#3433BB#3433BB

#3433BB is a dark, highly saturated blue. Relative luminance 0.067; OKLCH L 42.5% C 0.205 H 273.7°. Best body text is #FFFFFF at 8.99:1 contrast (WCAG AA passes).

Color values

HEX	#3433BB
RGB	rgb(52, 51, 187)
HSL	hsl(240, 57%, 47%)
HSV	hsv(240, 73%, 73%)
CMYK	cmyk(72.2%, 72.7%, 0%, 26.7%)
CIE-LAB	lab(31.08, 44.86, -70.71)
CIE-LCH	lch(31.08, 83.74, 302.39°)
OKLab	oklab(42.49% 0.0131 -0.2045)
OKLCH	oklch(42.49% 0.205 273.7)
XYZ	xyz(11.5666, 6.6844, 47.6847)
Luminance	0.0669 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 3.67

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3433BB #BABB33

analogous

#3376BB #3433BB #7833BB

triadic

#3433BB #BB3433 #33BB34

tetradic

#3433BB #BB3376 #BABB33 #33BB78

square

#3433BB #BB3376 #BABB33 #33BB78

split-complementary

#3433BB #BB7833 #76BB33

monochromatic

#19195B #27268B #3433BB #5A59D2 #8A89DF

Accessibility & contrast

On white

8.99

#3433BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#3433BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3433BB

8.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3433BB	#FFFFFF	#000000	##FFFFFF
##3433BB	1.00	8.99	2.34	8.99
#FFFFFF	8.99	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050BF

Deuteranopia (green-blind)

#0043B9

Tritanopia (blue-blind)

#005A74

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3433bb;
/* rgb */ color: rgb(52, 51, 187);
/* oklch */ color: oklch(42.5% 0.205 273.7);

Tailwind

colors: {
  custom: {
    50: '#806cd1',
    500: '#3433bb',
    950: '#000000',
  },
}

SCSS

$custom: #3433bb;
$custom-light: #806cd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3433bb",
  "rgb": {
    "r": 52,
    "g": 51,
    "b": 187
  },
  "hsl": {
    "h": 240.441,
    "s": 57.143,
    "l": 46.667
  },
  "oklch": {
    "l": 0.42485,
    "c": 0.20496,
    "h": 273.7
  },
  "luminance": 0.06686
}

Semantic roles & 50–950 ramp

primary

#3433BB

secondary

#C8C981

accent

#E047DF

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3433BB

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

Preview Lab → · Contrast checker → · Palette generator →