#343ABC#343ABC

#343ABC is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.7% C 0.199 H 272.6°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#343ABC
RGB	rgb(52, 58, 188)
HSL	hsl(237, 57%, 47%)
HSV	hsv(237, 72%, 74%)
CMYK	cmyk(72.3%, 69.1%, 0%, 26.3%)
CIE-LAB	lab(32.67, 41.07, -68.68)
CIE-LCH	lch(32.67, 80.03, 300.88°)
OKLab	oklab(43.66% 0.0091 -0.1986)
OKLCH	oklch(43.66% 0.199 272.6)
XYZ	xyz(12.0033, 7.3858, 48.3602)
Luminance	0.0739 (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

#343ABC #BCB634

analogous

#347EBC #343ABC #7234BC

triadic

#343ABC #BC343A #3ABC34

tetradic

#343ABC #BC347E #BCB634 #34BC72

square

#343ABC #BC347E #BCB634 #34BC72

split-complementary

#343ABC #BC7234 #7EBC34

monochromatic

#191C5C #272B8C #343ABC #5B61D2 #8B8FDF

Accessibility & contrast

On white

8.48

#343ABC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#343ABC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343ABC

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343ABC	#FFFFFF	#000000	##FFFFFF
##343ABC	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C0

Deuteranopia (green-blind)

#0046BA

Tritanopia (blue-blind)

#005E76

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #343abc;
/* rgb */ color: rgb(52, 58, 188);
/* oklch */ color: oklch(43.7% 0.199 272.6);

Tailwind

colors: {
  custom: {
    50: '#7f71d1',
    500: '#343abc',
    950: '#000000',
  },
}

SCSS

$custom: #343abc;
$custom-light: #7f71d1;
$custom-dark: #000000;

JSON

{
  "hex": "#343abc",
  "rgb": {
    "r": 52,
    "g": 58,
    "b": 188
  },
  "hsl": {
    "h": 237.353,
    "s": 56.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.43656,
    "c": 0.19883,
    "h": 272.6
  },
  "luminance": 0.07387
}

Semantic roles & 50–950 ramp

primary

#343ABC

secondary

#C9C683

accent

#D948E0

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #343ABC

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

Preview Lab → · Contrast checker → · Palette generator →