#3331A3#3331A3

#3331A3 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.7% C 0.177 H 275.5°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#3331A3
RGB	rgb(51, 49, 163)
HSL	hsl(241, 54%, 42%)
HSV	hsv(241, 70%, 64%)
CMYK	cmyk(68.7%, 69.9%, 0%, 36.1%)
CIE-LAB	lab(28.23, 37.85, -61.05)
CIE-LCH	lch(28.23, 71.83, 301.80°)
OKLab	oklab(39.72% 0.0169 -0.1763)
OKLCH	oklch(39.72% 0.177 275.5)
XYZ	xyz(9.0722, 5.5440, 35.2352)
Luminance	0.0554 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3331A3 #A1A331

analogous

#3168A3 #3331A3 #6C31A3

triadic

#3331A3 #A33331 #31A333

tetradic

#3331A3 #A33168 #A1A331 #31A36C

square

#3331A3 #A33168 #A1A331 #31A36C

split-complementary

#3331A3 #A36C31 #68A331

monochromatic

#161545 #242374 #3331A3 #4B49C8 #7A78D6

Accessibility & contrast

On white

9.96

#3331A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#3331A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3331A3

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3331A3	#FFFFFF	#000000	##FFFFFF
##3331A3	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A6

Deuteranopia (green-blind)

#003DA1

Tritanopia (blue-blind)

#005066

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3331a3;
/* rgb */ color: rgb(51, 49, 163);
/* oklch */ color: oklch(39.7% 0.177 275.5);

Tailwind

colors: {
  custom: {
    50: '#7a6abf',
    500: '#3331a3',
    950: '#000000',
  },
}

SCSS

$custom: #3331a3;
$custom-light: #7a6abf;
$custom-dark: #000000;

JSON

{
  "hex": "#3331a3",
  "rgb": {
    "r": 51,
    "g": 49,
    "b": 163
  },
  "hsl": {
    "h": 241.053,
    "s": 53.774,
    "l": 41.569
  },
  "oklch": {
    "l": 0.39719,
    "c": 0.17716,
    "h": 275.5
  },
  "luminance": 0.05545
}

Semantic roles & 50–950 ramp

primary

#3331A3

secondary

#BDBF71

accent

#DD4BDB

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3331A3

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

Preview Lab → · Contrast checker → · Palette generator →