#3331BE#3331BE

#3331BE is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.4% C 0.211 H 273.4°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#3331BE
RGB	rgb(51, 49, 190)
HSL	hsl(241, 59%, 47%)
HSV	hsv(241, 74%, 75%)
CMYK	cmyk(73.2%, 74.2%, 0%, 25.5%)
CIE-LAB	lab(30.92, 46.88, -72.75)
CIE-LCH	lch(30.92, 86.54, 302.80°)
OKLab	oklab(42.45% 0.0124 -0.2105)
OKLCH	oklch(42.45% 0.211 273.4)
XYZ	xyz(11.7547, 6.6169, 49.3629)
Luminance	0.0662 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 4.14

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3331BE #BCBE31

analogous

#3176BE #3331BE #7A31BE

triadic

#3331BE #BE3331 #31BE33

tetradic

#3331BE #BE3176 #BCBE31 #31BE7A

square

#3331BE #BE3176 #BCBE31 #31BE7A

split-complementary

#3331BE #BE7A31 #76BE31

monochromatic

#19185D #26248D #3331BE #5A58D4 #8A89E1

Accessibility & contrast

On white

9.04

#3331BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#3331BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3331BE

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3331BE	#FFFFFF	#000000	##FFFFFF
##3331BE	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FC2

Deuteranopia (green-blind)

#0042BB

Tritanopia (blue-blind)

#005A75

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3331be;
/* rgb */ color: rgb(51, 49, 190);
/* oklch */ color: oklch(42.4% 0.211 273.4);

Tailwind

colors: {
  custom: {
    50: '#806bd3',
    500: '#3331be',
    950: '#000000',
  },
}

SCSS

$custom: #3331be;
$custom-light: #806bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3331be",
  "rgb": {
    "r": 51,
    "g": 49,
    "b": 190
  },
  "hsl": {
    "h": 240.851,
    "s": 58.996,
    "l": 46.863
  },
  "oklch": {
    "l": 0.42447,
    "c": 0.21084,
    "h": 273.4
  },
  "luminance": 0.06618
}

Semantic roles & 50–950 ramp

primary

#3331BE

secondary

#C9CA80

accent

#E246E0

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3331BE

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

Preview Lab → · Contrast checker → · Palette generator →