#4333AC#4333AC

#4333AC is a dark, vivid blue. Relative luminance 0.065; OKLCH L 42.1% C 0.183 H 281.1°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#4333AC
RGB	rgb(67, 51, 172)
HSL	hsl(248, 54%, 44%)
HSV	hsv(248, 70%, 67%)
CMYK	cmyk(61%, 70.3%, 0%, 32.5%)
CIE-LAB	lab(30.73, 41.80, -62.32)
CIE-LCH	lch(30.73, 75.04, 303.85°)
OKLab	oklab(42.09% 0.0352 -0.1796)
OKLCH	oklch(42.09% 0.183 281.1)
XYZ	xyz(10.9426, 6.5387, 39.7072)
Luminance	0.0654 (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

#4333AC #9CAC33

analogous

#335FAC #4333AC #7F33AC

triadic

#4333AC #AC4333 #33AC43

tetradic

#4333AC #AC335F #9CAC33 #33AC7F

square

#4333AC #AC335F #9CAC33 #33AC7F

split-complementary

#4333AC #AC7F33 #5FAC33

monochromatic

#1E174E #31257D #4333AC #6151CB #8C80D9

Accessibility & contrast

On white

9.10

#4333AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#4333AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4333AC

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4333AC	#FFFFFF	#000000	##FFFFFF
##4333AC	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB0

Deuteranopia (green-blind)

#0044AA

Tritanopia (blue-blind)

#00536C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #4333ac;
/* rgb */ color: rgb(67, 51, 172);
/* oklch */ color: oklch(42.1% 0.183 281.1);

Tailwind

colors: {
  custom: {
    50: '#836cc6',
    500: '#4333ac',
    950: '#000000',
  },
}

SCSS

$custom: #4333ac;
$custom-light: #836cc6;
$custom-dark: #000000;

JSON

{
  "hex": "#4333ac",
  "rgb": {
    "r": 67,
    "g": 51,
    "b": 172
  },
  "hsl": {
    "h": 247.934,
    "s": 54.26,
    "l": 43.725
  },
  "oklch": {
    "l": 0.42085,
    "c": 0.18302,
    "h": 281.1
  },
  "luminance": 0.0654
}

Semantic roles & 50–950 ramp

primary

#4333AC

secondary

#B9C278

accent

#DE4ACA

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4333AC

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

Preview Lab → · Contrast checker → · Palette generator →