#3343B5#3343B5

#3343B5 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.5% C 0.180 H 270.9°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#3343B5
RGB	rgb(51, 67, 181)
HSL	hsl(233, 56%, 45%)
HSV	hsv(233, 72%, 71%)
CMYK	cmyk(71.8%, 63%, 0%, 29%)
CIE-LAB	lab(34.09, 32.88, -62.21)
CIE-LCH	lch(34.09, 70.37, 297.85°)
OKLab	oklab(44.49% 0.0028 -0.1797)
OKLCH	oklch(44.49% 0.18 270.9)
XYZ	xyz(11.7100, 8.0531, 44.6444)
Luminance	0.0805 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3343B5 #B5A533

analogous

#3384B5 #3343B5 #6433B5

triadic

#3343B5 #B53343 #43B533

tetradic

#3343B5 #B53384 #B5A533 #33B564

square

#3343B5 #B53384 #B5A533 #33B564

split-complementary

#3343B5 #B56433 #84B533

monochromatic

#182056 #263185 #3343B5 #5665CF #8690DD

Accessibility & contrast

On white

8.04

#3343B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3343B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3343B5

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3343B5	#FFFFFF	#000000	##FFFFFF
##3343B5	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B9

Deuteranopia (green-blind)

#004AB3

Tritanopia (blue-blind)

#006075

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3343b5;
/* rgb */ color: rgb(51, 67, 181);
/* oklch */ color: oklch(44.5% 0.180 270.9);

Tailwind

colors: {
  custom: {
    50: '#7d77cc',
    500: '#3343b5',
    950: '#000000',
  },
}

SCSS

$custom: #3343b5;
$custom-light: #7d77cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3343b5",
  "rgb": {
    "r": 51,
    "g": 67,
    "b": 181
  },
  "hsl": {
    "h": 232.615,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.44487,
    "c": 0.1797,
    "h": 270.9
  },
  "luminance": 0.08054
}

Semantic roles & 50–950 ramp

primary

#3343B5

secondary

#C6BD7D

accent

#CD48DF

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3343B5

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

Preview Lab → · Contrast checker → · Palette generator →