#3948BC#3948BC

#3948BC is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.3% C 0.181 H 271.6°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#3948BC
RGB	rgb(57, 72, 188)
HSL	hsl(233, 53%, 48%)
HSV	hsv(233, 70%, 74%)
CMYK	cmyk(69.7%, 61.7%, 0%, 26.3%)
CIE-LAB	lab(36.24, 32.96, -62.82)
CIE-LCH	lch(36.24, 70.94, 297.68°)
OKLab	oklab(46.34% 0.0052 -0.1813)
OKLCH	oklch(46.34% 0.181 271.6)
XYZ	xyz(13.0787, 9.1342, 48.6410)
Luminance	0.0914 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.60

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3948BC #BCAD39

analogous

#3989BC #3948BC #6C39BC

triadic

#3948BC #BC3948 #48BC39

tetradic

#3948BC #BC3989 #BCAD39 #39BC6C

square

#3948BC #BC3989 #BCAD39 #39BC6C

split-complementary

#3948BC #BC6C39 #89BC39

monochromatic

#1D245E #2B368D #3948BC #636FD0 #929ADE

Accessibility & contrast

On white

7.43

#3948BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#3948BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3948BC

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3948BC	#FFFFFF	#000000	##FFFFFF
##3948BC	1.00	7.43	2.83	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC0

Deuteranopia (green-blind)

#004FBA

Tritanopia (blue-blind)

#00657B

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3948bc;
/* rgb */ color: rgb(57, 72, 188);
/* oklch */ color: oklch(46.3% 0.181 271.6);

Tailwind

colors: {
  custom: {
    50: '#807bd1',
    500: '#3948bc',
    950: '#000000',
  },
}

SCSS

$custom: #3948bc;
$custom-light: #807bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3948bc",
  "rgb": {
    "r": 57,
    "g": 72,
    "b": 188
  },
  "hsl": {
    "h": 233.13,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.46341,
    "c": 0.18134,
    "h": 271.6
  },
  "luminance": 0.09135
}

Semantic roles & 50–950 ramp

primary

#3948BC

secondary

#C9C188

accent

#CC4BDD

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3948BC

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

Preview Lab → · Contrast checker → · Palette generator →