#3343B8#3343B8

#3343B8 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.8% C 0.184 H 270.8°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#3343B8
RGB	rgb(51, 67, 184)
HSL	hsl(233, 57%, 46%)
HSV	hsv(233, 72%, 72%)
CMYK	cmyk(72.3%, 63.6%, 0%, 27.8%)
CIE-LAB	lab(34.35, 33.95, -63.57)
CIE-LCH	lch(34.35, 72.07, 298.11°)
OKLab	oklab(44.76% 0.0027 -0.1836)
OKLCH	oklch(44.76% 0.184 270.8)
XYZ	xyz(12.0212, 8.1776, 46.2830)
Luminance	0.0818 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.50

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3343B8 #B8A833

analogous

#3385B8 #3343B8 #6533B8

triadic

#3343B8 #B83343 #43B833

tetradic

#3343B8 #B83385 #B8A833 #33B865

square

#3343B8 #B83385 #B8A833 #33B865

split-complementary

#3343B8 #B86533 #85B833

monochromatic

#182058 #263288 #3343B8 #5866D1 #8892DE

Accessibility & contrast

On white

7.97

#3343B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#3343B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3343B8

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3343B8	#FFFFFF	#000000	##FFFFFF
##3343B8	1.00	7.97	2.64	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BC

Deuteranopia (green-blind)

#004BB6

Tritanopia (blue-blind)

#006177

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3343b8;
/* rgb */ color: rgb(51, 67, 184);
/* oklch */ color: oklch(44.8% 0.184 270.8);

Tailwind

colors: {
  custom: {
    50: '#7d77ce',
    500: '#3343b8',
    950: '#000000',
  },
}

SCSS

$custom: #3343b8;
$custom-light: #7d77ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3343b8",
  "rgb": {
    "r": 51,
    "g": 67,
    "b": 184
  },
  "hsl": {
    "h": 232.782,
    "s": 56.596,
    "l": 46.078
  },
  "oklch": {
    "l": 0.44755,
    "c": 0.18367,
    "h": 270.8
  },
  "luminance": 0.08179
}

Semantic roles & 50–950 ramp

primary

#3343B8

secondary

#C8BF7F

accent

#CE48E0

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #3343B8

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

Preview Lab → · Contrast checker → · Palette generator →