#3331CF#3331CF

#3331CF is a dark, highly saturated blue. Relative luminance 0.074; OKLCH L 44.2% C 0.231 H 272.3°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#3331CF
RGB	rgb(51, 49, 207)
HSL	hsl(241, 62%, 50%)
HSV	hsv(241, 76%, 81%)
CMYK	cmyk(75.4%, 76.3%, 0%, 18.8%)
CIE-LAB	lab(32.71, 52.35, -79.74)
CIE-LCH	lch(32.71, 95.38, 303.28°)
OKLab	oklab(44.24% 0.0092 -0.2308)
OKLCH	oklch(44.24% 0.231 272.3)
XYZ	xyz(13.7223, 7.4040, 59.7253)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.99

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3331CF #CDCF31

analogous

#317ECF #3331CF #8231CF

triadic

#3331CF #CF3331 #31CF33

tetradic

#3331CF #CF317E #CDCF31 #31CF82

square

#3331CF #CF317E #CDCF31 #31CF82

split-complementary

#3331CF #CF8231 #7ECF31

monochromatic

#1A196C #26259E #3331CF #6463DB #9594E6

Accessibility & contrast

On white

8.46

#3331CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#3331CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3331CF

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3331CF	#FFFFFF	#000000	##FFFFFF
##3331CF	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055D3

Deuteranopia (green-blind)

#0045CC

Tritanopia (blue-blind)

#00607F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3331cf;
/* rgb */ color: rgb(51, 49, 207);
/* oklch */ color: oklch(44.2% 0.231 272.3);

Tailwind

colors: {
  custom: {
    50: '#846cdf',
    500: '#3331cf',
    950: '#000000',
  },
}

SCSS

$custom: #3331cf;
$custom-light: #846cdf;
$custom-dark: #000000;

JSON

{
  "hex": "#3331cf",
  "rgb": {
    "r": 51,
    "g": 49,
    "b": 207
  },
  "hsl": {
    "h": 240.759,
    "s": 62.205,
    "l": 50.196
  },
  "oklch": {
    "l": 0.44242,
    "c": 0.23097,
    "h": 272.3
  },
  "luminance": 0.07405
}

Semantic roles & 50–950 ramp

primary

#3331CF

secondary

#D0D18B

accent

#E543E3

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3331CF

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

Preview Lab → · Contrast checker → · Palette generator →