#3A42CB#3A42CB

#3A42CB is a mid, highly saturated blue. Relative luminance 0.091; OKLCH L 46.7% C 0.207 H 272.6°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#3A42CB
RGB	rgb(58, 66, 203)
HSL	hsl(237, 58%, 51%)
HSV	hsv(237, 71%, 80%)
CMYK	cmyk(71.4%, 67.5%, 0%, 20.4%)
CIE-LAB	lab(36.19, 42.03, -71.66)
CIE-LCH	lch(36.19, 83.08, 300.39°)
OKLab	oklab(46.72% 0.0093 -0.2072)
OKLCH	oklch(46.72% 0.207 272.6)
XYZ	xyz(14.4690, 9.1063, 57.4835)
Luminance	0.0911 (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

#3A42CB #CBC33A

analogous

#3A8ACB #3A42CB #7A3ACB

triadic

#3A42CB #CB3A42 #42CB3A

tetradic

#3A42CB #CB3A8A #CBC33A #3ACB7A

square

#3A42CB #CB3A8A #CBC33A #3ACB7A

split-complementary

#3A42CB #CB7A3A #8ACB3A

monochromatic

#1D216E #2A309E #3A42CB #6A70D8 #9B9FE5

Accessibility & contrast

On white

7.44

#3A42CB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#3A42CB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A42CB

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A42CB	#FFFFFF	#000000	##FFFFFF
##3A42CB	1.00	7.44	2.82	7.44
#FFFFFF	7.44	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CCF

Deuteranopia (green-blind)

#004EC8

Tritanopia (blue-blind)

#006781

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3a42cb;
/* rgb */ color: rgb(58, 66, 203);
/* oklch */ color: oklch(46.7% 0.207 272.6);

Tailwind

colors: {
  custom: {
    50: '#8477dc',
    500: '#3a42cb',
    950: '#000000',
  },
}

SCSS

$custom: #3a42cb;
$custom-light: #8477dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3a42cb",
  "rgb": {
    "r": 58,
    "g": 66,
    "b": 203
  },
  "hsl": {
    "h": 236.69,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.46717,
    "c": 0.2074,
    "h": 272.6
  },
  "luminance": 0.09108
}

Semantic roles & 50–950 ramp

primary

#3A42CB

secondary

#D0CD90

accent

#D946E1

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0D0815

muted

#7D7B83

Preview Lab

Preview with #3A42CB

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

Preview Lab → · Contrast checker → · Palette generator →