#343FC3#343FC3

#343FC3 is a mid, highly saturated blue. Relative luminance 0.082; OKLCH L 45.1% C 0.202 H 271.5°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#343FC3
RGB	rgb(52, 63, 195)
HSL	hsl(235, 58%, 48%)
HSV	hsv(235, 73%, 76%)
CMYK	cmyk(73.3%, 67.7%, 0%, 23.5%)
CIE-LAB	lab(34.44, 40.45, -69.88)
CIE-LCH	lch(34.44, 80.74, 300.07°)
OKLab	oklab(45.14% 0.0054 -0.2021)
OKLCH	oklch(45.14% 0.202 271.5)
XYZ	xyz(13.0407, 8.2239, 52.5193)
Luminance	0.0823 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343FC3 #C3B834

analogous

#3486C3 #343FC3 #7134C3

triadic

#343FC3 #C3343F #3FC334

tetradic

#343FC3 #C33486 #C3B834 #34C371

square

#343FC3 #C33486 #C3B834 #34C371

split-complementary

#343FC3 #C37134 #86C334

monochromatic

#1A2062 #272F93 #343FC3 #6069D5 #9096E1

Accessibility & contrast

On white

7.94

#343FC3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#343FC3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343FC3

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343FC3	#FFFFFF	#000000	##FFFFFF
##343FC3	1.00	7.94	2.65	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C7

Deuteranopia (green-blind)

#004AC1

Tritanopia (blue-blind)

#00637C

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #343fc3;
/* rgb */ color: rgb(52, 63, 195);
/* oklch */ color: oklch(45.1% 0.202 271.5);

Tailwind

colors: {
  custom: {
    50: '#8174d6',
    500: '#343fc3',
    950: '#000000',
  },
}

SCSS

$custom: #343fc3;
$custom-light: #8174d6;
$custom-dark: #000000;

JSON

{
  "hex": "#343fc3",
  "rgb": {
    "r": 52,
    "g": 63,
    "b": 195
  },
  "hsl": {
    "h": 235.385,
    "s": 57.895,
    "l": 48.431
  },
  "oklch": {
    "l": 0.4514,
    "c": 0.20218,
    "h": 271.5
  },
  "luminance": 0.08225
}

Semantic roles & 50–950 ramp

primary

#343FC3

secondary

#CCC787

accent

#D547E1

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #343FC3

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

Preview Lab → · Contrast checker → · Palette generator →