#343F94#343F94

#343F94 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.0% C 0.139 H 273.1°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#343F94
RGB	rgb(52, 63, 148)
HSL	hsl(233, 48%, 39%)
HSV	hsv(233, 65%, 58%)
CMYK	cmyk(64.9%, 57.4%, 0%, 42%)
CIE-LAB	lab(30.45, 23.69, -48.29)
CIE-LCH	lch(30.45, 53.79, 296.13°)
OKLab	oklab(40.97% 0.0075 -0.1388)
OKLCH	oklch(40.97% 0.139 273.1)
XYZ	xyz(8.5372, 6.4225, 28.8010)
Luminance	0.0642 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343F94 #948934

analogous

#346F94 #343F94 #593494

triadic

#343F94 #94343F #3F9434

tetradic

#343F94 #94346F #948934 #349459

square

#343F94 #94346F #948934 #349459

split-complementary

#343F94 #945934 #6F9434

monochromatic

#141839 #242C67 #343F94 #4755BE #747ECE

Accessibility & contrast

On white

9.19

#343F94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#343F94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343F94

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343F94	#FFFFFF	#000000	##FFFFFF
##343F94	1.00	9.19	2.28	9.19
#FFFFFF	9.19	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C97

Deuteranopia (green-blind)

#004492

Tritanopia (blue-blind)

#005363

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #343f94;
/* rgb */ color: rgb(52, 63, 148);
/* oklch */ color: oklch(41.0% 0.139 273.1);

Tailwind

colors: {
  custom: {
    50: '#7673b4',
    500: '#343f94',
    950: '#000000',
  },
}

SCSS

$custom: #343f94;
$custom-light: #7673b4;
$custom-dark: #000000;

JSON

{
  "hex": "#343f94",
  "rgb": {
    "r": 52,
    "g": 63,
    "b": 148
  },
  "hsl": {
    "h": 233.125,
    "s": 48,
    "l": 39.216
  },
  "oklch": {
    "l": 0.4097,
    "c": 0.139,
    "h": 273.1
  },
  "luminance": 0.06423
}

Semantic roles & 50–950 ramp

primary

#343F94

secondary

#B7AE6D

accent

#C850D8

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #343F94

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

Preview Lab → · Contrast checker → · Palette generator →