#3A42C6#3A42C6

#3A42C6 is a mid, highly saturated blue. Relative luminance 0.089; OKLCH L 46.3% C 0.201 H 272.8°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#3A42C6
RGB	rgb(58, 66, 198)
HSL	hsl(237, 55%, 50%)
HSV	hsv(237, 71%, 78%)
CMYK	cmyk(70.7%, 66.7%, 0%, 22.4%)
CIE-LAB	lab(35.74, 40.32, -69.50)
CIE-LCH	lch(35.74, 80.34, 300.12°)
OKLab	oklab(46.25% 0.0098 -0.2008)
OKLCH	oklch(46.25% 0.201 272.8)
XYZ	xyz(13.8828, 8.8718, 54.3959)
Luminance	0.0887 (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

#3A42C6 #C6BE3A

analogous

#3A88C6 #3A42C6 #783AC6

triadic

#3A42C6 #C63A42 #42C63A

tetradic

#3A42C6 #C63A88 #C6BE3A #3AC678

square

#3A42C6 #C63A88 #C6BE3A #3AC678

split-complementary

#3A42C6 #C6783A #88C63A

monochromatic

#1E2268 #2C3297 #3A42C6 #6970D4 #999DE1

Accessibility & contrast

On white

7.57

#3A42C6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#3A42C6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A42C6

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A42C6	#FFFFFF	#000000	##FFFFFF
##3A42C6	1.00	7.57	2.77	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BCA

Deuteranopia (green-blind)

#004EC4

Tritanopia (blue-blind)

#00657E

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3a42c6;
/* rgb */ color: rgb(58, 66, 198);
/* oklch */ color: oklch(46.3% 0.201 272.8);

Tailwind

colors: {
  custom: {
    50: '#8377d8',
    500: '#3a42c6',
    950: '#000000',
  },
}

SCSS

$custom: #3a42c6;
$custom-light: #8377d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3a42c6",
  "rgb": {
    "r": 58,
    "g": 66,
    "b": 198
  },
  "hsl": {
    "h": 236.571,
    "s": 55.118,
    "l": 50.196
  },
  "oklch": {
    "l": 0.46251,
    "c": 0.20109,
    "h": 272.8
  },
  "luminance": 0.08873
}

Semantic roles & 50–950 ramp

primary

#3A42C6

secondary

#CDCA8F

accent

#D649DE

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #3A42C6

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

Preview Lab → · Contrast checker → · Palette generator →