#3949DA#3949DA

#3949DA is a mid, highly saturated blue. Relative luminance 0.107; OKLCH L 49.2% C 0.219 H 270.7°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#3949DA
RGB	rgb(57, 73, 218)
HSL	hsl(234, 69%, 54%)
HSV	hsv(234, 74%, 85%)
CMYK	cmyk(73.9%, 66.5%, 0%, 14.5%)
CIE-LAB	lab(39.06, 42.82, -75.60)
CIE-LCH	lch(39.06, 86.89, 299.53°)
OKLab	oklab(49.2% 0.0028 -0.2187)
OKLCH	oklch(49.2% 0.219 270.7)
XYZ	xyz(16.7205, 10.6951, 67.4992)
Luminance	0.1070 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.39

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3949DA #DACA39

analogous

#399ADA #3949DA #7A39DA

triadic

#3949DA #DA3949 #49DA39

tetradic

#3949DA #DA399A #DACA39 #39DA7A

square

#3949DA #DA399A #DACA39 #39DA7A

split-complementary

#3949DA #DA7A39 #9ADA39

monochromatic

#182281 #2230B4 #3949DA #6D78E4 #A0A8ED

Accessibility & contrast

On white

6.69

#3949DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#3949DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3949DA

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3949DA	#FFFFFF	#000000	##FFFFFF
##3949DA	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064DF

Deuteranopia (green-blind)

#0054D7

Tritanopia (blue-blind)

#00708B

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3949da;
/* rgb */ color: rgb(57, 73, 218);
/* oklch */ color: oklch(49.2% 0.219 270.7);

Tailwind

colors: {
  custom: {
    50: '#877ce7',
    500: '#3949da',
    950: '#000000',
  },
}

SCSS

$custom: #3949da;
$custom-light: #877ce7;
$custom-dark: #000000;

JSON

{
  "hex": "#3949da",
  "rgb": {
    "r": 57,
    "g": 73,
    "b": 218
  },
  "hsl": {
    "h": 234.037,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.49202,
    "c": 0.21871,
    "h": 270.7
  },
  "luminance": 0.10697
}

Semantic roles & 50–950 ramp

primary

#3949DA

secondary

#DAD395

accent

#DA3CEB

background

#F9F7FE

surface

#F1EEFD

border

#CBC9D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #3949DA

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

Preview Lab → · Contrast checker → · Palette generator →