#3331A5#3331A5

#3331A5 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.9% C 0.180 H 275.3°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#3331A5
RGB	rgb(51, 49, 165)
HSL	hsl(241, 54%, 42%)
HSV	hsv(241, 70%, 65%)
CMYK	cmyk(69.1%, 70.3%, 0%, 35.3%)
CIE-LAB	lab(28.42, 38.53, -61.94)
CIE-LCH	lch(28.42, 72.95, 301.88°)
OKLab	oklab(39.92% 0.0166 -0.179)
OKLCH	oklch(39.92% 0.18 275.3)
XYZ	xyz(9.2528, 5.6162, 36.1864)
Luminance	0.0562 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3331A5 #A3A531

analogous

#3169A5 #3331A5 #6D31A5

triadic

#3331A5 #A53331 #31A533

tetradic

#3331A5 #A53169 #A3A531 #31A56D

square

#3331A5 #A53169 #A3A531 #31A56D

split-complementary

#3331A5 #A56D31 #69A531

monochromatic

#161547 #242376 #3331A5 #4C4AC9 #7B79D7

Accessibility & contrast

On white

9.89

#3331A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#3331A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3331A5

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3331A5	#FFFFFF	#000000	##FFFFFF
##3331A5	1.00	9.89	2.12	9.89
#FFFFFF	9.89	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A9

Deuteranopia (green-blind)

#003EA3

Tritanopia (blue-blind)

#005167

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3331a5;
/* rgb */ color: rgb(51, 49, 165);
/* oklch */ color: oklch(39.9% 0.180 275.3);

Tailwind

colors: {
  custom: {
    50: '#7b6ac1',
    500: '#3331a5',
    950: '#000000',
  },
}

SCSS

$custom: #3331a5;
$custom-light: #7b6ac1;
$custom-dark: #000000;

JSON

{
  "hex": "#3331a5",
  "rgb": {
    "r": 51,
    "g": 49,
    "b": 165
  },
  "hsl": {
    "h": 241.034,
    "s": 54.206,
    "l": 41.961
  },
  "oklch": {
    "l": 0.39915,
    "c": 0.17973,
    "h": 275.3
  },
  "luminance": 0.05617
}

Semantic roles & 50–950 ramp

primary

#3331A5

secondary

#BEC072

accent

#DE4ADB

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3331A5

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

Preview Lab → · Contrast checker → · Palette generator →