#3533BC#3533BC

#3533BC is a dark, highly saturated blue. Relative luminance 0.068; OKLCH L 42.6% C 0.206 H 273.9°. Best body text is #FFFFFF at 8.93:1 contrast (WCAG AA passes).

Color values

HEX	#3533BC
RGB	rgb(53, 51, 188)
HSL	hsl(241, 57%, 47%)
HSV	hsv(241, 73%, 74%)
CMYK	cmyk(71.8%, 72.9%, 0%, 26.3%)
CIE-LAB	lab(31.24, 45.29, -71.03)
CIE-LCH	lch(31.24, 84.24, 302.52°)
OKLab	oklab(42.65% 0.0142 -0.2054)
OKLCH	oklch(42.65% 0.206 273.9)
XYZ	xyz(11.7261, 6.7542, 48.2529)
Luminance	0.0675 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 3.83

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3533BC #BABC33

analogous

#3376BC #3533BC #7A33BC

triadic

#3533BC #BC3533 #33BC35

tetradic

#3533BC #BC3376 #BABC33 #33BC7A

square

#3533BC #BC3376 #BABC33 #33BC7A

split-complementary

#3533BC #BC7A33 #76BC33

monochromatic

#1A195C #27268C #3533BC #5C5AD2 #8B8ADF

Accessibility & contrast

On white

8.93

#3533BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#3533BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3533BC

8.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3533BC	#FFFFFF	#000000	##FFFFFF
##3533BC	1.00	8.93	2.35	8.93
#FFFFFF	8.93	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050C0

Deuteranopia (green-blind)

#0043BA

Tritanopia (blue-blind)

#005A74

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3533bc;
/* rgb */ color: rgb(53, 51, 188);
/* oklch */ color: oklch(42.6% 0.206 273.9);

Tailwind

colors: {
  custom: {
    50: '#806cd1',
    500: '#3533bc',
    950: '#000000',
  },
}

SCSS

$custom: #3533bc;
$custom-light: #806cd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3533bc",
  "rgb": {
    "r": 53,
    "g": 51,
    "b": 188
  },
  "hsl": {
    "h": 240.876,
    "s": 57.322,
    "l": 46.863
  },
  "oklch": {
    "l": 0.42648,
    "c": 0.20593,
    "h": 273.9
  },
  "luminance": 0.06755
}

Semantic roles & 50–950 ramp

primary

#3533BC

secondary

#C8C981

accent

#E147DE

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3533BC

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

Preview Lab → · Contrast checker → · Palette generator →