#343CCD#343CCD

#343CCD is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 45.6% C 0.218 H 271.5°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#343CCD
RGB	rgb(52, 60, 205)
HSL	hsl(237, 60%, 50%)
HSV	hsv(237, 75%, 80%)
CMYK	cmyk(74.6%, 70.7%, 0%, 19.6%)
CIE-LAB	lab(34.74, 45.66, -75.22)
CIE-LCH	lch(34.74, 88.00, 301.26°)
OKLab	oklab(45.64% 0.0059 -0.2177)
OKLCH	oklch(45.64% 0.218 271.5)
XYZ	xyz(14.0477, 8.3681, 58.6206)
Luminance	0.0837 (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

#343CCD #CDC534

analogous

#3488CD #343CCD #7934CD

triadic

#343CCD #CD343C #3CCD34

tetradic

#343CCD #CD3488 #CDC534 #34CD79

square

#343CCD #CD3488 #CDC534 #34CD79

split-complementary

#343CCD #CD7934 #88CD34

monochromatic

#1B1F6C #272D9D #343CCD #656BD9 #969AE5

Accessibility & contrast

On white

7.85

#343CCD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#343CCD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343CCD

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343CCD	#FFFFFF	#000000	##FFFFFF
##343CCD	1.00	7.85	2.67	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059D1

Deuteranopia (green-blind)

#004ACA

Tritanopia (blue-blind)

#006580

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #343ccd;
/* rgb */ color: rgb(52, 60, 205);
/* oklch */ color: oklch(45.6% 0.218 271.5);

Tailwind

colors: {
  custom: {
    50: '#8373de',
    500: '#343ccd',
    950: '#000000',
  },
}

SCSS

$custom: #343ccd;
$custom-light: #8373de;
$custom-dark: #000000;

JSON

{
  "hex": "#343ccd",
  "rgb": {
    "r": 52,
    "g": 60,
    "b": 205
  },
  "hsl": {
    "h": 236.863,
    "s": 60.474,
    "l": 50.392
  },
  "oklch": {
    "l": 0.45638,
    "c": 0.21779,
    "h": 271.5
  },
  "luminance": 0.0837
}

Semantic roles & 50–950 ramp

primary

#343CCD

secondary

#D1CD8C

accent

#DB44E4

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0D0815

muted

#7D7B83

Preview Lab

Preview with #343CCD

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

Preview Lab → · Contrast checker → · Palette generator →