#3331AF#3331AF

#3331AF is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.9% C 0.192 H 274.5°. Best body text is #FFFFFF at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#3331AF
RGB	rgb(51, 49, 175)
HSL	hsl(241, 56%, 44%)
HSV	hsv(241, 72%, 69%)
CMYK	cmyk(70.9%, 72%, 0%, 31.4%)
CIE-LAB	lab(29.40, 41.91, -66.35)
CIE-LCH	lch(29.40, 78.48, 302.28°)
OKLab	oklab(40.91% 0.015 -0.1918)
OKLCH	oklch(40.91% 0.192 274.5)
XYZ	xyz(10.1989, 5.9946, 41.1687)
Luminance	0.0600 (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

#3331AF #ADAF31

analogous

#316EAF #3331AF #7231AF

triadic

#3331AF #AF3331 #31AF33

tetradic

#3331AF #AF316E #ADAF31 #31AF72

square

#3331AF #AF316E #ADAF31 #31AF72

split-complementary

#3331AF #AF7231 #6EAF31

monochromatic

#17164F #25247F #3331AF #514FCE #817FDB

Accessibility & contrast

On white

9.55

#3331AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#3331AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3331AF

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3331AF	#FFFFFF	#000000	##FFFFFF
##3331AF	1.00	9.55	2.20	9.55
#FFFFFF	9.55	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB3

Deuteranopia (green-blind)

#003FAD

Tritanopia (blue-blind)

#00546D

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3331af;
/* rgb */ color: rgb(51, 49, 175);
/* oklch */ color: oklch(40.9% 0.192 274.5);

Tailwind

colors: {
  custom: {
    50: '#7d6ac8',
    500: '#3331af',
    950: '#000000',
  },
}

SCSS

$custom: #3331af;
$custom-light: #7d6ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#3331af",
  "rgb": {
    "r": 51,
    "g": 49,
    "b": 175
  },
  "hsl": {
    "h": 240.952,
    "s": 56.25,
    "l": 43.922
  },
  "oklch": {
    "l": 0.4091,
    "c": 0.19241,
    "h": 274.5
  },
  "luminance": 0.05996
}

Semantic roles & 50–950 ramp

primary

#3331AF

secondary

#C3C478

accent

#E048DD

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3331AF

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

Preview Lab → · Contrast checker → · Palette generator →