#3331BC#3331BC

#3331BC is a dark, highly saturated blue. Relative luminance 0.065; OKLCH L 42.2% C 0.208 H 273.5°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#3331BC
RGB	rgb(51, 49, 188)
HSL	hsl(241, 59%, 46%)
HSV	hsv(241, 74%, 74%)
CMYK	cmyk(72.9%, 73.9%, 0%, 26.3%)
CIE-LAB	lab(30.71, 46.22, -71.91)
CIE-LCH	lch(30.71, 85.48, 302.73°)
OKLab	oklab(42.24% 0.0128 -0.208)
OKLCH	oklch(42.24% 0.208 273.5)
XYZ	xyz(11.5376, 6.5301, 48.2196)
Luminance	0.0653 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 3.97

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3331BC #BABC31

analogous

#3175BC #3331BC #7931BC

triadic

#3331BC #BC3331 #31BC33

tetradic

#3331BC #BC3175 #BABC31 #31BC79

square

#3331BC #BC3175 #BABC31 #31BC79

split-complementary

#3331BC #BC7931 #75BC31

monochromatic

#19185B #26248B #3331BC #5957D3 #8988E0

Accessibility & contrast

On white

9.11

#3331BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#3331BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3331BC

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3331BC	#FFFFFF	#000000	##FFFFFF
##3331BC	1.00	9.11	2.31	9.11
#FFFFFF	9.11	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FC0

Deuteranopia (green-blind)

#0042BA

Tritanopia (blue-blind)

#005974

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3331bc;
/* rgb */ color: rgb(51, 49, 188);
/* oklch */ color: oklch(42.2% 0.208 273.5);

Tailwind

colors: {
  custom: {
    50: '#806bd1',
    500: '#3331bc',
    950: '#000000',
  },
}

SCSS

$custom: #3331bc;
$custom-light: #806bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3331bc",
  "rgb": {
    "r": 51,
    "g": 49,
    "b": 188
  },
  "hsl": {
    "h": 240.863,
    "s": 58.65,
    "l": 46.471
  },
  "oklch": {
    "l": 0.42239,
    "c": 0.20842,
    "h": 273.5
  },
  "luminance": 0.06531
}

Semantic roles & 50–950 ramp

primary

#3331BC

secondary

#C9CA7F

accent

#E246E0

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3331BC

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

Preview Lab → · Contrast checker → · Palette generator →