#3833AA#3833AA

#3833AA is a dark, vivid blue. Relative luminance 0.061; OKLCH L 41.1% C 0.183 H 276.5°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#3833AA
RGB	rgb(56, 51, 170)
HSL	hsl(243, 54%, 43%)
HSV	hsv(243, 70%, 67%)
CMYK	cmyk(67.1%, 70%, 0%, 33.3%)
CIE-LAB	lab(29.69, 39.65, -62.86)
CIE-LCH	lch(29.69, 74.32, 302.24°)
OKLab	oklab(41.06% 0.0208 -0.1815)
OKLCH	oklch(41.06% 0.183 276.5)
XYZ	xyz(10.0680, 6.1098, 38.6712)
Luminance	0.0611 (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

#3833AA #A5AA33

analogous

#3369AA #3833AA #7333AA

triadic

#3833AA #AA3833 #33AA38

tetradic

#3833AA #AA3369 #A5AA33 #33AA73

square

#3833AA #AA3369 #A5AA33 #33AA73

split-complementary

#3833AA #AA7333 #69AA33

monochromatic

#19174C #28257B #3833AA #5550CA #837FD9

Accessibility & contrast

On white

9.45

#3833AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#3833AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3833AA

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3833AA	#FFFFFF	#000000	##FFFFFF
##3833AA	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BAE

Deuteranopia (green-blind)

#0041A8

Tritanopia (blue-blind)

#00536A

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3833aa;
/* rgb */ color: rgb(56, 51, 170);
/* oklch */ color: oklch(41.1% 0.183 276.5);

Tailwind

colors: {
  custom: {
    50: '#7e6cc4',
    500: '#3833aa',
    950: '#000000',
  },
}

SCSS

$custom: #3833aa;
$custom-light: #7e6cc4;
$custom-dark: #000000;

JSON

{
  "hex": "#3833aa",
  "rgb": {
    "r": 56,
    "g": 51,
    "b": 170
  },
  "hsl": {
    "h": 242.521,
    "s": 53.846,
    "l": 43.333
  },
  "oklch": {
    "l": 0.4106,
    "c": 0.18271,
    "h": 276.5
  },
  "luminance": 0.06111
}

Semantic roles & 50–950 ramp

primary

#3833AA

secondary

#BEC277

accent

#DD4BD7

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3833AA

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

Preview Lab → · Contrast checker → · Palette generator →