#3A43BD#3A43BD

#3A43BD is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.6% C 0.188 H 273.0°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#3A43BD
RGB	rgb(58, 67, 189)
HSL	hsl(236, 53%, 48%)
HSV	hsv(236, 69%, 74%)
CMYK	cmyk(69.3%, 64.6%, 0%, 25.9%)
CIE-LAB	lab(35.18, 36.59, -65.14)
CIE-LCH	lch(35.18, 74.72, 299.32°)
OKLab	oklab(45.6% 0.0099 -0.1881)
OKLCH	oklch(45.6% 0.188 273)
XYZ	xyz(12.9343, 8.5867, 49.1100)
Luminance	0.0859 (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

#3A43BD #BDB43A

analogous

#3A84BD #3A43BD #723ABD

triadic

#3A43BD #BD3A43 #43BD3A

tetradic

#3A43BD #BD3A84 #BDB43A #3ABD72

square

#3A43BD #BD3A84 #BDB43A #3ABD72

split-complementary

#3A43BD #BD723A #84BD3A

monochromatic

#1D225F #2C328E #3A43BD #656CD0 #9399DE

Accessibility & contrast

On white

7.73

#3A43BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3A43BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A43BD

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A43BD	#FFFFFF	#000000	##FFFFFF
##3A43BD	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C1

Deuteranopia (green-blind)

#004DBB

Tritanopia (blue-blind)

#00637A

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3a43bd;
/* rgb */ color: rgb(58, 67, 189);
/* oklch */ color: oklch(45.6% 0.188 273.0);

Tailwind

colors: {
  custom: {
    50: '#8177d2',
    500: '#3a43bd',
    950: '#000000',
  },
}

SCSS

$custom: #3a43bd;
$custom-light: #8177d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3a43bd",
  "rgb": {
    "r": 58,
    "g": 67,
    "b": 189
  },
  "hsl": {
    "h": 235.878,
    "s": 53.036,
    "l": 48.431
  },
  "oklch": {
    "l": 0.456,
    "c": 0.18836,
    "h": 273
  },
  "luminance": 0.08588
}

Semantic roles & 50–950 ramp

primary

#3A43BD

secondary

#C9C58A

accent

#D24BDC

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3A43BD

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

Preview Lab → · Contrast checker → · Palette generator →