#3948D7#3948D7

#3948D7 is a mid, highly saturated blue. Relative luminance 0.104; OKLCH L 48.8% C 0.216 H 270.9°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#3948D7
RGB	rgb(57, 72, 215)
HSL	hsl(234, 66%, 53%)
HSV	hsv(234, 73%, 84%)
CMYK	cmyk(73.5%, 66.5%, 0%, 15.7%)
CIE-LAB	lab(38.57, 42.40, -74.69)
CIE-LCH	lch(38.57, 85.89, 299.58°)
OKLab	oklab(48.76% 0.0036 -0.216)
OKLCH	oklch(48.76% 0.216 270.9)
XYZ	xyz(16.2663, 10.4092, 65.4287)
Luminance	0.1041 (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

#3948D7 #D7C839

analogous

#3997D7 #3948D7 #7939D7

triadic

#3948D7 #D73948 #48D739

tetradic

#3948D7 #D73997 #D7C839 #39D779

square

#3948D7 #D73997 #D7C839 #39D779

split-complementary

#3948D7 #D77939 #97D739

monochromatic

#19237C #2331AF #3948D7 #6C77E1 #9FA6EC

Accessibility & contrast

On white

6.81

#3948D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#3948D7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3948D7

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3948D7	#FFFFFF	#000000	##FFFFFF
##3948D7	1.00	6.81	3.08	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062DB

Deuteranopia (green-blind)

#0053D4

Tritanopia (blue-blind)

#006E89

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3948d7;
/* rgb */ color: rgb(57, 72, 215);
/* oklch */ color: oklch(48.8% 0.216 270.9);

Tailwind

colors: {
  custom: {
    50: '#867be5',
    500: '#3948d7',
    950: '#000000',
  },
}

SCSS

$custom: #3948d7;
$custom-light: #867be5;
$custom-dark: #000000;

JSON

{
  "hex": "#3948d7",
  "rgb": {
    "r": 57,
    "g": 72,
    "b": 215
  },
  "hsl": {
    "h": 234.304,
    "s": 66.387,
    "l": 53.333
  },
  "oklch": {
    "l": 0.4876,
    "c": 0.21607,
    "h": 270.9
  },
  "luminance": 0.10411
}

Semantic roles & 50–950 ramp

primary

#3948D7

secondary

#D8D194

accent

#D93EE9

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #3948D7

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

Preview Lab → · Contrast checker → · Palette generator →