#3340B2#3340B2

#3340B2 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.7% C 0.179 H 271.6°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#3340B2
RGB	rgb(51, 64, 178)
HSL	hsl(234, 55%, 45%)
HSV	hsv(234, 71%, 70%)
CMYK	cmyk(71.3%, 64%, 0%, 30.2%)
CIE-LAB	lab(33.10, 33.72, -62.06)
CIE-LCH	lch(33.10, 70.63, 298.52°)
OKLab	oklab(43.68% 0.0051 -0.1792)
OKLCH	oklch(43.68% 0.179 271.6)
XYZ	xyz(11.2318, 7.5838, 42.9827)
Luminance	0.0759 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.62

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3340B2 #B2A533

analogous

#3380B2 #3340B2 #6533B2

triadic

#3340B2 #B23340 #40B233

tetradic

#3340B2 #B23380 #B2A533 #33B265

square

#3340B2 #B23380 #B2A533 #33B265

split-complementary

#3340B2 #B26533 #80B233

monochromatic

#181E53 #252F82 #3340B2 #5461CE #848DDC

Accessibility & contrast

On white

8.34

#3340B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#3340B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3340B2

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3340B2	#FFFFFF	#000000	##FFFFFF
##3340B2	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B6

Deuteranopia (green-blind)

#0048B0

Tritanopia (blue-blind)

#005E73

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3340b2;
/* rgb */ color: rgb(51, 64, 178);
/* oklch */ color: oklch(43.7% 0.179 271.6);

Tailwind

colors: {
  custom: {
    50: '#7c75ca',
    500: '#3340b2',
    950: '#000000',
  },
}

SCSS

$custom: #3340b2;
$custom-light: #7c75ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3340b2",
  "rgb": {
    "r": 51,
    "g": 64,
    "b": 178
  },
  "hsl": {
    "h": 233.858,
    "s": 55.459,
    "l": 44.902
  },
  "oklch": {
    "l": 0.43678,
    "c": 0.17932,
    "h": 271.6
  },
  "luminance": 0.07585
}

Semantic roles & 50–950 ramp

primary

#3340B2

secondary

#C5BE7C

accent

#CF49DF

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3340B2

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

Preview Lab → · Contrast checker → · Palette generator →