#3949A6#3949A6

#3949A6 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.7% C 0.150 H 271.6°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#3949A6
RGB	rgb(57, 73, 166)
HSL	hsl(231, 49%, 44%)
HSV	hsv(231, 66%, 65%)
CMYK	cmyk(65.7%, 56%, 0%, 34.9%)
CIE-LAB	lab(34.78, 24.43, -52.16)
CIE-LCH	lch(34.78, 57.60, 295.10°)
OKLab	oklab(44.71% 0.0042 -0.1499)
OKLCH	oklch(44.71% 0.15 271.6)
XYZ	xyz(10.9505, 8.3871, 37.1108)
Luminance	0.0839 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3949A6 #A69639

analogous

#397FA6 #3949A6 #5F39A6

triadic

#3949A6 #A63949 #49A639

tetradic

#3949A6 #A6397F #A69639 #39A65F

square

#3949A6 #A6397F #A69639 #39A65F

split-complementary

#3949A6 #A65F39 #7FA639

monochromatic

#1A214B #293578 #3949A6 #5767C5 #8490D5

Accessibility & contrast

On white

7.84

#3949A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#3949A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3949A6

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3949A6	#FFFFFF	#000000	##FFFFFF
##3949A6	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)

#0057A9

Deuteranopia (green-blind)

#004DA4

Tritanopia (blue-blind)

#005F70

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3949a6;
/* rgb */ color: rgb(57, 73, 166);
/* oklch */ color: oklch(44.7% 0.150 271.6);

Tailwind

colors: {
  custom: {
    50: '#7c7bc1',
    500: '#3949a6',
    950: '#000000',
  },
}

SCSS

$custom: #3949a6;
$custom-light: #7c7bc1;
$custom-dark: #000000;

JSON

{
  "hex": "#3949a6",
  "rgb": {
    "r": 57,
    "g": 73,
    "b": 166
  },
  "hsl": {
    "h": 231.193,
    "s": 48.879,
    "l": 43.725
  },
  "oklch": {
    "l": 0.44712,
    "c": 0.14999,
    "h": 271.6
  },
  "luminance": 0.08388
}

Semantic roles & 50–950 ramp

primary

#3949A6

secondary

#BFB57C

accent

#C44FD8

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3949A6

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

Preview Lab → · Contrast checker → · Palette generator →