#3330A3#3330A3

#3330A3 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.6% C 0.178 H 275.7°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#3330A3
RGB	rgb(51, 48, 163)
HSL	hsl(242, 55%, 41%)
HSV	hsv(242, 71%, 64%)
CMYK	cmyk(68.7%, 70.6%, 0%, 36.1%)
CIE-LAB	lab(28.01, 38.46, -61.41)
CIE-LCH	lch(28.01, 72.46, 302.06°)
OKLab	oklab(39.56% 0.0176 -0.1774)
OKLCH	oklch(39.56% 0.178 275.7)
XYZ	xyz(9.0309, 5.4612, 35.2214)
Luminance	0.0546 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3330A3 #A0A330

analogous

#3067A3 #3330A3 #6D30A3

triadic

#3330A3 #A33330 #30A333

tetradic

#3330A3 #A33067 #A0A330 #30A36D

square

#3330A3 #A33067 #A0A330 #30A36D

split-complementary

#3330A3 #A36D30 #67A330

monochromatic

#151444 #242274 #3330A3 #4B47C9 #7977D7

Accessibility & contrast

On white

10.04

#3330A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#3330A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3330A3

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3330A3	#FFFFFF	#000000	##FFFFFF
##3330A3	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A6

Deuteranopia (green-blind)

#003DA1

Tritanopia (blue-blind)

#004F66

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3330a3;
/* rgb */ color: rgb(51, 48, 163);
/* oklch */ color: oklch(39.6% 0.178 275.7);

Tailwind

colors: {
  custom: {
    50: '#7a69bf',
    500: '#3330a3',
    950: '#000000',
  },
}

SCSS

$custom: #3330a3;
$custom-light: #7a69bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3330a3",
  "rgb": {
    "r": 51,
    "g": 48,
    "b": 163
  },
  "hsl": {
    "h": 241.565,
    "s": 54.502,
    "l": 41.373
  },
  "oklch": {
    "l": 0.3956,
    "c": 0.17828,
    "h": 275.7
  },
  "luminance": 0.05462
}

Semantic roles & 50–950 ramp

primary

#3330A3

secondary

#BDBF70

accent

#DE4ADA

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3330A3

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

Preview Lab → · Contrast checker → · Palette generator →