#3A3CB9#3A3CB9

#3A3CB9 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 44.1% C 0.191 H 274.5°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#3A3CB9
RGB	rgb(58, 60, 185)
HSL	hsl(239, 52%, 48%)
HSV	hsv(239, 69%, 73%)
CMYK	cmyk(68.6%, 67.6%, 0%, 27.5%)
CIE-LAB	lab(33.21, 39.53, -66.02)
CIE-LCH	lch(33.21, 76.95, 300.92°)
OKLab	oklab(44.06% 0.0151 -0.1907)
OKLCH	oklch(44.06% 0.191 274.5)
XYZ	xyz(12.1148, 7.6329, 46.7244)
Luminance	0.0763 (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

#3A3CB9 #B9B73A

analogous

#3A7CB9 #3A3CB9 #773AB9

triadic

#3A3CB9 #B93A3C #3CB93A

tetradic

#3A3CB9 #B93A7C #B9B73A #3AB977

square

#3A3CB9 #B93A7C #B9B73A #3AB977

split-complementary

#3A3CB9 #B9773A #7CB93A

monochromatic

#1D1E5C #2B2D8A #3A3CB9 #6264CE #9192DC

Accessibility & contrast

On white

8.31

#3A3CB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#3A3CB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3CB9

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3CB9	#FFFFFF	#000000	##FFFFFF
##3A3CB9	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BD

Deuteranopia (green-blind)

#0048B7

Tritanopia (blue-blind)

#005D75

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3a3cb9;
/* rgb */ color: rgb(58, 60, 185);
/* oklch */ color: oklch(44.1% 0.191 274.5);

Tailwind

colors: {
  custom: {
    50: '#8172cf',
    500: '#3a3cb9',
    950: '#000000',
  },
}

SCSS

$custom: #3a3cb9;
$custom-light: #8172cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3cb9",
  "rgb": {
    "r": 58,
    "g": 60,
    "b": 185
  },
  "hsl": {
    "h": 239.055,
    "s": 52.263,
    "l": 47.647
  },
  "oklch": {
    "l": 0.44057,
    "c": 0.19128,
    "h": 274.5
  },
  "luminance": 0.07634
}

Semantic roles & 50–950 ramp

primary

#3A3CB9

secondary

#C7C687

accent

#D94CDC

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3A3CB9

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

Preview Lab → · Contrast checker → · Palette generator →