#3533AB#3533AB

#3533AB is a dark, vivid blue. Relative luminance 0.061; OKLCH L 41.0% C 0.185 H 275.2°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#3533AB
RGB	rgb(53, 51, 171)
HSL	hsl(241, 54%, 44%)
HSV	hsv(241, 70%, 67%)
CMYK	cmyk(69%, 70.2%, 0%, 32.9%)
CIE-LAB	lab(29.57, 39.61, -63.66)
CIE-LCH	lch(29.57, 74.98, 301.89°)
OKLab	oklab(40.95% 0.0169 -0.1839)
OKLCH	oklch(40.95% 0.185 275.2)
XYZ	xyz(10.0003, 6.0639, 39.1636)
Luminance	0.0607 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.89

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3533AB #A9AB33

analogous

#336DAB #3533AB #7133AB

triadic

#3533AB #AB3533 #33AB35

tetradic

#3533AB #AB336D #A9AB33 #33AB71

square

#3533AB #AB336D #A9AB33 #33AB71

split-complementary

#3533AB #AB7133 #6DAB33

monochromatic

#18174D #26257C #3533AB #5250CB #817FD9

Accessibility & contrast

On white

9.49

#3533AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#3533AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3533AB

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3533AB	#FFFFFF	#000000	##FFFFFF
##3533AB	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BAF

Deuteranopia (green-blind)

#0040A9

Tritanopia (blue-blind)

#00546B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3533ab;
/* rgb */ color: rgb(53, 51, 171);
/* oklch */ color: oklch(41.0% 0.185 275.2);

Tailwind

colors: {
  custom: {
    50: '#7d6cc5',
    500: '#3533ab',
    950: '#000000',
  },
}

SCSS

$custom: #3533ab;
$custom-light: #7d6cc5;
$custom-dark: #000000;

JSON

{
  "hex": "#3533ab",
  "rgb": {
    "r": 53,
    "g": 51,
    "b": 171
  },
  "hsl": {
    "h": 241,
    "s": 54.054,
    "l": 43.529
  },
  "oklch": {
    "l": 0.40952,
    "c": 0.1847,
    "h": 275.2
  },
  "luminance": 0.06065
}

Semantic roles & 50–950 ramp

primary

#3533AB

secondary

#C1C278

accent

#DD4ADB

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3533AB

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

Preview Lab → · Contrast checker → · Palette generator →