#343EC7#343EC7

#343EC7 is a mid, highly saturated blue. Relative luminance 0.083; OKLCH L 45.4% C 0.208 H 271.5°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#343EC7
RGB	rgb(52, 62, 199)
HSL	hsl(236, 59%, 49%)
HSV	hsv(236, 74%, 78%)
CMYK	cmyk(73.9%, 68.8%, 0%, 22%)
CIE-LAB	lab(34.59, 42.44, -71.97)
CIE-LCH	lch(34.59, 83.55, 300.53°)
OKLab	oklab(45.36% 0.0056 -0.2082)
OKLCH	oklch(45.36% 0.208 271.5)
XYZ	xyz(13.4441, 8.2974, 54.9148)
Luminance	0.0830 (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

#343EC7 #C7BD34

analogous

#3488C7 #343EC7 #7334C7

triadic

#343EC7 #C7343E #3EC734

tetradic

#343EC7 #C73488 #C7BD34 #34C773

square

#343EC7 #C73488 #C7BD34 #34C773

split-complementary

#343EC7 #C77334 #88C734

monochromatic

#1B2066 #272F96 #343EC7 #626AD6 #9398E3

Accessibility & contrast

On white

7.90

#343EC7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#343EC7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343EC7

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343EC7	#FFFFFF	#000000	##FFFFFF
##343EC7	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058CB

Deuteranopia (green-blind)

#004AC4

Tritanopia (blue-blind)

#00647E

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #343ec7;
/* rgb */ color: rgb(52, 62, 199);
/* oklch */ color: oklch(45.4% 0.208 271.5);

Tailwind

colors: {
  custom: {
    50: '#8274d9',
    500: '#343ec7',
    950: '#000000',
  },
}

SCSS

$custom: #343ec7;
$custom-light: #8274d9;
$custom-dark: #000000;

JSON

{
  "hex": "#343ec7",
  "rgb": {
    "r": 52,
    "g": 62,
    "b": 199
  },
  "hsl": {
    "h": 235.918,
    "s": 58.566,
    "l": 49.216
  },
  "oklch": {
    "l": 0.45362,
    "c": 0.20828,
    "h": 271.5
  },
  "luminance": 0.08299
}

Semantic roles & 50–950 ramp

primary

#343EC7

secondary

#CEC989

accent

#D746E2

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #343EC7

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

Preview Lab → · Contrast checker → · Palette generator →