#3946B5#3946B5

#3946B5 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.4% C 0.174 H 272.3°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#3946B5
RGB	rgb(57, 70, 181)
HSL	hsl(234, 52%, 47%)
HSV	hsv(234, 69%, 71%)
CMYK	cmyk(68.5%, 61.3%, 0%, 29%)
CIE-LAB	lab(35.17, 31.75, -60.44)
CIE-LCH	lch(35.17, 68.27, 297.71°)
OKLab	oklab(45.37% 0.0069 -0.1743)
OKLCH	oklch(45.37% 0.174 272.3)
XYZ	xyz(12.2152, 8.5852, 44.7205)
Luminance	0.0859 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3946B5 #B5A839

analogous

#3984B5 #3946B5 #6A39B5

triadic

#3946B5 #B53946 #46B539

tetradic

#3946B5 #B53984 #B5A839 #39B56A

square

#3946B5 #B53984 #B5A839 #39B56A

split-complementary

#3946B5 #B56A39 #84B539

monochromatic

#1C2258 #2A3486 #3946B5 #5F6ACD #8D95DB

Accessibility & contrast

On white

7.73

#3946B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3946B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3946B5

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3946B5	#FFFFFF	#000000	##FFFFFF
##3946B5	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B9

Deuteranopia (green-blind)

#004DB3

Tritanopia (blue-blind)

#006277

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3946b5;
/* rgb */ color: rgb(57, 70, 181);
/* oklch */ color: oklch(45.4% 0.174 272.3);

Tailwind

colors: {
  custom: {
    50: '#7f79cc',
    500: '#3946b5',
    950: '#000000',
  },
}

SCSS

$custom: #3946b5;
$custom-light: #7f79cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3946b5",
  "rgb": {
    "r": 57,
    "g": 70,
    "b": 181
  },
  "hsl": {
    "h": 233.71,
    "s": 52.101,
    "l": 46.667
  },
  "oklch": {
    "l": 0.45374,
    "c": 0.17443,
    "h": 272.3
  },
  "luminance": 0.08586
}

Semantic roles & 50–950 ramp

primary

#3946B5

secondary

#C6BF84

accent

#CD4CDC

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3946B5

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

Preview Lab → · Contrast checker → · Palette generator →