.315,
    "l": 52.745
  },
  "oklch": {
    "l": 0.4865,
    "c": 0.2112,
    "h": 270.9
  },
  "luminance": 0.10388
}

Semantic roles & 50–950 ramp

primary

#3949D4

secondary

#D6CF93

accent

#D640E7

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #3949D4

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

Preview Lab → · Contrast checker → · Palette generator →