#3330B4#3330B4

#3330B4 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 41.3% C 0.200 H 274.2°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#3330B4
RGB	rgb(51, 48, 180)
HSL	hsl(241, 58%, 45%)
HSV	hsv(241, 73%, 71%)
CMYK	cmyk(71.7%, 73.3%, 0%, 29.4%)
CIE-LAB	lab(29.69, 44.15, -68.85)
CIE-LCH	lch(29.69, 81.79, 302.67°)
OKLab	oklab(41.27% 0.0147 -0.1991)
OKLCH	oklch(41.27% 0.2 274.2)
XYZ	xyz(10.6577, 6.1120, 43.7892)
Luminance	0.0611 (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

#3330B4 #B1B430

analogous

#306FB4 #3330B4 #7530B4

triadic

#3330B4 #B43330 #30B433

tetradic

#3330B4 #B4306F #B1B430 #30B475

square

#3330B4 #B4306F #B1B430 #30B475

split-complementary

#3330B4 #B47530 #6FB430

monochromatic

#181653 #252384 #3330B4 #5451D1 #8381DD

Accessibility & contrast

On white

9.45

#3330B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#3330B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3330B4

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3330B4	#FFFFFF	#000000	##FFFFFF
##3330B4	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB8

Deuteranopia (green-blind)

#0040B2

Tritanopia (blue-blind)

#00566F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3330b4;
/* rgb */ color: rgb(51, 48, 180);
/* oklch */ color: oklch(41.3% 0.200 274.2);

Tailwind

colors: {
  custom: {
    50: '#7e6acc',
    500: '#3330b4',
    950: '#000000',
  },
}

SCSS

$custom: #3330b4;
$custom-light: #7e6acc;
$custom-dark: #000000;

JSON

{
  "hex": "#3330b4",
  "rgb": {
    "r": 51,
    "g": 48,
    "b": 180
  },
  "hsl": {
    "h": 241.364,
    "s": 57.895,
    "l": 44.706
  },
  "oklch": {
    "l": 0.41271,
    "c": 0.19964,
    "h": 274.2
  },
  "luminance": 0.06113
}

Semantic roles & 50–950 ramp

primary

#3330B4

secondary

#C5C679

accent

#E147DE

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3330B4

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

Preview Lab → · Contrast checker → · Palette generator →