#3B43BC#3B43BC

#3B43BC is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.6% C 0.187 H 273.4°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#3B43BC
RGB	rgb(59, 67, 188)
HSL	hsl(236, 52%, 48%)
HSV	hsv(236, 69%, 74%)
CMYK	cmyk(68.6%, 64.4%, 0%, 26.3%)
CIE-LAB	lab(35.15, 36.38, -64.60)
CIE-LCH	lch(35.15, 74.14, 299.39°)
OKLab	oklab(45.57% 0.0111 -0.1865)
OKLCH	oklch(45.57% 0.187 273.4)
XYZ	xyz(12.8849, 8.5737, 48.5431)
Luminance	0.0858 (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

#3B43BC #BCB43B

analogous

#3B83BC #3B43BC #733BBC

triadic

#3B43BC #BC3B43 #43BC3B

tetradic

#3B43BC #BC3B83 #BCB43B #3BBC73

square

#3B43BC #BC3B83 #BCB43B #3BBC73

split-complementary

#3B43BC #BC733B #83BC3B

monochromatic

#1E225F #2C328D #3B43BC #656CCF #9499DD

Accessibility & contrast

On white

7.73

#3B43BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3B43BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B43BC

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B43BC	#FFFFFF	#000000	##FFFFFF
##3B43BC	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)

#0059C0

Deuteranopia (green-blind)

#004DBA

Tritanopia (blue-blind)

#006279

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3b43bc;
/* rgb */ color: rgb(59, 67, 188);
/* oklch */ color: oklch(45.6% 0.187 273.4);

Tailwind

colors: {
  custom: {
    50: '#8277d1',
    500: '#3b43bc',
    950: '#000000',
  },
}

SCSS

$custom: #3b43bc;
$custom-light: #8277d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b43bc",
  "rgb": {
    "r": 59,
    "g": 67,
    "b": 188
  },
  "hsl": {
    "h": 236.279,
    "s": 52.227,
    "l": 48.431
  },
  "oklch": {
    "l": 0.4557,
    "c": 0.1868,
    "h": 273.4
  },
  "luminance": 0.08575
}

Semantic roles & 50–950 ramp

primary

#3B43BC

secondary

#C9C58A

accent

#D34CDC

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3B43BC

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

Preview Lab → · Contrast checker → · Palette generator →