#3331C9#3331C9

#3331C9 is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 43.6% C 0.224 H 272.7°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#3331C9
RGB	rgb(51, 49, 201)
HSL	hsl(241, 61%, 49%)
HSV	hsv(241, 76%, 79%)
CMYK	cmyk(74.6%, 75.6%, 0%, 21.2%)
CIE-LAB	lab(32.07, 50.44, -77.30)
CIE-LCH	lch(32.07, 92.30, 303.12°)
OKLab	oklab(43.6% 0.0104 -0.2237)
OKLCH	oklch(43.6% 0.224 272.7)
XYZ	xyz(13.0026, 7.1161, 55.9353)
Luminance	0.0712 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3331C9 #C7C931

analogous

#317BC9 #3331C9 #7F31C9

triadic

#3331C9 #C93331 #31C933

tetradic

#3331C9 #C9317B #C7C931 #31C97F

square

#3331C9 #C9317B #C7C931 #31C97F

split-complementary

#3331C9 #C97F31 #7BC931

monochromatic

#1A1967 #272598 #3331C9 #615FD8 #9190E4

Accessibility & contrast

On white

8.67

#3331C9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#3331C9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3331C9

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3331C9	#FFFFFF	#000000	##FFFFFF
##3331C9	1.00	8.67	2.42	8.67
#FFFFFF	8.67	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053CD

Deuteranopia (green-blind)

#0044C6

Tritanopia (blue-blind)

#005E7B

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3331c9;
/* rgb */ color: rgb(51, 49, 201);
/* oklch */ color: oklch(43.6% 0.224 272.7);

Tailwind

colors: {
  custom: {
    50: '#836cdb',
    500: '#3331c9',
    950: '#000000',
  },
}

SCSS

$custom: #3331c9;
$custom-light: #836cdb;
$custom-dark: #000000;

JSON

{
  "hex": "#3331c9",
  "rgb": {
    "r": 51,
    "g": 49,
    "b": 201
  },
  "hsl": {
    "h": 240.789,
    "s": 60.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.43602,
    "c": 0.22395,
    "h": 272.7
  },
  "luminance": 0.07117
}

Semantic roles & 50–950 ramp

primary

#3331C9

secondary

#CECF87

accent

#E444E2

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0D0715

muted

#7D7A83

Preview Lab

Preview with #3331C9

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

Preview Lab → · Contrast checker → · Palette generator →