#3A3BB4#3A3BB4

#3A3BB4 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.4% C 0.186 H 275.1°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#3A3BB4
RGB	rgb(58, 59, 180)
HSL	hsl(240, 51%, 47%)
HSV	hsv(240, 68%, 71%)
CMYK	cmyk(67.8%, 67.2%, 0%, 29.4%)
CIE-LAB	lab(32.53, 38.44, -64.17)
CIE-LCH	lch(32.53, 74.80, 300.93°)
OKLab	oklab(43.43% 0.0164 -0.1853)
OKLCH	oklch(43.43% 0.186 275.1)
XYZ	xyz(11.5444, 7.3217, 43.9760)
Luminance	0.0732 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A3BB4 #B4B33A

analogous

#3A78B4 #3A3BB4 #763AB4

triadic

#3A3BB4 #B43A3B #3BB43A

tetradic

#3A3BB4 #B43A78 #B4B33A #3AB476

square

#3A3BB4 #B43A78 #B4B33A #3AB476

split-complementary

#3A3BB4 #B4763A #78B43A

monochromatic

#1C1D57 #2B2C86 #3A3BB4 #6060CC #8E8EDB

Accessibility & contrast

On white

8.52

#3A3BB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#3A3BB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3BB4

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3BB4	#FFFFFF	#000000	##FFFFFF
##3A3BB4	1.00	8.52	2.46	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B8

Deuteranopia (green-blind)

#0047B2

Tritanopia (blue-blind)

#005B72

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3a3bb4;
/* rgb */ color: rgb(58, 59, 180);
/* oklch */ color: oklch(43.4% 0.186 275.1);

Tailwind

colors: {
  custom: {
    50: '#8071cc',
    500: '#3a3bb4',
    950: '#000000',
  },
}

SCSS

$custom: #3a3bb4;
$custom-light: #8071cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3bb4",
  "rgb": {
    "r": 58,
    "g": 59,
    "b": 180
  },
  "hsl": {
    "h": 239.508,
    "s": 51.261,
    "l": 46.667
  },
  "oklch": {
    "l": 0.43428,
    "c": 0.18599,
    "h": 275.1
  },
  "luminance": 0.07323
}

Semantic roles & 50–950 ramp

primary

#3A3BB4

secondary

#C5C585

accent

#DA4DDB

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #3A3BB4

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

Preview Lab → · Contrast checker → · Palette generator →