#3433B9#3433B9

#3433B9 is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.3% C 0.203 H 273.8°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#3433B9
RGB	rgb(52, 51, 185)
HSL	hsl(240, 57%, 46%)
HSV	hsv(240, 72%, 73%)
CMYK	cmyk(71.9%, 72.4%, 0%, 27.5%)
CIE-LAB	lab(30.88, 44.19, -69.86)
CIE-LCH	lch(30.88, 82.66, 302.32°)
OKLab	oklab(42.28% 0.0135 -0.202)
OKLCH	oklch(42.28% 0.203 273.8)
XYZ	xyz(11.3540, 6.5994, 46.5650)
Luminance	0.0660 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 3.50

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3433B9 #B8B933

analogous

#3375B9 #3433B9 #7733B9

triadic

#3433B9 #B93433 #33B934

tetradic

#3433B9 #B93375 #B8B933 #33B977

square

#3433B9 #B93375 #B8B933 #33B977

split-complementary

#3433B9 #B97733 #75B933

monochromatic

#191959 #272689 #3433B9 #5958D1 #8988DE

Accessibility & contrast

On white

9.05

#3433B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#3433B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3433B9

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3433B9	#FFFFFF	#000000	##FFFFFF
##3433B9	1.00	9.05	2.32	9.05
#FFFFFF	9.05	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FBD

Deuteranopia (green-blind)

#0042B7

Tritanopia (blue-blind)

#005973

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3433b9;
/* rgb */ color: rgb(52, 51, 185);
/* oklch */ color: oklch(42.3% 0.203 273.8);

Tailwind

colors: {
  custom: {
    50: '#7f6ccf',
    500: '#3433b9',
    950: '#000000',
  },
}

SCSS

$custom: #3433b9;
$custom-light: #7f6ccf;
$custom-dark: #000000;

JSON

{
  "hex": "#3433b9",
  "rgb": {
    "r": 52,
    "g": 51,
    "b": 185
  },
  "hsl": {
    "h": 240.448,
    "s": 56.78,
    "l": 46.275
  },
  "oklch": {
    "l": 0.42282,
    "c": 0.2025,
    "h": 273.8
  },
  "luminance": 0.066
}

Semantic roles & 50–950 ramp

primary

#3433B9

secondary

#C8C880

accent

#E048DF

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3433B9

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

Preview Lab → · Contrast checker → · Palette generator →