#3340AC#3340AC

#3340AC is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.1% C 0.171 H 271.8°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#3340AC
RGB	rgb(51, 64, 172)
HSL	hsl(234, 54%, 44%)
HSV	hsv(234, 70%, 67%)
CMYK	cmyk(70.3%, 62.8%, 0%, 32.5%)
CIE-LAB	lab(32.59, 31.57, -59.33)
CIE-LCH	lch(32.59, 67.20, 298.02°)
OKLab	oklab(43.14% 0.0053 -0.1712)
OKLCH	oklch(43.14% 0.171 271.8)
XYZ	xyz(10.6425, 7.3481, 39.8792)
Luminance	0.0735 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.25

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3340AC #AC9F33

analogous

#337CAC #3340AC #6233AC

triadic

#3340AC #AC3340 #40AC33

tetradic

#3340AC #AC337C #AC9F33 #33AC62

square

#3340AC #AC337C #AC9F33 #33AC62

split-complementary

#3340AC #AC6233 #7CAC33

monochromatic

#171D4E #252E7D #3340AC #515ECB #808AD9

Accessibility & contrast

On white

8.50

#3340AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#3340AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3340AC

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3340AC	#FFFFFF	#000000	##FFFFFF
##3340AC	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052AF

Deuteranopia (green-blind)

#0047AA

Tritanopia (blue-blind)

#005C70

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3340ac;
/* rgb */ color: rgb(51, 64, 172);
/* oklch */ color: oklch(43.1% 0.171 271.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3340ac",
  "rgb": {
    "r": 51,
    "g": 64,
    "b": 172
  },
  "hsl": {
    "h": 233.554,
    "s": 54.26,
    "l": 43.725
  },
  "oklch": {
    "l": 0.43141,
    "c": 0.17131,
    "h": 271.8
  },
  "luminance": 0.07349
}

Semantic roles & 50–950 ramp

primary

#3340AC

secondary

#C2BB78

accent

#CE4ADE

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3340AC

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

Preview Lab → · Contrast checker → · Palette generator →