#3949AC#3949AC

#3949AC is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.2% C 0.158 H 271.6°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#3949AC
RGB	rgb(57, 73, 172)
HSL	hsl(232, 50%, 45%)
HSV	hsv(232, 67%, 67%)
CMYK	cmyk(66.9%, 57.6%, 0%, 32.5%)
CIE-LAB	lab(35.23, 26.59, -55.01)
CIE-LCH	lch(35.23, 61.10, 295.80°)
OKLab	oklab(45.19% 0.0044 -0.1583)
OKLCH	oklch(45.19% 0.158 271.6)
XYZ	xyz(11.5138, 8.6125, 40.0773)
Luminance	0.0861 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3949AC #AC9C39

analogous

#3983AC #3949AC #6239AC

triadic

#3949AC #AC3949 #49AC39

tetradic

#3949AC #AC3983 #AC9C39 #39AC62

square

#3949AC #AC3983 #AC9C39 #39AC62

split-complementary

#3949AC #AC6239 #83AC39

monochromatic

#1B2250 #2A357E #3949AC #5A69C8 #8893D8

Accessibility & contrast

On white

7.71

#3949AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3949AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3949AC

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3949AC	#FFFFFF	#000000	##FFFFFF
##3949AC	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058AF

Deuteranopia (green-blind)

#004EAA

Tritanopia (blue-blind)

#006173

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3949ac;
/* rgb */ color: rgb(57, 73, 172);
/* oklch */ color: oklch(45.2% 0.158 271.6);

Tailwind

colors: {
  custom: {
    50: '#7d7bc5',
    500: '#3949ac',
    950: '#000000',
  },
}

SCSS

$custom: #3949ac;
$custom-light: #7d7bc5;
$custom-dark: #000000;

JSON

{
  "hex": "#3949ac",
  "rgb": {
    "r": 57,
    "g": 73,
    "b": 172
  },
  "hsl": {
    "h": 231.652,
    "s": 50.218,
    "l": 44.902
  },
  "oklch": {
    "l": 0.45191,
    "c": 0.15837,
    "h": 271.6
  },
  "luminance": 0.08614
}

Semantic roles & 50–950 ramp

primary

#3949AC

secondary

#C2B87F

accent

#C64EDA

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3949AC

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

Preview Lab → · Contrast checker → · Palette generator →