#3946B0#3946B0

#3946B0 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.9% C 0.168 H 272.4°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#3946B0
RGB	rgb(57, 70, 176)
HSL	hsl(233, 51%, 46%)
HSV	hsv(233, 68%, 69%)
CMYK	cmyk(67.6%, 60.2%, 0%, 31%)
CIE-LAB	lab(34.77, 29.97, -58.13)
CIE-LCH	lch(34.77, 65.40, 297.27°)
OKLab	oklab(44.95% 0.007 -0.1675)
OKLCH	oklch(44.95% 0.168 272.4)
XYZ	xyz(11.7113, 8.3837, 42.0669)
Luminance	0.0838 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3946B0 #B0A339

analogous

#3981B0 #3946B0 #6739B0

triadic

#3946B0 #B03946 #46B039

tetradic

#3946B0 #B03981 #B0A339 #39B067

square

#3946B0 #B03981 #B0A339 #39B067

split-complementary

#3946B0 #B06739 #81B039

monochromatic

#1B2154 #2A3482 #3946B0 #5C68CA #8A93D9

Accessibility & contrast

On white

7.84

#3946B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#3946B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3946B0

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3946B0	#FFFFFF	#000000	##FFFFFF
##3946B0	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B4

Deuteranopia (green-blind)

#004CAE

Tritanopia (blue-blind)

#006074

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3946b0;
/* rgb */ color: rgb(57, 70, 176);
/* oklch */ color: oklch(44.9% 0.168 272.4);

Tailwind

colors: {
  custom: {
    50: '#7e79c8',
    500: '#3946b0',
    950: '#000000',
  },
}

SCSS

$custom: #3946b0;
$custom-light: #7e79c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3946b0",
  "rgb": {
    "r": 57,
    "g": 70,
    "b": 176
  },
  "hsl": {
    "h": 233.445,
    "s": 51.073,
    "l": 45.686
  },
  "oklch": {
    "l": 0.44949,
    "c": 0.16768,
    "h": 272.4
  },
  "luminance": 0.08385
}

Semantic roles & 50–950 ramp

primary

#3946B0

secondary

#C4BC81

accent

#CB4DDB

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3946B0

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

Preview Lab → · Contrast checker → · Palette generator →