#3949AD#3949AD

#3949AD is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.3% C 0.160 H 271.6°. Best body text is #FFFFFF at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#3949AD
RGB	rgb(57, 73, 173)
HSL	hsl(232, 50%, 45%)
HSV	hsv(232, 67%, 68%)
CMYK	cmyk(67.1%, 57.8%, 0%, 32.2%)
CIE-LAB	lab(35.30, 26.95, -55.48)
CIE-LCH	lch(35.30, 61.68, 295.91°)
OKLab	oklab(45.27% 0.0044 -0.1597)
OKLCH	oklch(45.27% 0.16 271.6)
XYZ	xyz(11.6102, 8.6510, 40.5850)
Luminance	0.0865 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3949AD #AD9D39

analogous

#3983AD #3949AD #6339AD

triadic

#3949AD #AD3949 #49AD39

tetradic

#3949AD #AD3983 #AD9D39 #39AD63

square

#3949AD #AD3983 #AD9D39 #39AD63

split-complementary

#3949AD #AD6339 #83AD39

monochromatic

#1B2251 #2A367F #3949AD #5A6AC9 #8893D8

Accessibility & contrast

On white

7.69

#3949AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#3949AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3949AD

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3949AD	#FFFFFF	#000000	##FFFFFF
##3949AD	1.00	7.69	2.73	7.69
#FFFFFF	7.69	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B0

Deuteranopia (green-blind)

#004EAB

Tritanopia (blue-blind)

#006174

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3949ad;
/* rgb */ color: rgb(57, 73, 173);
/* oklch */ color: oklch(45.3% 0.160 271.6);

Tailwind

colors: {
  custom: {
    50: '#7d7bc6',
    500: '#3949ad',
    950: '#000000',
  },
}

SCSS

$custom: #3949ad;
$custom-light: #7d7bc6;
$custom-dark: #000000;

JSON

{
  "hex": "#3949ad",
  "rgb": {
    "r": 57,
    "g": 73,
    "b": 173
  },
  "hsl": {
    "h": 231.724,
    "s": 50.435,
    "l": 45.098
  },
  "oklch": {
    "l": 0.45272,
    "c": 0.15976,
    "h": 271.6
  },
  "luminance": 0.08652
}

Semantic roles & 50–950 ramp

primary

#3949AD

secondary

#C2B980

accent

#C74EDA

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3949AD

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

Preview Lab → · Contrast checker → · Palette generator →