#3833CA#3833CA

#3833CA is a dark, highly saturated blue. Relative luminance 0.075; OKLCH L 44.3% C 0.222 H 273.9°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#3833CA
RGB	rgb(56, 51, 202)
HSL	hsl(242, 60%, 50%)
HSV	hsv(242, 75%, 79%)
CMYK	cmyk(72.3%, 74.8%, 0%, 20.8%)
CIE-LAB	lab(32.86, 50.11, -76.57)
CIE-LCH	lch(32.86, 91.51, 303.20°)
OKLab	oklab(44.27% 0.0152 -0.2215)
OKLCH	oklch(44.27% 0.222 273.9)
XYZ	xyz(13.4718, 7.4713, 56.5978)
Luminance	0.0747 (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

#3833CA #C5CA33

analogous

#3379CA #3833CA #8433CA

triadic

#3833CA #CA3833 #33CA38

tetradic

#3833CA #CA3379 #C5CA33 #33CA84

square

#3833CA #CA3379 #C5CA33 #33CA84

split-complementary

#3833CA #CA8433 #79CA33

monochromatic

#1D1A68 #2A2799 #3833CA #6763D8 #9694E4

Accessibility & contrast

On white

8.42

#3833CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3833CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3833CA

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3833CA	#FFFFFF	#000000	##FFFFFF
##3833CA	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054CE

Deuteranopia (green-blind)

#0046C7

Tritanopia (blue-blind)

#005F7C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3833ca;
/* rgb */ color: rgb(56, 51, 202);
/* oklch */ color: oklch(44.3% 0.222 273.9);

Tailwind

colors: {
  custom: {
    50: '#856ddc',
    500: '#3833ca',
    950: '#000000',
  },
}

SCSS

$custom: #3833ca;
$custom-light: #856ddc;
$custom-dark: #000000;

JSON

{
  "hex": "#3833ca",
  "rgb": {
    "r": 56,
    "g": 51,
    "b": 202
  },
  "hsl": {
    "h": 241.987,
    "s": 59.684,
    "l": 49.608
  },
  "oklch": {
    "l": 0.4427,
    "c": 0.22203,
    "h": 273.9
  },
  "luminance": 0.07473
}

Semantic roles & 50–950 ramp

primary

#3833CA

secondary

#CDCF8A

accent

#E345DE

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3833CA

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

Preview Lab → · Contrast checker → · Palette generator →