#3330B5#3330B5

#3330B5 is a dark, highly saturated blue. Relative luminance 0.062; OKLCH L 41.4% C 0.201 H 274.2°. Best body text is #FFFFFF at 9.41:1 contrast (WCAG AA passes).

Color values

HEX	#3330B5
RGB	rgb(51, 48, 181)
HSL	hsl(241, 58%, 45%)
HSV	hsv(241, 73%, 71%)
CMYK	cmyk(71.8%, 73.5%, 0%, 29%)
CIE-LAB	lab(29.80, 44.48, -69.27)
CIE-LCH	lch(29.80, 82.33, 302.71°)
OKLab	oklab(41.37% 0.0146 -0.2003)
OKLCH	oklch(41.37% 0.201 274.2)
XYZ	xyz(10.7599, 6.1529, 44.3277)
Luminance	0.0615 (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

#3330B5 #B2B530

analogous

#3070B5 #3330B5 #7530B5

triadic

#3330B5 #B53330 #30B533

tetradic

#3330B5 #B53070 #B2B530 #30B575

square

#3330B5 #B53070 #B2B530 #30B575

split-complementary

#3330B5 #B57530 #70B530

monochromatic

#181654 #252385 #3330B5 #5451D1 #8482DE

Accessibility & contrast

On white

9.41

#3330B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#3330B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3330B5

9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3330B5	#FFFFFF	#000000	##FFFFFF
##3330B5	1.00	9.41	2.23	9.41
#FFFFFF	9.41	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB9

Deuteranopia (green-blind)

#0040B3

Tritanopia (blue-blind)

#005670

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3330b5;
/* rgb */ color: rgb(51, 48, 181);
/* oklch */ color: oklch(41.4% 0.201 274.2);

Tailwind

colors: {
  custom: {
    50: '#7e6acc',
    500: '#3330b5',
    950: '#000000',
  },
}

SCSS

$custom: #3330b5;
$custom-light: #7e6acc;
$custom-dark: #000000;

JSON

{
  "hex": "#3330b5",
  "rgb": {
    "r": 51,
    "g": 48,
    "b": 181
  },
  "hsl": {
    "h": 241.353,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.41373,
    "c": 0.20088,
    "h": 274.2
  },
  "luminance": 0.06154
}

Semantic roles & 50–950 ramp

primary

#3330B5

secondary

#C5C77A

accent

#E146DE

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3330B5

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

Preview Lab → · Contrast checker → · Palette generator →