#343EA2#343EA2

#343EA2 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.0% C 0.160 H 273.0°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#343EA2
RGB	rgb(52, 62, 162)
HSL	hsl(235, 51%, 42%)
HSV	hsv(235, 68%, 64%)
CMYK	cmyk(67.9%, 61.7%, 0%, 36.5%)
CIE-LAB	lab(31.31, 29.41, -55.41)
CIE-LCH	lch(31.31, 62.73, 297.96°)
OKLab	oklab(41.95% 0.0084 -0.1597)
OKLCH	oklch(41.95% 0.16 273)
XYZ	xyz(9.6582, 6.7831, 34.9757)
Luminance	0.0678 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343EA2 #A29834

analogous

#3475A2 #343EA2 #6134A2

triadic

#343EA2 #A2343E #3EA234

tetradic

#343EA2 #A23475 #A29834 #34A261

square

#343EA2 #A23475 #A29834 #34A261

split-complementary

#343EA2 #A26134 #75A234

monochromatic

#161B45 #252C74 #343EA2 #4D58C6 #7C84D5

Accessibility & contrast

On white

8.91

#343EA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#343EA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343EA2

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343EA2	#FFFFFF	#000000	##FFFFFF
##343EA2	1.00	8.91	2.36	8.91
#FFFFFF	8.91	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA5

Deuteranopia (green-blind)

#0045A0

Tritanopia (blue-blind)

#00576A

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #343ea2;
/* rgb */ color: rgb(52, 62, 162);
/* oklch */ color: oklch(42.0% 0.160 273.0);

Tailwind

colors: {
  custom: {
    50: '#7973be',
    500: '#343ea2',
    950: '#000000',
  },
}

SCSS

$custom: #343ea2;
$custom-light: #7973be;
$custom-dark: #000000;

JSON

{
  "hex": "#343ea2",
  "rgb": {
    "r": 52,
    "g": 62,
    "b": 162
  },
  "hsl": {
    "h": 234.545,
    "s": 51.402,
    "l": 41.961
  },
  "oklch": {
    "l": 0.41953,
    "c": 0.15994,
    "h": 273
  },
  "luminance": 0.06784
}

Semantic roles & 50–950 ramp

primary

#343EA2

secondary

#BEB774

accent

#CE4DDB

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #343EA2

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

Preview Lab → · Contrast checker → · Palette generator →