#3331BA#3331BA

#3331BA is a dark, highly saturated blue. Relative luminance 0.064; OKLCH L 42.0% C 0.206 H 273.7°. Best body text is #FFFFFF at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#3331BA
RGB	rgb(51, 49, 186)
HSL	hsl(241, 58%, 46%)
HSV	hsv(241, 74%, 73%)
CMYK	cmyk(72.6%, 73.7%, 0%, 27.1%)
CIE-LAB	lab(30.51, 45.57, -71.06)
CIE-LCH	lch(30.51, 84.42, 302.67°)
OKLab	oklab(42.03% 0.0132 -0.2056)
OKLCH	oklch(42.03% 0.206 273.7)
XYZ	xyz(11.3235, 6.4445, 47.0920)
Luminance	0.0645 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 3.80

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3331BA #B8BA31

analogous

#3173BA #3331BA #7731BA

triadic

#3331BA #BA3331 #31BA33

tetradic

#3331BA #BA3173 #B8BA31 #31BA77

square

#3331BA #BA3173 #B8BA31 #31BA77

split-complementary

#3331BA #BA7731 #73BA31

monochromatic

#181759 #26248A #3331BA #5856D2 #8886DF

Accessibility & contrast

On white

9.17

#3331BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#3331BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3331BA

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3331BA	#FFFFFF	#000000	##FFFFFF
##3331BA	1.00	9.17	2.29	9.17
#FFFFFF	9.17	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBE

Deuteranopia (green-blind)

#0041B8

Tritanopia (blue-blind)

#005873

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3331ba;
/* rgb */ color: rgb(51, 49, 186);
/* oklch */ color: oklch(42.0% 0.206 273.7);

Tailwind

colors: {
  custom: {
    50: '#7f6bd0',
    500: '#3331ba',
    950: '#000000',
  },
}

SCSS

$custom: #3331ba;
$custom-light: #7f6bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3331ba",
  "rgb": {
    "r": 51,
    "g": 49,
    "b": 186
  },
  "hsl": {
    "h": 240.876,
    "s": 58.298,
    "l": 46.078
  },
  "oklch": {
    "l": 0.42032,
    "c": 0.20599,
    "h": 273.7
  },
  "luminance": 0.06446
}

Semantic roles & 50–950 ramp

primary

#3331BA

secondary

#C8C97E

accent

#E246DF

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3331BA

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

Preview Lab → · Contrast checker → · Palette generator →