#3948BF#3948BF

#3948BF is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.6% C 0.185 H 271.6°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#3948BF
RGB	rgb(57, 72, 191)
HSL	hsl(233, 54%, 49%)
HSV	hsv(233, 70%, 75%)
CMYK	cmyk(70.2%, 62.3%, 0%, 25.1%)
CIE-LAB	lab(36.49, 34.02, -64.17)
CIE-LCH	lch(36.49, 72.63, 297.93°)
OKLab	oklab(46.6% 0.0051 -0.1852)
OKLCH	oklch(46.6% 0.185 271.6)
XYZ	xyz(13.4055, 9.2649, 50.3619)
Luminance	0.0927 (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

#3948BF #BFB039

analogous

#398BBF #3948BF #6D39BF

triadic

#3948BF #BF3948 #48BF39

tetradic

#3948BF #BF398B #BFB039 #39BF6D

square

#3948BF #BF398B #BFB039 #39BF6D

split-complementary

#3948BF #BF6D39 #8BBF39

monochromatic

#1D2461 #2B3690 #3948BF #6470D1 #939CDF

Accessibility & contrast

On white

7.36

#3948BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#3948BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3948BF

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3948BF	#FFFFFF	#000000	##FFFFFF
##3948BF	1.00	7.36	2.85	7.36
#FFFFFF	7.36	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CC3

Deuteranopia (green-blind)

#0050BD

Tritanopia (blue-blind)

#00667D

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3948bf;
/* rgb */ color: rgb(57, 72, 191);
/* oklch */ color: oklch(46.6% 0.185 271.6);

Tailwind

colors: {
  custom: {
    50: '#817bd3',
    500: '#3948bf',
    950: '#000000',
  },
}

SCSS

$custom: #3948bf;
$custom-light: #817bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3948bf",
  "rgb": {
    "r": 57,
    "g": 72,
    "b": 191
  },
  "hsl": {
    "h": 233.284,
    "s": 54.032,
    "l": 48.627
  },
  "oklch": {
    "l": 0.46601,
    "c": 0.18531,
    "h": 271.6
  },
  "luminance": 0.09266
}

Semantic roles & 50–950 ramp

primary

#3948BF

secondary

#CAC38A

accent

#CD4ADD

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3948BF

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

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