#3949AA#3949AA

#3949AA is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.0% C 0.156 H 271.6°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#3949AA
RGB	rgb(57, 73, 170)
HSL	hsl(232, 50%, 45%)
HSV	hsv(232, 66%, 67%)
CMYK	cmyk(66.5%, 57.1%, 0%, 33.3%)
CIE-LAB	lab(35.08, 25.87, -54.06)
CIE-LCH	lch(35.08, 59.94, 295.57°)
OKLab	oklab(45.03% 0.0044 -0.1555)
OKLCH	oklch(45.03% 0.156 271.6)
XYZ	xyz(11.3231, 8.5362, 39.0733)
Luminance	0.0854 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3949AA #AA9A39

analogous

#3982AA #3949AA #6139AA

triadic

#3949AA #AA3949 #49AA39

tetradic

#3949AA #AA3982 #AA9A39 #39AA61

square

#3949AA #AA3982 #AA9A39 #39AA61

split-complementary

#3949AA #AA6139 #82AA39

monochromatic

#1A224E #2A357C #3949AA #5969C7 #8792D7

Accessibility & contrast

On white

7.76

#3949AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#3949AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3949AA

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3949AA	#FFFFFF	#000000	##FFFFFF
##3949AA	1.00	7.76	2.71	7.76
#FFFFFF	7.76	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058AD

Deuteranopia (green-blind)

#004EA8

Tritanopia (blue-blind)

#006072

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3949aa;
/* rgb */ color: rgb(57, 73, 170);
/* oklch */ color: oklch(45.0% 0.156 271.6);

Tailwind

colors: {
  custom: {
    50: '#7c7bc4',
    500: '#3949aa',
    950: '#000000',
  },
}

SCSS

$custom: #3949aa;
$custom-light: #7c7bc4;
$custom-dark: #000000;

JSON

{
  "hex": "#3949aa",
  "rgb": {
    "r": 57,
    "g": 73,
    "b": 170
  },
  "hsl": {
    "h": 231.504,
    "s": 49.78,
    "l": 44.51
  },
  "oklch": {
    "l": 0.4503,
    "c": 0.15559,
    "h": 271.6
  },
  "luminance": 0.08537
}

Semantic roles & 50–950 ramp

primary

#3949AA

secondary

#C1B77E

accent

#C64ED9

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3949AA

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

Preview Lab → · Contrast checker → · Palette generator →