#3340AD#3340AD

#3340AD is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.2% C 0.173 H 271.8°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#3340AD
RGB	rgb(51, 64, 173)
HSL	hsl(234, 54%, 44%)
HSV	hsv(234, 71%, 68%)
CMYK	cmyk(70.5%, 63%, 0%, 32.2%)
CIE-LAB	lab(32.67, 31.93, -59.78)
CIE-LCH	lch(32.67, 67.78, 298.10°)
OKLab	oklab(43.23% 0.0053 -0.1726)
OKLCH	oklch(43.23% 0.173 271.8)
XYZ	xyz(10.7389, 7.3867, 40.3869)
Luminance	0.0739 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.14

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3340AD #ADA033

analogous

#337DAD #3340AD #6333AD

triadic

#3340AD #AD3340 #40AD33

tetradic

#3340AD #AD337D #ADA033 #33AD63

square

#3340AD #AD337D #ADA033 #33AD63

split-complementary

#3340AD #AD6333 #7DAD33

monochromatic

#171D4E #252F7E #3340AD #515ECC #818ADA

Accessibility & contrast

On white

8.48

#3340AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#3340AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3340AD

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3340AD	#FFFFFF	#000000	##FFFFFF
##3340AD	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B1

Deuteranopia (green-blind)

#0047AB

Tritanopia (blue-blind)

#005C70

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3340ad;
/* rgb */ color: rgb(51, 64, 173);
/* oklch */ color: oklch(43.2% 0.173 271.8);

Tailwind

colors: {
  custom: {
    50: '#7b75c6',
    500: '#3340ad',
    950: '#000000',
  },
}

SCSS

$custom: #3340ad;
$custom-light: #7b75c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3340ad",
  "rgb": {
    "r": 51,
    "g": 64,
    "b": 173
  },
  "hsl": {
    "h": 233.607,
    "s": 54.464,
    "l": 43.922
  },
  "oklch": {
    "l": 0.43229,
    "c": 0.17266,
    "h": 271.8
  },
  "luminance": 0.07388
}

Semantic roles & 50–950 ramp

primary

#3340AD

secondary

#C3BB79

accent

#CE4ADE

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3340AD

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

Preview Lab → · Contrast checker → · Palette generator →