#3330A4#3330A4

#3330A4 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.7% C 0.180 H 275.6°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#3330A4
RGB	rgb(51, 48, 164)
HSL	hsl(242, 55%, 42%)
HSV	hsv(242, 71%, 64%)
CMYK	cmyk(68.9%, 70.7%, 0%, 35.7%)
CIE-LAB	lab(28.11, 38.80, -61.86)
CIE-LCH	lch(28.11, 73.02, 302.10°)
OKLab	oklab(39.66% 0.0174 -0.1787)
OKLCH	oklch(39.66% 0.18 275.6)
XYZ	xyz(9.1208, 5.4972, 35.6952)
Luminance	0.0550 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3330A4 #A1A430

analogous

#3067A4 #3330A4 #6D30A4

triadic

#3330A4 #A43330 #30A433

tetradic

#3330A4 #A43067 #A1A430 #30A46D

square

#3330A4 #A43067 #A1A430 #30A46D

split-complementary

#3330A4 #A46D30 #67A430

monochromatic

#161445 #242275 #3330A4 #4B48C9 #7A77D7

Accessibility & contrast

On white

10.00

#3330A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#3330A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3330A4

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3330A4	#FFFFFF	#000000	##FFFFFF
##3330A4	1.00	10.00	2.10	10.00
#FFFFFF	10.00	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A7

Deuteranopia (green-blind)

#003DA2

Tritanopia (blue-blind)

#005066

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3330a4;
/* rgb */ color: rgb(51, 48, 164);
/* oklch */ color: oklch(39.7% 0.180 275.6);

Tailwind

colors: {
  custom: {
    50: '#7b69c0',
    500: '#3330a4',
    950: '#000000',
  },
}

SCSS

$custom: #3330a4;
$custom-light: #7b69c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3330a4",
  "rgb": {
    "r": 51,
    "g": 48,
    "b": 164
  },
  "hsl": {
    "h": 241.552,
    "s": 54.717,
    "l": 41.569
  },
  "oklch": {
    "l": 0.39659,
    "c": 0.17956,
    "h": 275.6
  },
  "luminance": 0.05498
}

Semantic roles & 50–950 ramp

primary

#3330A4

secondary

#BDBF70

accent

#DE4ADA

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3330A4

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

Preview Lab → · Contrast checker → · Palette generator →