#3331A4#3331A4

#3331A4 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.8% C 0.178 H 275.4°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#3331A4
RGB	rgb(51, 49, 164)
HSL	hsl(241, 54%, 42%)
HSV	hsv(241, 70%, 64%)
CMYK	cmyk(68.9%, 70.1%, 0%, 35.7%)
CIE-LAB	lab(28.33, 38.19, -61.50)
CIE-LCH	lch(28.33, 72.39, 301.84°)
OKLab	oklab(39.82% 0.0168 -0.1777)
OKLCH	oklch(39.82% 0.178 275.4)
XYZ	xyz(9.1622, 5.5799, 35.7090)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3331A4 #A2A431

analogous

#3169A4 #3331A4 #6C31A4

triadic

#3331A4 #A43331 #31A433

tetradic

#3331A4 #A43169 #A2A431 #31A46C

square

#3331A4 #A43169 #A2A431 #31A46C

split-complementary

#3331A4 #A46C31 #69A431

monochromatic

#161546 #242375 #3331A4 #4C49C9 #7A79D7

Accessibility & contrast

On white

9.92

#3331A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#3331A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3331A4

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3331A4	#FFFFFF	#000000	##FFFFFF
##3331A4	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A7

Deuteranopia (green-blind)

#003EA2

Tritanopia (blue-blind)

#005066

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3331a4;
/* rgb */ color: rgb(51, 49, 164);
/* oklch */ color: oklch(39.8% 0.178 275.4);

Tailwind

colors: {
  custom: {
    50: '#7a6ac0',
    500: '#3331a4',
    950: '#000000',
  },
}

SCSS

$custom: #3331a4;
$custom-light: #7a6ac0;
$custom-dark: #000000;

JSON

{
  "hex": "#3331a4",
  "rgb": {
    "r": 51,
    "g": 49,
    "b": 164
  },
  "hsl": {
    "h": 241.043,
    "s": 53.991,
    "l": 41.765
  },
  "oklch": {
    "l": 0.39817,
    "c": 0.17845,
    "h": 275.4
  },
  "luminance": 0.05581
}

Semantic roles & 50–950 ramp

primary

#3331A4

secondary

#BEBF72

accent

#DD4ADB

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3331A4

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

Preview Lab → · Contrast checker → · Palette generator →