#3330B0#3330B0

#3330B0 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.9% C 0.195 H 274.5°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#3330B0
RGB	rgb(51, 48, 176)
HSL	hsl(241, 57%, 44%)
HSV	hsv(241, 73%, 69%)
CMYK	cmyk(71%, 72.7%, 0%, 31%)
CIE-LAB	lab(29.29, 42.83, -67.13)
CIE-LCH	lch(29.29, 79.63, 302.54°)
OKLab	oklab(40.86% 0.0154 -0.1941)
OKLCH	oklch(40.86% 0.195 274.5)
XYZ	xyz(10.2561, 5.9513, 41.6741)
Luminance	0.0595 (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

#3330B0 #ADB030

analogous

#306DB0 #3330B0 #7330B0

triadic

#3330B0 #B03330 #30B033

tetradic

#3330B0 #B0306D #ADB030 #30B073

square

#3330B0 #B0306D #ADB030 #30B073

split-complementary

#3330B0 #B07330 #6DB030

monochromatic

#171650 #252380 #3330B0 #514ECF #817EDC

Accessibility & contrast

On white

9.59

#3330B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#3330B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3330B0

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3330B0	#FFFFFF	#000000	##FFFFFF
##3330B0	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB4

Deuteranopia (green-blind)

#003FAE

Tritanopia (blue-blind)

#00546D

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3330b0;
/* rgb */ color: rgb(51, 48, 176);
/* oklch */ color: oklch(40.9% 0.195 274.5);

Tailwind

colors: {
  custom: {
    50: '#7d6ac9',
    500: '#3330b0',
    950: '#000000',
  },
}

SCSS

$custom: #3330b0;
$custom-light: #7d6ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#3330b0",
  "rgb": {
    "r": 51,
    "g": 48,
    "b": 176
  },
  "hsl": {
    "h": 241.406,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.40862,
    "c": 0.1947,
    "h": 274.5
  },
  "luminance": 0.05952
}

Semantic roles & 50–950 ramp

primary

#3330B0

secondary

#C3C577

accent

#E047DD

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3330B0

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

Preview Lab → · Contrast checker → · Palette generator →