#3B42CF#3B42CF

#3B42CF is a mid, highly saturated blue. Relative luminance 0.093; OKLCH L 47.1% C 0.212 H 272.7°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#3B42CF
RGB	rgb(59, 66, 207)
HSL	hsl(237, 61%, 52%)
HSV	hsv(237, 71%, 81%)
CMYK	cmyk(71.5%, 68.1%, 0%, 18.8%)
CIE-LAB	lab(36.61, 43.49, -73.29)
CIE-LCH	lch(36.61, 85.22, 300.69°)
OKLab	oklab(47.15% 0.01 -0.2119)
OKLCH	oklch(47.15% 0.212 272.7)
XYZ	xyz(15.0105, 9.3297, 60.0291)
Luminance	0.0933 (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

#3B42CF #CFC83B

analogous

#3B8CCF #3B42CF #7E3BCF

triadic

#3B42CF #CF3B42 #42CF3B

tetradic

#3B42CF #CF3B8C #CFC83B #3BCF7E

square

#3B42CF #CF3B8C #CFC83B #3BCF7E

split-complementary

#3B42CF #CF7E3B #8CCF3B

monochromatic

#1C2073 #282EA5 #3B42CF #6C71DB #9DA1E7

Accessibility & contrast

On white

7.33

#3B42CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#3B42CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B42CF

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B42CF	#FFFFFF	#000000	##FFFFFF
##3B42CF	1.00	7.33	2.87	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD3

Deuteranopia (green-blind)

#004FCC

Tritanopia (blue-blind)

#006883

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3b42cf;
/* rgb */ color: rgb(59, 66, 207);
/* oklch */ color: oklch(47.1% 0.212 272.7);

Tailwind

colors: {
  custom: {
    50: '#8677df',
    500: '#3b42cf',
    950: '#000000',
  },
}

SCSS

$custom: #3b42cf;
$custom-light: #8677df;
$custom-dark: #000000;

JSON

{
  "hex": "#3b42cf",
  "rgb": {
    "r": 59,
    "g": 66,
    "b": 207
  },
  "hsl": {
    "h": 237.162,
    "s": 60.656,
    "l": 52.157
  },
  "oklch": {
    "l": 0.4715,
    "c": 0.21213,
    "h": 272.7
  },
  "luminance": 0.09331
}

Semantic roles & 50–950 ramp

primary

#3B42CF

secondary

#D3D093

accent

#DC44E4

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #3B42CF

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

Preview Lab → · Contrast checker → · Palette generator →