#3331D0#3331D0

#3331D0 is a dark, highly saturated blue. Relative luminance 0.075; OKLCH L 44.3% C 0.232 H 272.2°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#3331D0
RGB	rgb(51, 49, 208)
HSL	hsl(241, 63%, 50%)
HSV	hsv(241, 76%, 82%)
CMYK	cmyk(75.5%, 76.4%, 0%, 18.4%)
CIE-LAB	lab(32.82, 52.66, -80.14)
CIE-LCH	lch(32.82, 95.89, 303.31°)
OKLab	oklab(44.35% 0.009 -0.232)
OKLCH	oklch(44.35% 0.232 272.2)
XYZ	xyz(13.8449, 7.4530, 60.3712)
Luminance	0.0745 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.96

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3331D0 #CED031

analogous

#317ED0 #3331D0 #8331D0

triadic

#3331D0 #D03331 #31D033

tetradic

#3331D0 #D0317E #CED031 #31D083

square

#3331D0 #D0317E #CED031 #31D083

split-complementary

#3331D0 #D08331 #7ED031

monochromatic

#1A196E #26249F #3331D0 #6463DB #9695E7

Accessibility & contrast

On white

8.43

#3331D0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3331D0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3331D0

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3331D0	#FFFFFF	#000000	##FFFFFF
##3331D0	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055D5

Deuteranopia (green-blind)

#0045CD

Tritanopia (blue-blind)

#00617F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3331d0;
/* rgb */ color: rgb(51, 49, 208);
/* oklch */ color: oklch(44.3% 0.232 272.2);

Tailwind

colors: {
  custom: {
    50: '#846ce0',
    500: '#3331d0',
    950: '#000000',
  },
}

SCSS

$custom: #3331d0;
$custom-light: #846ce0;
$custom-dark: #000000;

JSON

{
  "hex": "#3331d0",
  "rgb": {
    "r": 51,
    "g": 49,
    "b": 208
  },
  "hsl": {
    "h": 240.755,
    "s": 62.846,
    "l": 50.392
  },
  "oklch": {
    "l": 0.44349,
    "c": 0.23213,
    "h": 272.2
  },
  "luminance": 0.07454
}

Semantic roles & 50–950 ramp

primary

#3331D0

secondary

#D1D28B

accent

#E642E4

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3331D0

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

Preview Lab → · Contrast checker → · Palette generator →