#3330AA#3330AA

#3330AA is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.3% C 0.187 H 275.0°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#3330AA
RGB	rgb(51, 48, 170)
HSL	hsl(241, 56%, 43%)
HSV	hsv(241, 72%, 67%)
CMYK	cmyk(70%, 71.8%, 0%, 33.3%)
CIE-LAB	lab(28.69, 40.82, -64.51)
CIE-LCH	lch(28.69, 76.34, 302.32°)
OKLab	oklab(40.26% 0.0165 -0.1865)
OKLCH	oklch(40.26% 0.187 275)
XYZ	xyz(9.6755, 5.7191, 38.6164)
Luminance	0.0572 (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

#3330AA #A7AA30

analogous

#306AAA #3330AA #7030AA

triadic

#3330AA #AA3330 #30AA33

tetradic

#3330AA #AA306A #A7AA30 #30AA70

square

#3330AA #AA306A #A7AA30 #30AA70

split-complementary

#3330AA #AA7030 #6AAA30

monochromatic

#16154B #25237A #3330AA #4E4BCC #7D7BDA

Accessibility & contrast

On white

9.79

#3330AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#3330AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3330AA

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3330AA	#FFFFFF	#000000	##FFFFFF
##3330AA	1.00	9.79	2.14	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049AE

Deuteranopia (green-blind)

#003EA8

Tritanopia (blue-blind)

#00526A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3330aa;
/* rgb */ color: rgb(51, 48, 170);
/* oklch */ color: oklch(40.3% 0.187 275.0);

Tailwind

colors: {
  custom: {
    50: '#7c6ac4',
    500: '#3330aa',
    950: '#000000',
  },
}

SCSS

$custom: #3330aa;
$custom-light: #7c6ac4;
$custom-dark: #000000;

JSON

{
  "hex": "#3330aa",
  "rgb": {
    "r": 51,
    "g": 48,
    "b": 170
  },
  "hsl": {
    "h": 241.475,
    "s": 55.963,
    "l": 42.745
  },
  "oklch": {
    "l": 0.40256,
    "c": 0.18719,
    "h": 275
  },
  "luminance": 0.0572
}

Semantic roles & 50–950 ramp

primary

#3330AA

secondary

#C0C274

accent

#DF49DC

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3330AA

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

Preview Lab → · Contrast checker → · Palette generator →