#3949A2#3949A2

#3949A2 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.4% C 0.144 H 271.6°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#3949A2
RGB	rgb(57, 73, 162)
HSL	hsl(231, 48%, 43%)
HSV	hsv(231, 65%, 64%)
CMYK	cmyk(64.8%, 54.9%, 0%, 36.5%)
CIE-LAB	lab(34.48, 22.99, -50.23)
CIE-LCH	lch(34.48, 55.25, 294.59°)
OKLab	oklab(44.4% 0.004 -0.1443)
OKLCH	oklch(44.4% 0.144 271.6)
XYZ	xyz(10.5893, 8.2427, 35.2084)
Luminance	0.0824 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3949A2 #A29239

analogous

#397DA2 #3949A2 #5D39A2

triadic

#3949A2 #A23949 #49A239

tetradic

#3949A2 #A2397D #A29239 #39A25D

square

#3949A2 #A2397D #A29239 #39A25D

split-complementary

#3949A2 #A25D39 #7DA239

monochromatic

#192047 #293575 #3949A2 #5566C3 #828FD3

Accessibility & contrast

On white

7.93

#3949A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#3949A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3949A2

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3949A2	#FFFFFF	#000000	##FFFFFF
##3949A2	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0856A5

Deuteranopia (green-blind)

#004DA0

Tritanopia (blue-blind)

#005E6E

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3949a2;
/* rgb */ color: rgb(57, 73, 162);
/* oklch */ color: oklch(44.4% 0.144 271.6);

Tailwind

colors: {
  custom: {
    50: '#7b7bbe',
    500: '#3949a2',
    950: '#000000',
  },
}

SCSS

$custom: #3949a2;
$custom-light: #7b7bbe;
$custom-dark: #000000;

JSON

{
  "hex": "#3949a2",
  "rgb": {
    "r": 57,
    "g": 73,
    "b": 162
  },
  "hsl": {
    "h": 230.857,
    "s": 47.945,
    "l": 42.941
  },
  "oklch": {
    "l": 0.44399,
    "c": 0.14433,
    "h": 271.6
  },
  "luminance": 0.08244
}

Semantic roles & 50–950 ramp

primary

#3949A2

secondary

#BDB37A

accent

#C350D8

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3949A2

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

Preview Lab → · Contrast checker → · Palette generator →