#3A43B9#3A43B9

#3A43B9 is a mid, vivid blue. Relative luminance 0.084; OKLCH L 45.2% C 0.183 H 273.2°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#3A43B9
RGB	rgb(58, 67, 185)
HSL	hsl(236, 52%, 48%)
HSV	hsv(236, 69%, 73%)
CMYK	cmyk(68.6%, 63.8%, 0%, 27.5%)
CIE-LAB	lab(34.83, 35.20, -63.35)
CIE-LCH	lch(34.83, 72.47, 299.06°)
OKLab	oklab(45.24% 0.0101 -0.1828)
OKLCH	oklch(45.24% 0.183 273.2)
XYZ	xyz(12.5061, 8.4155, 46.8548)
Luminance	0.0842 (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

#3A43B9 #B9B03A

analogous

#3A82B9 #3A43B9 #703AB9

triadic

#3A43B9 #B93A43 #43B93A

tetradic

#3A43B9 #B93A82 #B9B03A #3AB970

square

#3A43B9 #B93A82 #B9B03A #3AB970

split-complementary

#3A43B9 #B9703A #82B93A

monochromatic

#1D215C #2B328A #3A43B9 #626ACE #9196DC

Accessibility & contrast

On white

7.83

#3A43B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#3A43B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A43B9

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A43B9	#FFFFFF	#000000	##FFFFFF
##3A43B9	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BD

Deuteranopia (green-blind)

#004CB7

Tritanopia (blue-blind)

#006178

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3a43b9;
/* rgb */ color: rgb(58, 67, 185);
/* oklch */ color: oklch(45.2% 0.183 273.2);

Tailwind

colors: {
  custom: {
    50: '#8077cf',
    500: '#3a43b9',
    950: '#000000',
  },
}

SCSS

$custom: #3a43b9;
$custom-light: #8077cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3a43b9",
  "rgb": {
    "r": 58,
    "g": 67,
    "b": 185
  },
  "hsl": {
    "h": 235.748,
    "s": 52.263,
    "l": 47.647
  },
  "oklch": {
    "l": 0.45243,
    "c": 0.18312,
    "h": 273.2
  },
  "luminance": 0.08417
}

Semantic roles & 50–950 ramp

primary

#3A43B9

secondary

#C7C387

accent

#D24CDC

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3A43B9

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

Preview Lab → · Contrast checker → · Palette generator →