#3340A4#3340A4

#3340A4 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.4% C 0.160 H 272.0°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#3340A4
RGB	rgb(51, 64, 164)
HSL	hsl(233, 53%, 42%)
HSV	hsv(233, 69%, 64%)
CMYK	cmyk(68.9%, 61%, 0%, 35.7%)
CIE-LAB	lab(31.92, 28.68, -55.62)
CIE-LCH	lch(31.92, 62.57, 297.28°)
OKLab	oklab(42.44% 0.0056 -0.1603)
OKLCH	oklch(42.44% 0.16 272)
XYZ	xyz(9.8972, 7.0500, 35.9540)
Luminance	0.0705 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3340A4 #A49733

analogous

#3379A4 #3340A4 #5E33A4

triadic

#3340A4 #A43340 #40A433

tetradic

#3340A4 #A43379 #A49733 #33A45E

square

#3340A4 #A43379 #A49733 #33A45E

split-complementary

#3340A4 #A45E33 #79A433

monochromatic

#161C47 #242E75 #3340A4 #4D5BC8 #7B86D6

Accessibility & contrast

On white

8.71

#3340A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#3340A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3340A4

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3340A4	#FFFFFF	#000000	##FFFFFF
##3340A4	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A7

Deuteranopia (green-blind)

#0046A2

Tritanopia (blue-blind)

#00596B

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3340a4;
/* rgb */ color: rgb(51, 64, 164);
/* oklch */ color: oklch(42.4% 0.160 272.0);

Tailwind

colors: {
  custom: {
    50: '#7974c0',
    500: '#3340a4',
    950: '#000000',
  },
}

SCSS

$custom: #3340a4;
$custom-light: #7974c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3340a4",
  "rgb": {
    "r": 51,
    "g": 64,
    "b": 164
  },
  "hsl": {
    "h": 233.097,
    "s": 52.558,
    "l": 42.157
  },
  "oklch": {
    "l": 0.42441,
    "c": 0.16044,
    "h": 272
  },
  "luminance": 0.07051
}

Semantic roles & 50–950 ramp

primary

#3340A4

secondary

#BFB674

accent

#CB4CDC

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3340A4

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

Preview Lab → · Contrast checker → · Palette generator →