#3A3FB9#3A3FB9

#3A3FB9 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.6% C 0.188 H 274.0°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#3A3FB9
RGB	rgb(58, 63, 185)
HSL	hsl(238, 52%, 48%)
HSV	hsv(238, 69%, 73%)
CMYK	cmyk(68.6%, 65.9%, 0%, 27.5%)
CIE-LAB	lab(33.89, 37.70, -64.89)
CIE-LCH	lch(33.89, 75.05, 300.15°)
OKLab	oklab(44.56% 0.013 -0.1874)
OKLCH	oklch(44.56% 0.188 274)
XYZ	xyz(12.2765, 7.9562, 46.7783)
Luminance	0.0796 (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

#3A3FB9 #B9B43A

analogous

#3A7EB9 #3A3FB9 #753AB9

triadic

#3A3FB9 #B93A3F #3FB93A

tetradic

#3A3FB9 #B93A7E #B9B43A #3AB975

square

#3A3FB9 #B93A7E #B9B43A #3AB975

split-complementary

#3A3FB9 #B9753A #7EB93A

monochromatic

#1D1F5C #2B2F8A #3A3FB9 #6267CE #9194DC

Accessibility & contrast

On white

8.10

#3A3FB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#3A3FB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3FB9

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3FB9	#FFFFFF	#000000	##FFFFFF
##3A3FB9	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BD

Deuteranopia (green-blind)

#004AB7

Tritanopia (blue-blind)

#005F76

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3a3fb9;
/* rgb */ color: rgb(58, 63, 185);
/* oklch */ color: oklch(44.6% 0.188 274.0);

Tailwind

colors: {
  custom: {
    50: '#8174cf',
    500: '#3a3fb9',
    950: '#000000',
  },
}

SCSS

$custom: #3a3fb9;
$custom-light: #8174cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3fb9",
  "rgb": {
    "r": 58,
    "g": 63,
    "b": 185
  },
  "hsl": {
    "h": 237.638,
    "s": 52.263,
    "l": 47.647
  },
  "oklch": {
    "l": 0.44555,
    "c": 0.18783,
    "h": 274
  },
  "luminance": 0.07957
}

Semantic roles & 50–950 ramp

primary

#3A3FB9

secondary

#C7C587

accent

#D64CDC

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3A3FB9

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

Preview Lab → · Contrast checker → · Palette generator →