#3B43CA#3B43CA

#3B43CA is a mid, highly saturated blue. Relative luminance 0.092; OKLCH L 46.8% C 0.205 H 272.8°. Best body text is #FFFFFF at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#3B43CA
RGB	rgb(59, 67, 202)
HSL	hsl(237, 57%, 51%)
HSV	hsv(237, 71%, 79%)
CMYK	cmyk(70.8%, 66.8%, 0%, 20.8%)
CIE-LAB	lab(36.38, 41.19, -70.77)
CIE-LCH	lch(36.38, 81.88, 300.20°)
OKLab	oklab(46.84% 0.0099 -0.2045)
OKLCH	oklch(46.84% 0.205 272.8)
XYZ	xyz(14.4679, 9.2070, 56.8803)
Luminance	0.0921 (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

#3B43CA #CAC23B

analogous

#3B8ACA #3B43CA #7A3BCA

triadic

#3B43CA #CA3B43 #43CA3B

tetradic

#3B43CA #CA3B8A #CAC23B #3BCA7A

square

#3B43CA #CA3B8A #CAC23B #3BCA7A

split-complementary

#3B43CA #CA7A3B #8ACA3B

monochromatic

#1E226D #2B319D #3B43CA #6B71D7 #9B9FE4

Accessibility & contrast

On white

7.39

#3B43CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#3B43CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B43CA

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B43CA	#FFFFFF	#000000	##FFFFFF
##3B43CA	1.00	7.39	2.84	7.39
#FFFFFF	7.39	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CCE

Deuteranopia (green-blind)

#004FC7

Tritanopia (blue-blind)

#006781

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3b43ca;
/* rgb */ color: rgb(59, 67, 202);
/* oklch */ color: oklch(46.8% 0.205 272.8);

Tailwind

colors: {
  custom: {
    50: '#8577db',
    500: '#3b43ca',
    950: '#000000',
  },
}

SCSS

$custom: #3b43ca;
$custom-light: #8577db;
$custom-dark: #000000;

JSON

{
  "hex": "#3b43ca",
  "rgb": {
    "r": 59,
    "g": 67,
    "b": 202
  },
  "hsl": {
    "h": 236.643,
    "s": 57.43,
    "l": 51.176
  },
  "oklch": {
    "l": 0.46843,
    "c": 0.20478,
    "h": 272.8
  },
  "luminance": 0.09208
}

Semantic roles & 50–950 ramp

primary

#3B43CA

secondary

#D0CC91

accent

#D847E1

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0D0915

muted

#7D7B83

Preview Lab

Preview with #3B43CA

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

Preview Lab → · Contrast checker → · Palette generator →