#3833AB#3833AB

#3833AB is a dark, vivid blue. Relative luminance 0.061; OKLCH L 41.2% C 0.184 H 276.5°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#3833AB
RGB	rgb(56, 51, 171)
HSL	hsl(243, 54%, 44%)
HSV	hsv(243, 70%, 67%)
CMYK	cmyk(67.3%, 70.2%, 0%, 32.9%)
CIE-LAB	lab(29.78, 39.98, -63.31)
CIE-LCH	lch(29.78, 74.88, 302.27°)
OKLab	oklab(41.16% 0.0207 -0.1828)
OKLCH	oklch(41.16% 0.184 276.5)
XYZ	xyz(10.1630, 6.1478, 39.1712)
Luminance	0.0615 (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

#3833AB #A6AB33

analogous

#336AAB #3833AB #7433AB

triadic

#3833AB #AB3833 #33AB38

tetradic

#3833AB #AB336A #A6AB33 #33AB74

square

#3833AB #AB336A #A6AB33 #33AB74

split-complementary

#3833AB #AB7433 #6AAB33

monochromatic

#19174D #29257C #3833AB #5550CB #837FD9

Accessibility & contrast

On white

9.42

#3833AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#3833AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3833AB

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3833AB	#FFFFFF	#000000	##FFFFFF
##3833AB	1.00	9.42	2.23	9.42
#FFFFFF	9.42	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BAF

Deuteranopia (green-blind)

#0041A9

Tritanopia (blue-blind)

#00546B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3833ab;
/* rgb */ color: rgb(56, 51, 171);
/* oklch */ color: oklch(41.2% 0.184 276.5);

Tailwind

colors: {
  custom: {
    50: '#7e6cc5',
    500: '#3833ab',
    950: '#000000',
  },
}

SCSS

$custom: #3833ab;
$custom-light: #7e6cc5;
$custom-dark: #000000;

JSON

{
  "hex": "#3833ab",
  "rgb": {
    "r": 56,
    "g": 51,
    "b": 171
  },
  "hsl": {
    "h": 242.5,
    "s": 54.054,
    "l": 43.529
  },
  "oklch": {
    "l": 0.41157,
    "c": 0.18399,
    "h": 276.5
  },
  "luminance": 0.06149
}

Semantic roles & 50–950 ramp

primary

#3833AB

secondary

#BFC278

accent

#DD4AD7

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3833AB

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

Preview Lab → · Contrast checker → · Palette generator →