#4333AD#4333AD

#4333AD is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.2% C 0.184 H 281.0°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#4333AD
RGB	rgb(67, 51, 173)
HSL	hsl(248, 54%, 44%)
HSV	hsv(248, 71%, 68%)
CMYK	cmyk(61.3%, 70.5%, 0%, 32.2%)
CIE-LAB	lab(30.82, 42.12, -62.76)
CIE-LCH	lch(30.82, 75.59, 303.86°)
OKLab	oklab(42.18% 0.035 -0.1809)
OKLCH	oklch(42.18% 0.184 281)
XYZ	xyz(11.0390, 6.5773, 40.2149)
Luminance	0.0658 (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

#4333AD #9DAD33

analogous

#3360AD #4333AD #8033AD

triadic

#4333AD #AD4333 #33AD43

tetradic

#4333AD #AD3360 #9DAD33 #33AD80

square

#4333AD #AD3360 #9DAD33 #33AD80

split-complementary

#4333AD #AD8033 #60AD33

monochromatic

#1E174E #31257E #4333AD #6151CC #8C81DA

Accessibility & contrast

On white

9.07

#4333AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#4333AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4333AD

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4333AD	#FFFFFF	#000000	##FFFFFF
##4333AD	1.00	9.07	2.32	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB1

Deuteranopia (green-blind)

#0044AB

Tritanopia (blue-blind)

#00546C

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #4333ad;
/* rgb */ color: rgb(67, 51, 173);
/* oklch */ color: oklch(42.2% 0.184 281.0);

Tailwind

colors: {
  custom: {
    50: '#846cc7',
    500: '#4333ad',
    950: '#000000',
  },
}

SCSS

$custom: #4333ad;
$custom-light: #846cc7;
$custom-dark: #000000;

JSON

{
  "hex": "#4333ad",
  "rgb": {
    "r": 67,
    "g": 51,
    "b": 173
  },
  "hsl": {
    "h": 247.869,
    "s": 54.464,
    "l": 43.922
  },
  "oklch": {
    "l": 0.42178,
    "c": 0.18427,
    "h": 281
  },
  "luminance": 0.06578
}

Semantic roles & 50–950 ramp

primary

#4333AD

secondary

#B9C379

accent

#DE4ACA

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4333AD

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

Preview Lab → · Contrast checker → · Palette generator →