#3B42CA#3B42CA

#3B42CA is a mid, highly saturated blue. Relative luminance 0.091; OKLCH L 46.7% C 0.206 H 272.9°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#3B42CA
RGB	rgb(59, 66, 202)
HSL	hsl(237, 57%, 51%)
HSV	hsv(237, 71%, 79%)
CMYK	cmyk(70.8%, 67.3%, 0%, 20.8%)
CIE-LAB	lab(36.16, 41.80, -71.13)
CIE-LCH	lch(36.16, 82.51, 300.44°)
OKLab	oklab(46.68% 0.0105 -0.2056)
OKLCH	oklch(46.68% 0.206 272.9)
XYZ	xyz(14.4089, 9.0891, 56.8607)
Luminance	0.0909 (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

#3B42CA #CAC33B

analogous

#3B89CA #3B42CA #7B3BCA

triadic

#3B42CA #CA3B42 #42CA3B

tetradic

#3B42CA #CA3B89 #CAC33B #3BCA7B

square

#3B42CA #CA3B89 #CAC33B #3BCA7B

split-complementary

#3B42CA #CA7B3B #89CA3B

monochromatic

#1E216D #2B309D #3B42CA #6B70D7 #9B9FE4

Accessibility & contrast

On white

7.45

#3B42CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#3B42CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B42CA

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B42CA	#FFFFFF	#000000	##FFFFFF
##3B42CA	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CCE

Deuteranopia (green-blind)

#004EC7

Tritanopia (blue-blind)

#006780

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3b42ca;
/* rgb */ color: rgb(59, 66, 202);
/* oklch */ color: oklch(46.7% 0.206 272.9);

Tailwind

colors: {
  custom: {
    50: '#8577db',
    500: '#3b42ca',
    950: '#000000',
  },
}

SCSS

$custom: #3b42ca;
$custom-light: #8577db;
$custom-dark: #000000;

JSON

{
  "hex": "#3b42ca",
  "rgb": {
    "r": 59,
    "g": 66,
    "b": 202
  },
  "hsl": {
    "h": 237.063,
    "s": 57.43,
    "l": 51.176
  },
  "oklch": {
    "l": 0.46681,
    "c": 0.20589,
    "h": 272.9
  },
  "luminance": 0.09091
}

Semantic roles & 50–950 ramp

primary

#3B42CA

secondary

#D0CD91

accent

#D947E1

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0D0815

muted

#7D7B83

Preview Lab

Preview with #3B42CA

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

Preview Lab → · Contrast checker → · Palette generator →