#3842BB#3842BB

#3842BB is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.1% C 0.187 H 272.6°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#3842BB
RGB	rgb(56, 66, 187)
HSL	hsl(235, 54%, 48%)
HSV	hsv(235, 70%, 73%)
CMYK	cmyk(70.1%, 64.7%, 0%, 26.7%)
CIE-LAB	lab(34.65, 36.27, -64.84)
CIE-LCH	lch(34.65, 74.29, 299.22°)
OKLab	oklab(45.13% 0.0085 -0.1872)
OKLCH	oklch(45.13% 0.187 272.6)
XYZ	xyz(12.5457, 8.3238, 47.9496)
Luminance	0.0833 (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

#3842BB #BBB138

analogous

#3883BB #3842BB #7038BB

triadic

#3842BB #BB3842 #42BB38

tetradic

#3842BB #BB3883 #BBB138 #38BB70

square

#3842BB #BB3883 #BBB138 #38BB70

split-complementary

#3842BB #BB7038 #83BB38

monochromatic

#1C215D #2A318C #3842BB #6169D0 #9096DE

Accessibility & contrast

On white

7.88

#3842BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#3842BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3842BB

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3842BB	#FFFFFF	#000000	##FFFFFF
##3842BB	1.00	7.88	2.67	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BF

Deuteranopia (green-blind)

#004BB9

Tritanopia (blue-blind)

#006278

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3842bb;
/* rgb */ color: rgb(56, 66, 187);
/* oklch */ color: oklch(45.1% 0.187 272.6);

Tailwind

colors: {
  custom: {
    50: '#8076d0',
    500: '#3842bb',
    950: '#000000',
  },
}

SCSS

$custom: #3842bb;
$custom-light: #8076d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3842bb",
  "rgb": {
    "r": 56,
    "g": 66,
    "b": 187
  },
  "hsl": {
    "h": 235.42,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.45129,
    "c": 0.18744,
    "h": 272.6
  },
  "luminance": 0.08325
}

Semantic roles & 50–950 ramp

primary

#3842BB

secondary

#C8C386

accent

#D24BDD

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3842BB

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

Preview Lab → · Contrast checker → · Palette generator →