#3330AC#3330AC

#3330AC is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.5% C 0.190 H 274.9°. Best body text is #FFFFFF at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#3330AC
RGB	rgb(51, 48, 172)
HSL	hsl(241, 56%, 43%)
HSV	hsv(241, 72%, 67%)
CMYK	cmyk(70.3%, 72.1%, 0%, 32.5%)
CIE-LAB	lab(28.89, 41.49, -65.39)
CIE-LCH	lch(28.89, 77.44, 302.40°)
OKLab	oklab(40.46% 0.0161 -0.189)
OKLCH	oklch(40.46% 0.19 274.9)
XYZ	xyz(9.8661, 5.7953, 39.6204)
Luminance	0.0580 (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

#3330AC #A9AC30

analogous

#306BAC #3330AC #7130AC

triadic

#3330AC #AC3330 #30AC33

tetradic

#3330AC #AC306B #A9AC30 #30AC71

square

#3330AC #AC306B #A9AC30 #30AC71

split-complementary

#3330AC #AC7130 #6BAC30

monochromatic

#17154C #25237C #3330AC #4F4CCD #7E7CDA

Accessibility & contrast

On white

9.73

#3330AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#3330AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3330AC

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3330AC	#FFFFFF	#000000	##FFFFFF
##3330AC	1.00	9.73	2.16	9.73
#FFFFFF	9.73	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB0

Deuteranopia (green-blind)

#003EAA

Tritanopia (blue-blind)

#00536B

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3330ac;
/* rgb */ color: rgb(51, 48, 172);
/* oklch */ color: oklch(40.5% 0.190 274.9);

Tailwind

colors: {
  custom: {
    50: '#7c6ac6',
    500: '#3330ac',
    950: '#000000',
  },
}

SCSS

$custom: #3330ac;
$custom-light: #7c6ac6;
$custom-dark: #000000;

JSON

{
  "hex": "#3330ac",
  "rgb": {
    "r": 51,
    "g": 48,
    "b": 172
  },
  "hsl": {
    "h": 241.452,
    "s": 56.364,
    "l": 43.137
  },
  "oklch": {
    "l": 0.40457,
    "c": 0.18971,
    "h": 274.9
  },
  "luminance": 0.05796
}

Semantic roles & 50–950 ramp

primary

#3330AC

secondary

#C1C375

accent

#E048DC

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3330AC

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

Preview Lab → · Contrast checker → · Palette generator →