#343EC5#343EC5

#343EC5 is a mid, highly saturated blue. Relative luminance 0.082; OKLCH L 45.2% C 0.206 H 271.6°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#343EC5
RGB	rgb(52, 62, 197)
HSL	hsl(236, 58%, 49%)
HSV	hsv(236, 74%, 77%)
CMYK	cmyk(73.6%, 68.5%, 0%, 22.7%)
CIE-LAB	lab(34.41, 41.75, -71.11)
CIE-LCH	lch(34.41, 82.46, 300.42°)
OKLab	oklab(45.17% 0.0058 -0.2057)
OKLCH	oklch(45.17% 0.206 271.6)
XYZ	xyz(13.2134, 8.2052, 53.6999)
Luminance	0.0821 (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

#343EC5 #C5BB34

analogous

#3487C5 #343EC5 #7334C5

triadic

#343EC5 #C5343E #3EC534

tetradic

#343EC5 #C53487 #C5BB34 #34C573

square

#343EC5 #C53487 #C5BB34 #34C573

split-complementary

#343EC5 #C57334 #87C534

monochromatic

#1A2064 #272F95 #343EC5 #6169D5 #9197E2

Accessibility & contrast

On white

7.95

#343EC5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#343EC5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343EC5

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343EC5	#FFFFFF	#000000	##FFFFFF
##343EC5	1.00	7.95	2.64	7.95
#FFFFFF	7.95	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C9

Deuteranopia (green-blind)

#004AC3

Tritanopia (blue-blind)

#00637C

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #343ec5;
/* rgb */ color: rgb(52, 62, 197);
/* oklch */ color: oklch(45.2% 0.206 271.6);

Tailwind

colors: {
  custom: {
    50: '#8174d8',
    500: '#343ec5',
    950: '#000000',
  },
}

SCSS

$custom: #343ec5;
$custom-light: #8174d8;
$custom-dark: #000000;

JSON

{
  "hex": "#343ec5",
  "rgb": {
    "r": 52,
    "g": 62,
    "b": 197
  },
  "hsl": {
    "h": 235.862,
    "s": 58.233,
    "l": 48.824
  },
  "oklch": {
    "l": 0.45168,
    "c": 0.20579,
    "h": 271.6
  },
  "luminance": 0.08207
}

Semantic roles & 50–950 ramp

primary

#343EC5

secondary

#CDC888

accent

#D746E1

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #343EC5

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

Preview Lab → · Contrast checker → · Palette generator →