#3948BA#3948BA

#3948BA is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.2% C 0.179 H 271.7°. Best body text is #FFFFFF at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#3948BA
RGB	rgb(57, 72, 186)
HSL	hsl(233, 53%, 48%)
HSV	hsv(233, 69%, 73%)
CMYK	cmyk(69.4%, 61.3%, 0%, 27.1%)
CIE-LAB	lab(36.08, 32.25, -61.91)
CIE-LCH	lch(36.08, 69.80, 297.51°)
OKLab	oklab(46.17% 0.0052 -0.1786)
OKLCH	oklch(46.17% 0.179 271.7)
XYZ	xyz(12.8646, 9.0485, 47.5134)
Luminance	0.0905 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.74

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3948BA #BAAB39

analogous

#3989BA #3948BA #6A39BA

triadic

#3948BA #BA3948 #48BA39

tetradic

#3948BA #BA3989 #BAAB39 #39BA6A

square

#3948BA #BA3989 #BAAB39 #39BA6A

split-complementary

#3948BA #BA6A39 #89BA39

monochromatic

#1C245C #2B368B #3948BA #616ECF #9099DD

Accessibility & contrast

On white

7.47

#3948BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#3948BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3948BA

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3948BA	#FFFFFF	#000000	##FFFFFF
##3948BA	1.00	7.47	2.81	7.47
#FFFFFF	7.47	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BBE

Deuteranopia (green-blind)

#004FB8

Tritanopia (blue-blind)

#00657A

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3948ba;
/* rgb */ color: rgb(57, 72, 186);
/* oklch */ color: oklch(46.2% 0.179 271.7);

Tailwind

colors: {
  custom: {
    50: '#807bd0',
    500: '#3948ba',
    950: '#000000',
  },
}

SCSS

$custom: #3948ba;
$custom-light: #807bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3948ba",
  "rgb": {
    "r": 57,
    "g": 72,
    "b": 186
  },
  "hsl": {
    "h": 233.023,
    "s": 53.086,
    "l": 47.647
  },
  "oklch": {
    "l": 0.46169,
    "c": 0.17868,
    "h": 271.7
  },
  "luminance": 0.0905
}

Semantic roles & 50–950 ramp

primary

#3948BA

secondary

#C8C087

accent

#CC4BDC

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #3948BA

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

Preview Lab → · Contrast checker → · Palette generator →