#343BC2#343BC2

#343BC2 is a dark, highly saturated blue. Relative luminance 0.078; OKLCH L 44.4% C 0.205 H 272.2°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#343BC2
RGB	rgb(52, 59, 194)
HSL	hsl(237, 58%, 48%)
HSV	hsv(237, 73%, 76%)
CMYK	cmyk(73.2%, 69.6%, 0%, 23.9%)
CIE-LAB	lab(33.46, 42.52, -70.91)
CIE-LCH	lch(33.46, 82.68, 300.95°)
OKLab	oklab(44.4% 0.0078 -0.2051)
OKLCH	oklch(44.4% 0.205 272.2)
XYZ	xyz(12.7145, 7.7517, 51.8546)
Luminance	0.0775 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 2.70

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343BC2 #C2BB34

analogous

#3482C2 #343BC2 #7434C2

triadic

#343BC2 #C2343B #3BC234

tetradic

#343BC2 #C23482 #C2BB34 #34C274

square

#343BC2 #C23482 #C2BB34 #34C274

split-complementary

#343BC2 #C27434 #82C234

monochromatic

#1A1E61 #272C92 #343BC2 #5F65D4 #8F93E1

Accessibility & contrast

On white

8.23

#343BC2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#343BC2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343BC2

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343BC2	#FFFFFF	#000000	##FFFFFF
##343BC2	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C6

Deuteranopia (green-blind)

#0048C0

Tritanopia (blue-blind)

#00607A

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #343bc2;
/* rgb */ color: rgb(52, 59, 194);
/* oklch */ color: oklch(44.4% 0.205 272.2);

Tailwind

colors: {
  custom: {
    50: '#8172d6',
    500: '#343bc2',
    950: '#000000',
  },
}

SCSS

$custom: #343bc2;
$custom-light: #8172d6;
$custom-dark: #000000;

JSON

{
  "hex": "#343bc2",
  "rgb": {
    "r": 52,
    "g": 59,
    "b": 194
  },
  "hsl": {
    "h": 237.042,
    "s": 57.724,
    "l": 48.235
  },
  "oklch": {
    "l": 0.44399,
    "c": 0.20528,
    "h": 272.2
  },
  "luminance": 0.07753
}

Semantic roles & 50–950 ramp

primary

#343BC2

secondary

#CCC886

accent

#D947E1

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #343BC2

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

Preview Lab → · Contrast checker → · Palette generator →