#3330B8#3330B8

#3330B8 is a dark, highly saturated blue. Relative luminance 0.063; OKLCH L 41.7% C 0.205 H 273.9°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#3330B8
RGB	rgb(51, 48, 184)
HSL	hsl(241, 59%, 45%)
HSV	hsv(241, 74%, 72%)
CMYK	cmyk(72.3%, 73.9%, 0%, 27.8%)
CIE-LAB	lab(30.10, 45.47, -70.55)
CIE-LCH	lch(30.10, 83.93, 302.80°)
OKLab	oklab(41.68% 0.014 -0.2041)
OKLCH	oklch(41.68% 0.205 273.9)
XYZ	xyz(11.0710, 6.2773, 45.9663)
Luminance	0.0628 (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

#3330B8 #B5B830

analogous

#3071B8 #3330B8 #7730B8

triadic

#3330B8 #B83330 #30B833

tetradic

#3330B8 #B83071 #B5B830 #30B877

square

#3330B8 #B83071 #B5B830 #30B877

split-complementary

#3330B8 #B87730 #71B830

monochromatic

#181757 #262387 #3330B8 #5653D2 #8684DF

Accessibility & contrast

On white

9.31

#3330B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#3330B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3330B8

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3330B8	#FFFFFF	#000000	##FFFFFF
##3330B8	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DBC

Deuteranopia (green-blind)

#0040B6

Tritanopia (blue-blind)

#005771

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3330b8;
/* rgb */ color: rgb(51, 48, 184);
/* oklch */ color: oklch(41.7% 0.205 273.9);

Tailwind

colors: {
  custom: {
    50: '#7f6acf',
    500: '#3330b8',
    950: '#000000',
  },
}

SCSS

$custom: #3330b8;
$custom-light: #7f6acf;
$custom-dark: #000000;

JSON

{
  "hex": "#3330b8",
  "rgb": {
    "r": 51,
    "g": 48,
    "b": 184
  },
  "hsl": {
    "h": 241.324,
    "s": 58.621,
    "l": 45.49
  },
  "oklch": {
    "l": 0.41683,
    "c": 0.20454,
    "h": 273.9
  },
  "luminance": 0.06278
}

Semantic roles & 50–950 ramp

primary

#3330B8

secondary

#C6C87C

accent

#E246DE

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3330B8

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

Preview Lab → · Contrast checker → · Palette generator →