#343ACD#343ACD

#343ACD is a mid, highly saturated blue. Relative luminance 0.082; OKLCH L 45.3% C 0.220 H 271.8°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#343ACD
RGB	rgb(52, 58, 205)
HSL	hsl(238, 60%, 50%)
HSV	hsv(238, 75%, 80%)
CMYK	cmyk(74.6%, 71.7%, 0%, 19.6%)
CIE-LAB	lab(34.32, 46.82, -75.91)
CIE-LCH	lch(34.32, 89.19, 301.66°)
OKLab	oklab(45.34% 0.0068 -0.2197)
OKLCH	oklch(45.34% 0.22 271.8)
XYZ	xyz(13.9450, 8.1625, 58.5864)
Luminance	0.0816 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.10

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343ACD #CDC734

analogous

#3486CD #343ACD #7A34CD

triadic

#343ACD #CD343A #3ACD34

tetradic

#343ACD #CD3486 #CDC734 #34CD7A

square

#343ACD #CD3486 #CDC734 #34CD7A

split-complementary

#343ACD #CD7A34 #86CD34

monochromatic

#1B1E6C #272B9D #343ACD #656AD9 #9699E5

Accessibility & contrast

On white

7.98

#343ACD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#343ACD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343ACD

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343ACD	#FFFFFF	#000000	##FFFFFF
##343ACD	1.00	7.98	2.63	7.98
#FFFFFF	7.98	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058D1

Deuteranopia (green-blind)

#0049CA

Tritanopia (blue-blind)

#006480

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #343acd;
/* rgb */ color: rgb(52, 58, 205);
/* oklch */ color: oklch(45.3% 0.220 271.8);

Tailwind

colors: {
  custom: {
    50: '#8371de',
    500: '#343acd',
    950: '#000000',
  },
}

SCSS

$custom: #343acd;
$custom-light: #8371de;
$custom-dark: #000000;

JSON

{
  "hex": "#343acd",
  "rgb": {
    "r": 52,
    "g": 58,
    "b": 205
  },
  "hsl": {
    "h": 237.647,
    "s": 60.474,
    "l": 50.392
  },
  "oklch": {
    "l": 0.45338,
    "c": 0.21983,
    "h": 271.8
  },
  "luminance": 0.08164
}

Semantic roles & 50–950 ramp

primary

#343ACD

secondary

#D1CE8C

accent

#DD44E4

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0D0815

muted

#7D7B83

Preview Lab

Preview with #343ACD

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

Preview Lab → · Contrast checker → · Palette generator →