#3946B8#3946B8

#3946B8 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.6% C 0.178 H 272.2°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#3946B8
RGB	rgb(57, 70, 184)
HSL	hsl(234, 53%, 47%)
HSV	hsv(234, 69%, 72%)
CMYK	cmyk(69%, 62%, 0%, 27.8%)
CIE-LAB	lab(35.42, 32.81, -61.81)
CIE-LCH	lch(35.42, 69.98, 297.96°)
OKLab	oklab(45.63% 0.0068 -0.1783)
OKLCH	oklch(45.63% 0.178 272.2)
XYZ	xyz(12.5263, 8.7097, 46.3591)
Luminance	0.0871 (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

#3946B8 #B8AB39

analogous

#3986B8 #3946B8 #6B39B8

triadic

#3946B8 #B83946 #46B839

tetradic

#3946B8 #B83986 #B8AB39 #39B86B

square

#3946B8 #B83986 #B8AB39 #39B86B

split-complementary

#3946B8 #B86B39 #86B839

monochromatic

#1C225B #2B3489 #3946B8 #606CCE #8F97DC

Accessibility & contrast

On white

7.66

#3946B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#3946B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3946B8

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3946B8	#FFFFFF	#000000	##FFFFFF
##3946B8	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BC

Deuteranopia (green-blind)

#004EB6

Tritanopia (blue-blind)

#006378

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3946b8;
/* rgb */ color: rgb(57, 70, 184);
/* oklch */ color: oklch(45.6% 0.178 272.2);

Tailwind

colors: {
  custom: {
    50: '#8079ce',
    500: '#3946b8',
    950: '#000000',
  },
}

SCSS

$custom: #3946b8;
$custom-light: #8079ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3946b8",
  "rgb": {
    "r": 57,
    "g": 70,
    "b": 184
  },
  "hsl": {
    "h": 233.858,
    "s": 52.697,
    "l": 47.255
  },
  "oklch": {
    "l": 0.45632,
    "c": 0.17845,
    "h": 272.2
  },
  "luminance": 0.08711
}

Semantic roles & 50–950 ramp

primary

#3946B8

secondary

#C7C086

accent

#CD4CDC

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3946B8

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

Preview Lab → · Contrast checker → · Palette generator →