#3A3CA1#3A3CA1

#3A3CA1 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.9% C 0.160 H 276.2°. Best body text is #FFFFFF at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#3A3CA1
RGB	rgb(58, 60, 161)
HSL	hsl(239, 47%, 43%)
HSV	hsv(239, 64%, 63%)
CMYK	cmyk(64%, 62.7%, 0%, 36.9%)
CIE-LAB	lab(31.12, 31.28, -55.09)
CIE-LCH	lch(31.12, 63.35, 299.59°)
OKLab	oklab(41.9% 0.0172 -0.1587)
OKLCH	oklch(41.9% 0.16 276.2)
XYZ	xyz(9.7917, 6.7037, 34.4892)
Luminance	0.0670 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.57

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A3CA1 #A19F3A

analogous

#3A6FA1 #3A3CA1 #6B3AA1

triadic

#3A3CA1 #A13A3C #3CA13A

tetradic

#3A3CA1 #A13A6F #A19F3A #3AA16B

square

#3A3CA1 #A13A6F #A19F3A #3AA16B

split-complementary

#3A3CA1 #A16B3A #6FA13A

monochromatic

#1A1A47 #2A2B74 #3A3CA1 #5658C2 #8385D2

Accessibility & contrast

On white

8.97

#3A3CA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#3A3CA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3CA1

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3CA1	#FFFFFF	#000000	##FFFFFF
##3A3CA1	1.00	8.97	2.34	8.97
#FFFFFF	8.97	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA4

Deuteranopia (green-blind)

#00459F

Tritanopia (blue-blind)

#005568

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3a3ca1;
/* rgb */ color: rgb(58, 60, 161);
/* oklch */ color: oklch(41.9% 0.160 276.2);

Tailwind

colors: {
  custom: {
    50: '#7c72be',
    500: '#3a3ca1',
    950: '#000000',
  },
}

SCSS

$custom: #3a3ca1;
$custom-light: #7c72be;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3ca1",
  "rgb": {
    "r": 58,
    "g": 60,
    "b": 161
  },
  "hsl": {
    "h": 238.835,
    "s": 47.032,
    "l": 42.941
  },
  "oklch": {
    "l": 0.41895,
    "c": 0.15958,
    "h": 276.2
  },
  "luminance": 0.06704
}

Semantic roles & 50–950 ramp

primary

#3A3CA1

secondary

#BCBB7B

accent

#D451D7

background

#F8F6FB

surface

#EFECF7

border

#CAC7D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #3A3CA1

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

Preview Lab → · Contrast checker → · Palette generator →