#3343AA#3343AA

#3343AA is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.5% C 0.165 H 271.1°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#3343AA
RGB	rgb(51, 67, 170)
HSL	hsl(232, 54%, 43%)
HSV	hsv(232, 70%, 67%)
CMYK	cmyk(70%, 60.6%, 0%, 33.3%)
CIE-LAB	lab(33.18, 28.89, -57.17)
CIE-LCH	lch(33.18, 64.05, 296.81°)
OKLab	oklab(43.53% 0.0031 -0.1649)
OKLCH	oklch(43.53% 0.165 271.1)
XYZ	xyz(10.6256, 7.6194, 38.9331)
Luminance	0.0762 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3343AA #AA9A33

analogous

#337EAA #3343AA #5E33AA

triadic

#3343AA #AA3343 #43AA33

tetradic

#3343AA #AA337E #AA9A33 #33AA5E

square

#3343AA #AA337E #AA9A33 #33AA5E

split-complementary

#3343AA #AA5E33 #7EAA33

monochromatic

#171E4C #25307B #3343AA #5060CA #7F8BD9

Accessibility & contrast

On white

8.32

#3343AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#3343AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3343AA

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3343AA	#FFFFFF	#000000	##FFFFFF
##3343AA	1.00	8.32	2.52	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AD

Deuteranopia (green-blind)

#0049A8

Tritanopia (blue-blind)

#005D70

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3343aa;
/* rgb */ color: rgb(51, 67, 170);
/* oklch */ color: oklch(43.5% 0.165 271.1);

Tailwind

colors: {
  custom: {
    50: '#7a77c4',
    500: '#3343aa',
    950: '#000000',
  },
}

SCSS

$custom: #3343aa;
$custom-light: #7a77c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3343aa",
  "rgb": {
    "r": 51,
    "g": 67,
    "b": 170
  },
  "hsl": {
    "h": 231.933,
    "s": 53.846,
    "l": 43.333
  },
  "oklch": {
    "l": 0.43525,
    "c": 0.1649,
    "h": 271.1
  },
  "luminance": 0.0762
}

Semantic roles & 50–950 ramp

primary

#3343AA

secondary

#C2B877

accent

#CA4BDD

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #3343AA

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

Preview Lab → · Contrast checker → · Palette generator →