#3C43CB#3C43CB

#3C43CB is a mid, highly saturated blue. Relative luminance 0.093; OKLCH L 47.0% C 0.206 H 273.0°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#3C43CB
RGB	rgb(60, 67, 203)
HSL	hsl(237, 58%, 52%)
HSV	hsv(237, 70%, 80%)
CMYK	cmyk(70.4%, 67%, 0%, 20.4%)
CIE-LAB	lab(36.53, 41.65, -71.10)
CIE-LCH	lch(36.53, 82.40, 300.36°)
OKLab	oklab(46.99% 0.0109 -0.2055)
OKLCH	oklch(46.99% 0.206 273)
XYZ	xyz(14.6465, 9.2853, 57.5087)
Luminance	0.0929 (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

#3C43CB #CBC43C

analogous

#3C8BCB #3C43CB #7D3CCB

triadic

#3C43CB #CB3C43 #43CB3C

tetradic

#3C43CB #CB3C8B #CBC43C #3CCB7D

square

#3C43CB #CB3C8B #CBC43C #3CCB7D

split-complementary

#3C43CB #CB7D3C #8BCB3C

monochromatic

#1E226F #2A309F #3C43CB #6C72D8 #9DA0E5

Accessibility & contrast

On white

7.35

#3C43CB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#3C43CB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C43CB

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C43CB	#FFFFFF	#000000	##FFFFFF
##3C43CB	1.00	7.35	2.86	7.35
#FFFFFF	7.35	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DCF

Deuteranopia (green-blind)

#004FC8

Tritanopia (blue-blind)

#006781

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3c43cb;
/* rgb */ color: rgb(60, 67, 203);
/* oklch */ color: oklch(47.0% 0.206 273.0);

Tailwind

colors: {
  custom: {
    50: '#8578dc',
    500: '#3c43cb',
    950: '#000000',
  },
}

SCSS

$custom: #3c43cb;
$custom-light: #8578dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3c43cb",
  "rgb": {
    "r": 60,
    "g": 67,
    "b": 203
  },
  "hsl": {
    "h": 237.063,
    "s": 57.895,
    "l": 51.569
  },
  "oklch": {
    "l": 0.46994,
    "c": 0.20578,
    "h": 273
  },
  "luminance": 0.09287
}

Semantic roles & 50–950 ramp

primary

#3C43CB

secondary

#D1CE92

accent

#DA47E1

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0D0915

muted

#7D7B83

Preview Lab

Preview with #3C43CB

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

Preview Lab → · Contrast checker → · Palette generator →