#3331C0#3331C0

#3331C0 is a dark, highly saturated blue. Relative luminance 0.067; OKLCH L 42.7% C 0.213 H 273.2°. Best body text is #FFFFFF at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#3331C0
RGB	rgb(51, 49, 192)
HSL	hsl(241, 59%, 47%)
HSV	hsv(241, 74%, 75%)
CMYK	cmyk(73.4%, 74.5%, 0%, 24.7%)
CIE-LAB	lab(31.13, 47.53, -73.58)
CIE-LCH	lch(31.13, 87.60, 302.86°)
OKLab	oklab(42.66% 0.0121 -0.2129)
OKLCH	oklch(42.66% 0.213 273.2)
XYZ	xyz(11.9748, 6.7050, 50.5221)
Luminance	0.0671 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 4.32

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3331C0 #BEC031

analogous

#3177C0 #3331C0 #7A31C0

triadic

#3331C0 #C03331 #31C033

tetradic

#3331C0 #C03177 #BEC031 #31C07A

square

#3331C0 #C03177 #BEC031 #31C07A

split-complementary

#3331C0 #C07A31 #77C031

monochromatic

#19185E #26258F #3331C0 #5B59D5 #8B8AE1

Accessibility & contrast

On white

8.97

#3331C0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#3331C0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3331C0

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3331C0	#FFFFFF	#000000	##FFFFFF
##3331C0	1.00	8.97	2.34	8.97
#FFFFFF	8.97	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050C4

Deuteranopia (green-blind)

#0042BD

Tritanopia (blue-blind)

#005B76

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3331c0;
/* rgb */ color: rgb(51, 49, 192);
/* oklch */ color: oklch(42.7% 0.213 273.2);

Tailwind

colors: {
  custom: {
    50: '#816bd4',
    500: '#3331c0',
    950: '#000000',
  },
}

SCSS

$custom: #3331c0;
$custom-light: #816bd4;
$custom-dark: #000000;

JSON

{
  "hex": "#3331c0",
  "rgb": {
    "r": 51,
    "g": 49,
    "b": 192
  },
  "hsl": {
    "h": 240.839,
    "s": 59.336,
    "l": 47.255
  },
  "oklch": {
    "l": 0.42655,
    "c": 0.21325,
    "h": 273.2
  },
  "luminance": 0.06706
}

Semantic roles & 50–950 ramp

primary

#3331C0

secondary

#CACB82

accent

#E345E0

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3331C0

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

Preview Lab → · Contrast checker → · Palette generator →