#3B43CC#3B43CC

#3B43CC is a mid, highly saturated blue. Relative luminance 0.093; OKLCH L 47.0% C 0.207 H 272.7°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#3B43CC
RGB	rgb(59, 67, 204)
HSL	hsl(237, 59%, 52%)
HSV	hsv(237, 71%, 80%)
CMYK	cmyk(71.1%, 67.2%, 0%, 20%)
CIE-LAB	lab(36.56, 41.87, -71.63)
CIE-LCH	lch(36.56, 82.97, 300.31°)
OKLab	oklab(47.03% 0.0097 -0.2071)
OKLCH	oklch(47.03% 0.207 272.7)
XYZ	xyz(14.7062, 9.3023, 58.1355)
Luminance	0.0930 (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

#3B43CC #CCC43B

analogous

#3B8BCC #3B43CC #7C3BCC

triadic

#3B43CC #CC3B43 #43CC3B

tetradic

#3B43CC #CC3B8B #CCC43B #3BCC7C

square

#3B43CC #CC3B8B #CCC43B #3BCC7C

split-complementary

#3B43CC #CC7C3B #8BCC3B

monochromatic

#1D2270 #2A30A0 #3B43CC #6C72D9 #9CA0E5

Accessibility & contrast

On white

7.34

#3B43CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#3B43CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B43CC

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B43CC	#FFFFFF	#000000	##FFFFFF
##3B43CC	1.00	7.34	2.86	7.34
#FFFFFF	7.34	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD0

Deuteranopia (green-blind)

#004FC9

Tritanopia (blue-blind)

#006882

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3b43cc;
/* rgb */ color: rgb(59, 67, 204);
/* oklch */ color: oklch(47.0% 0.207 272.7);

Tailwind

colors: {
  custom: {
    50: '#8578dd',
    500: '#3b43cc',
    950: '#000000',
  },
}

SCSS

$custom: #3b43cc;
$custom-light: #8578dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3b43cc",
  "rgb": {
    "r": 59,
    "g": 67,
    "b": 204
  },
  "hsl": {
    "h": 236.69,
    "s": 58.704,
    "l": 51.569
  },
  "oklch": {
    "l": 0.47029,
    "c": 0.2073,
    "h": 272.7
  },
  "luminance": 0.09304
}

Semantic roles & 50–950 ramp

primary

#3B43CC

secondary

#D1CE92

accent

#D946E2

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0D0915

muted

#7D7B83

Preview Lab

Preview with #3B43CC

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

Preview Lab → · Contrast checker → · Palette generator →