#3B42D0#3B42D0

#3B42D0 is a mid, highly saturated blue. Relative luminance 0.094; OKLCH L 47.2% C 0.213 H 272.6°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#3B42D0
RGB	rgb(59, 66, 208)
HSL	hsl(237, 61%, 52%)
HSV	hsv(237, 72%, 82%)
CMYK	cmyk(71.6%, 68.3%, 0%, 18.4%)
CIE-LAB	lab(36.70, 43.83, -73.71)
CIE-LCH	lch(36.70, 85.76, 300.73°)
OKLab	oklab(47.24% 0.0098 -0.2131)
OKLCH	oklch(47.24% 0.213 272.6)
XYZ	xyz(15.1332, 9.3788, 60.6750)
Luminance	0.0938 (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

#3B42D0 #D0C93B

analogous

#3B8DD0 #3B42D0 #7E3BD0

triadic

#3B42D0 #D03B42 #42D03B

tetradic

#3B42D0 #D03B8D #D0C93B #3BD07E

square

#3B42D0 #D03B8D #D0C93B #3BD07E

split-complementary

#3B42D0 #D07E3B #8DD03B

monochromatic

#1C2075 #282EA6 #3B42D0 #6C72DC #9EA1E8

Accessibility & contrast

On white

7.30

#3B42D0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#3B42D0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B42D0

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B42D0	#FFFFFF	#000000	##FFFFFF
##3B42D0	1.00	7.30	2.88	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD4

Deuteranopia (green-blind)

#004FCD

Tritanopia (blue-blind)

#006984

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3b42d0;
/* rgb */ color: rgb(59, 66, 208);
/* oklch */ color: oklch(47.2% 0.213 272.6);

Tailwind

colors: {
  custom: {
    50: '#8677e0',
    500: '#3b42d0',
    950: '#000000',
  },
}

SCSS

$custom: #3b42d0;
$custom-light: #8677e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b42d0",
  "rgb": {
    "r": 59,
    "g": 66,
    "b": 208
  },
  "hsl": {
    "h": 237.181,
    "s": 61.317,
    "l": 52.353
  },
  "oklch": {
    "l": 0.47244,
    "c": 0.21338,
    "h": 272.6
  },
  "luminance": 0.0938
}

Semantic roles & 50–950 ramp

primary

#3B42D0

secondary

#D4D193

accent

#DD43E4

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #3B42D0

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

Preview Lab → · Contrast checker → · Palette generator →