#3343B7#3343B7

#3343B7 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.7% C 0.182 H 270.9°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).

Color values

HEX	#3343B7
RGB	rgb(51, 67, 183)
HSL	hsl(233, 56%, 46%)
HSV	hsv(233, 72%, 72%)
CMYK	cmyk(72.1%, 63.4%, 0%, 28.2%)
CIE-LAB	lab(34.26, 33.60, -63.12)
CIE-LCH	lch(34.26, 71.50, 298.02°)
OKLab	oklab(44.67% 0.0027 -0.1823)
OKLCH	oklch(44.67% 0.182 270.9)
XYZ	xyz(11.9167, 8.1358, 45.7329)
Luminance	0.0814 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.58

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3343B7 #B7A733

analogous

#3385B7 #3343B7 #6533B7

triadic

#3343B7 #B73343 #43B733

tetradic

#3343B7 #B73385 #B7A733 #33B765

square

#3343B7 #B73385 #B7A733 #33B765

split-complementary

#3343B7 #B76533 #85B733

monochromatic

#182057 #263187 #3343B7 #5766D0 #8791DE

Accessibility & contrast

On white

7.99

#3343B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#3343B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3343B7

7.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3343B7	#FFFFFF	#000000	##FFFFFF
##3343B7	1.00	7.99	2.63	7.99
#FFFFFF	7.99	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BB

Deuteranopia (green-blind)

#004BB5

Tritanopia (blue-blind)

#006177

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3343b7;
/* rgb */ color: rgb(51, 67, 183);
/* oklch */ color: oklch(44.7% 0.182 270.9);

Tailwind

colors: {
  custom: {
    50: '#7d77ce',
    500: '#3343b7',
    950: '#000000',
  },
}

SCSS

$custom: #3343b7;
$custom-light: #7d77ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3343b7",
  "rgb": {
    "r": 51,
    "g": 67,
    "b": 183
  },
  "hsl": {
    "h": 232.727,
    "s": 56.41,
    "l": 45.882
  },
  "oklch": {
    "l": 0.44665,
    "c": 0.18235,
    "h": 270.9
  },
  "luminance": 0.08137
}

Semantic roles & 50–950 ramp

primary

#3343B7

secondary

#C7BE7F

accent

#CD48E0

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #3343B7

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

Preview Lab → · Contrast checker → · Palette generator →