#3B43BA#3B43BA

#3B43BA is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.4% C 0.184 H 273.5°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#3B43BA
RGB	rgb(59, 67, 186)
HSL	hsl(236, 52%, 48%)
HSV	hsv(236, 68%, 73%)
CMYK	cmyk(68.3%, 64%, 0%, 27.1%)
CIE-LAB	lab(34.98, 35.68, -63.70)
CIE-LCH	lch(34.98, 73.01, 299.26°)
OKLab	oklab(45.39% 0.0112 -0.1838)
OKLCH	oklch(45.39% 0.184 273.5)
XYZ	xyz(12.6708, 8.4881, 47.4155)
Luminance	0.0849 (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

#3B43BA #BAB23B

analogous

#3B83BA #3B43BA #723BBA

triadic

#3B43BA #BA3B43 #43BA3B

tetradic

#3B43BA #BA3B83 #BAB23B #3BBA72

square

#3B43BA #BA3B83 #BAB23B #3BBA72

split-complementary

#3B43BA #BA723B #83BA3B

monochromatic

#1E225D #2C328C #3B43BA #646BCE #9397DD

Accessibility & contrast

On white

7.78

#3B43BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#3B43BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B43BA

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B43BA	#FFFFFF	#000000	##FFFFFF
##3B43BA	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BE

Deuteranopia (green-blind)

#004DB8

Tritanopia (blue-blind)

#006278

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3b43ba;
/* rgb */ color: rgb(59, 67, 186);
/* oklch */ color: oklch(45.4% 0.184 273.5);

Tailwind

colors: {
  custom: {
    50: '#8177d0',
    500: '#3b43ba',
    950: '#000000',
  },
}

SCSS

$custom: #3b43ba;
$custom-light: #8177d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b43ba",
  "rgb": {
    "r": 59,
    "g": 67,
    "b": 186
  },
  "hsl": {
    "h": 236.22,
    "s": 51.837,
    "l": 48.039
  },
  "oklch": {
    "l": 0.45392,
    "c": 0.18418,
    "h": 273.5
  },
  "luminance": 0.08489
}

Semantic roles & 50–950 ramp

primary

#3B43BA

secondary

#C8C489

accent

#D24DDB

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3B43BA

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

Preview Lab → · Contrast checker → · Palette generator →