#343CA2#343CA2

#343CA2 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.6% C 0.162 H 273.5°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#343CA2
RGB	rgb(52, 60, 162)
HSL	hsl(236, 51%, 42%)
HSV	hsv(236, 68%, 64%)
CMYK	cmyk(67.9%, 63%, 0%, 36.5%)
CIE-LAB	lab(30.81, 30.71, -56.23)
CIE-LCH	lch(30.81, 64.07, 298.64°)
OKLab	oklab(41.58% 0.01 -0.1621)
OKLCH	oklch(41.58% 0.162 273.5)
XYZ	xyz(9.5514, 6.5695, 34.9401)
Luminance	0.0657 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343CA2 #A29A34

analogous

#3473A2 #343CA2 #6334A2

triadic

#343CA2 #A2343C #3CA234

tetradic

#343CA2 #A23473 #A29A34 #34A263

square

#343CA2 #A23473 #A29A34 #34A263

split-complementary

#343CA2 #A26334 #73A234

monochromatic

#161A45 #252B74 #343CA2 #4D56C6 #7C82D5

Accessibility & contrast

On white

9.08

#343CA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#343CA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343CA2

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343CA2	#FFFFFF	#000000	##FFFFFF
##343CA2	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA5

Deuteranopia (green-blind)

#0044A0

Tritanopia (blue-blind)

#005669

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #343ca2;
/* rgb */ color: rgb(52, 60, 162);
/* oklch */ color: oklch(41.6% 0.162 273.5);

Tailwind

colors: {
  custom: {
    50: '#7a72be',
    500: '#343ca2',
    950: '#000000',
  },
}

SCSS

$custom: #343ca2;
$custom-light: #7a72be;
$custom-dark: #000000;

JSON

{
  "hex": "#343ca2",
  "rgb": {
    "r": 52,
    "g": 60,
    "b": 162
  },
  "hsl": {
    "h": 235.636,
    "s": 51.402,
    "l": 41.961
  },
  "oklch": {
    "l": 0.41583,
    "c": 0.16245,
    "h": 273.5
  },
  "luminance": 0.0657
}

Semantic roles & 50–950 ramp

primary

#343CA2

secondary

#BEB874

accent

#D14DDB

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #343CA2

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

Preview Lab → · Contrast checker → · Palette generator →