#343DC5#343DC5

#343DC5 is a mid, highly saturated blue. Relative luminance 0.081; OKLCH L 45.0% C 0.207 H 271.8°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#343DC5
RGB	rgb(52, 61, 197)
HSL	hsl(236, 58%, 49%)
HSV	hsv(236, 74%, 77%)
CMYK	cmyk(73.6%, 69%, 0%, 22.7%)
CIE-LAB	lab(34.18, 42.35, -71.47)
CIE-LCH	lch(34.18, 83.08, 300.65°)
OKLab	oklab(45.01% 0.0064 -0.2068)
OKLCH	oklch(45.01% 0.207 271.8)
XYZ	xyz(13.1596, 8.0974, 53.6819)
Luminance	0.0810 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 2.24

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343DC5 #C5BC34

analogous

#3486C5 #343DC5 #7434C5

triadic

#343DC5 #C5343D #3DC534

tetradic

#343DC5 #C53486 #C5BC34 #34C574

square

#343DC5 #C53486 #C5BC34 #34C574

split-complementary

#343DC5 #C57434 #86C534

monochromatic

#1A1F64 #272E95 #343DC5 #6168D5 #9196E2

Accessibility & contrast

On white

8.02

#343DC5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#343DC5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343DC5

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343DC5	#FFFFFF	#000000	##FFFFFF
##343DC5	1.00	8.02	2.62	8.02
#FFFFFF	8.02	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C9

Deuteranopia (green-blind)

#0049C2

Tritanopia (blue-blind)

#00627C

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #343dc5;
/* rgb */ color: rgb(52, 61, 197);
/* oklch */ color: oklch(45.0% 0.207 271.8);

Tailwind

colors: {
  custom: {
    50: '#8173d8',
    500: '#343dc5',
    950: '#000000',
  },
}

SCSS

$custom: #343dc5;
$custom-light: #8173d8;
$custom-dark: #000000;

JSON

{
  "hex": "#343dc5",
  "rgb": {
    "r": 52,
    "g": 61,
    "b": 197
  },
  "hsl": {
    "h": 236.276,
    "s": 58.233,
    "l": 48.824
  },
  "oklch": {
    "l": 0.45008,
    "c": 0.20687,
    "h": 271.8
  },
  "luminance": 0.08099
}

Semantic roles & 50–950 ramp

primary

#343DC5

secondary

#CDC988

accent

#D846E1

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #343DC5

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

Preview Lab → · Contrast checker → · Palette generator →