#3A3AB0#3A3AB0

#3A3AB0 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.9% C 0.182 H 275.5°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#3A3AB0
RGB	rgb(58, 58, 176)
HSL	hsl(240, 50%, 46%)
HSV	hsv(240, 67%, 69%)
CMYK	cmyk(67%, 67%, 0%, 31%)
CIE-LAB	lab(31.94, 37.69, -62.75)
CIE-LCH	lch(31.94, 73.20, 300.99°)
OKLab	oklab(42.89% 0.0175 -0.1811)
OKLCH	oklch(42.89% 0.182 275.5)
XYZ	xyz(11.0919, 7.0593, 41.8439)
Luminance	0.0706 (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

#3A3AB0 #B0B03A

analogous

#3A75B0 #3A3AB0 #753AB0

triadic

#3A3AB0 #B03A3A #3AB03A

tetradic

#3A3AB0 #B03A75 #B0B03A #3AB075

square

#3A3AB0 #B03A75 #B0B03A #3AB075

split-complementary

#3A3AB0 #B0753A #75B03A

monochromatic

#1C1C54 #2B2B82 #3A3AB0 #5D5DCA #8B8BD9

Accessibility & contrast

On white

8.71

#3A3AB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#3A3AB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3AB0

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3AB0	#FFFFFF	#000000	##FFFFFF
##3A3AB0	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B4

Deuteranopia (green-blind)

#0046AE

Tritanopia (blue-blind)

#005970

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3a3ab0;
/* rgb */ color: rgb(58, 58, 176);
/* oklch */ color: oklch(42.9% 0.182 275.5);

Tailwind

colors: {
  custom: {
    50: '#7f71c9',
    500: '#3a3ab0',
    950: '#000000',
  },
}

SCSS

$custom: #3a3ab0;
$custom-light: #7f71c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3ab0",
  "rgb": {
    "r": 58,
    "g": 58,
    "b": 176
  },
  "hsl": {
    "h": 240,
    "s": 50.427,
    "l": 45.882
  },
  "oklch": {
    "l": 0.42892,
    "c": 0.18198,
    "h": 275.5
  },
  "luminance": 0.0706
}

Semantic roles & 50–950 ramp

primary

#3A3AB0

secondary

#C3C382

accent

#DA4EDA

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3A3AB0

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

Preview Lab → · Contrast checker → · Palette generator →