#3A42C5#3A42C5

#3A42C5 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 46.2% C 0.200 H 272.8°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#3A42C5
RGB	rgb(58, 66, 197)
HSL	hsl(237, 55%, 50%)
HSV	hsv(237, 71%, 77%)
CMYK	cmyk(70.6%, 66.5%, 0%, 22.7%)
CIE-LAB	lab(35.65, 39.98, -69.06)
CIE-LCH	lch(35.65, 79.79, 300.06°)
OKLab	oklab(46.16% 0.0099 -0.1996)
OKLCH	oklch(46.16% 0.2 272.8)
XYZ	xyz(13.7678, 8.8258, 53.7905)
Luminance	0.0883 (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

#3A42C5 #C5BD3A

analogous

#3A87C5 #3A42C5 #783AC5

triadic

#3A42C5 #C53A42 #42C53A

tetradic

#3A42C5 #C53A87 #C5BD3A #3AC578

square

#3A42C5 #C53A87 #C5BD3A #3AC578

split-complementary

#3A42C5 #C5783A #87C53A

monochromatic

#1E2266 #2C3296 #3A42C5 #696FD3 #999DE1

Accessibility & contrast

On white

7.59

#3A42C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#3A42C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A42C5

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A42C5	#FFFFFF	#000000	##FFFFFF
##3A42C5	1.00	7.59	2.77	7.59
#FFFFFF	7.59	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC9

Deuteranopia (green-blind)

#004DC3

Tritanopia (blue-blind)

#00657E

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3a42c5;
/* rgb */ color: rgb(58, 66, 197);
/* oklch */ color: oklch(46.2% 0.200 272.8);

Tailwind

colors: {
  custom: {
    50: '#8377d8',
    500: '#3a42c5',
    950: '#000000',
  },
}

SCSS

$custom: #3a42c5;
$custom-light: #8377d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3a42c5",
  "rgb": {
    "r": 58,
    "g": 66,
    "b": 197
  },
  "hsl": {
    "h": 236.547,
    "s": 54.51,
    "l": 50
  },
  "oklch": {
    "l": 0.46159,
    "c": 0.19981,
    "h": 272.8
  },
  "luminance": 0.08827
}

Semantic roles & 50–950 ramp

primary

#3A42C5

secondary

#CDC98E

accent

#D54ADE

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #3A42C5

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

Preview Lab → · Contrast checker → · Palette generator →