#3331CC#3331CC

#3331CC is a dark, highly saturated blue. Relative luminance 0.073; OKLCH L 43.9% C 0.227 H 272.5°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#3331CC
RGB	rgb(51, 49, 204)
HSL	hsl(241, 61%, 50%)
HSV	hsv(241, 76%, 80%)
CMYK	cmyk(75%, 76%, 0%, 20%)
CIE-LAB	lab(32.39, 51.39, -78.52)
CIE-LCH	lch(32.39, 93.85, 303.20°)
OKLab	oklab(43.92% 0.0098 -0.2273)
OKLCH	oklch(43.92% 0.227 272.5)
XYZ	xyz(13.3590, 7.2587, 57.8120)
Luminance	0.0726 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 4.10

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3331CC #CACC31

analogous

#317DCC #3331CC #8031CC

triadic

#3331CC #CC3331 #31CC33

tetradic

#3331CC #CC317D #CACC31 #31CC80

square

#3331CC #CC317D #CACC31 #31CC80

split-complementary

#3331CC #CC8031 #7DCC31

monochromatic

#1A1969 #27259B #3331CC #6361D9 #9492E5

Accessibility & contrast

On white

8.56

#3331CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#3331CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3331CC

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3331CC	#FFFFFF	#000000	##FFFFFF
##3331CC	1.00	8.56	2.45	8.56
#FFFFFF	8.56	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054D0

Deuteranopia (green-blind)

#0044C9

Tritanopia (blue-blind)

#005F7D

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3331cc;
/* rgb */ color: rgb(51, 49, 204);
/* oklch */ color: oklch(43.9% 0.227 272.5);

Tailwind

colors: {
  custom: {
    50: '#846cdd',
    500: '#3331cc',
    950: '#000000',
  },
}

SCSS

$custom: #3331cc;
$custom-light: #846cdd;
$custom-dark: #000000;

JSON

{
  "hex": "#3331cc",
  "rgb": {
    "r": 51,
    "g": 49,
    "b": 204
  },
  "hsl": {
    "h": 240.774,
    "s": 61.265,
    "l": 49.608
  },
  "oklch": {
    "l": 0.43921,
    "c": 0.22747,
    "h": 272.5
  },
  "luminance": 0.0726
}

Semantic roles & 50–950 ramp

primary

#3331CC

secondary

#CFD089

accent

#E443E2

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3331CC

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

Preview Lab → · Contrast checker → · Palette generator →