#3A3AA4#3A3AA4

#3A3AA4 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.8% C 0.166 H 276.5°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#3A3AA4
RGB	rgb(58, 58, 164)
HSL	hsl(240, 48%, 44%)
HSV	hsv(240, 65%, 64%)
CMYK	cmyk(64.6%, 64.6%, 0%, 35.7%)
CIE-LAB	lab(30.89, 33.59, -57.28)
CIE-LCH	lch(30.89, 66.40, 300.39°)
OKLab	oklab(41.8% 0.0187 -0.1651)
OKLCH	oklch(41.8% 0.166 276.5)
XYZ	xyz(9.9566, 6.6052, 35.8650)
Luminance	0.0661 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.11

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A3AA4 #A4A43A

analogous

#3A6FA4 #3A3AA4 #6F3AA4

triadic

#3A3AA4 #A43A3A #3AA43A

tetradic

#3A3AA4 #A43A6F #A4A43A #3AA46F

square

#3A3AA4 #A43A6F #A4A43A #3AA46F

split-complementary

#3A3AA4 #A46F3A #6FA43A

monochromatic

#1A1A4A #2A2A77 #3A3AA4 #5757C4 #8585D4

Accessibility & contrast

On white

9.05

#3A3AA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#3A3AA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3AA4

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3AA4	#FFFFFF	#000000	##FFFFFF
##3A3AA4	1.00	9.05	2.32	9.05
#FFFFFF	9.05	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA7

Deuteranopia (green-blind)

#0044A2

Tritanopia (blue-blind)

#005569

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3a3aa4;
/* rgb */ color: rgb(58, 58, 164);
/* oklch */ color: oklch(41.8% 0.166 276.5);

Tailwind

colors: {
  custom: {
    50: '#7d70c0',
    500: '#3a3aa4',
    950: '#000000',
  },
}

SCSS

$custom: #3a3aa4;
$custom-light: #7d70c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3aa4",
  "rgb": {
    "r": 58,
    "g": 58,
    "b": 164
  },
  "hsl": {
    "h": 240,
    "s": 47.748,
    "l": 43.529
  },
  "oklch": {
    "l": 0.41803,
    "c": 0.16613,
    "h": 276.5
  },
  "luminance": 0.06606
}

Semantic roles & 50–950 ramp

primary

#3A3AA4

secondary

#BEBE7C

accent

#D750D7

background

#F8F6FB

surface

#EFECF7

border

#CAC7D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #3A3AA4

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

Preview Lab → · Contrast checker → · Palette generator →