#343B94#343B94

#343B94 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.2% C 0.144 H 274.5°. Best body text is #FFFFFF at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#343B94
RGB	rgb(52, 59, 148)
HSL	hsl(236, 48%, 39%)
HSV	hsv(236, 65%, 58%)
CMYK	cmyk(64.9%, 60.1%, 0%, 42%)
CIE-LAB	lab(29.40, 26.35, -50.00)
CIE-LCH	lch(29.40, 56.52, 297.78°)
OKLab	oklab(40.19% 0.0112 -0.1439)
OKLCH	oklch(40.19% 0.144 274.5)
XYZ	xyz(8.3237, 5.9954, 28.7298)
Luminance	0.0600 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343B94 #948D34

analogous

#346B94 #343B94 #5D3494

triadic

#343B94 #94343B #3B9434

tetradic

#343B94 #94346B #948D34 #34945D

square

#343B94 #94346B #948D34 #34945D

split-complementary

#343B94 #945D34 #6B9434

monochromatic

#141739 #242967 #343B94 #4750BE #747BCE

Accessibility & contrast

On white

9.55

#343B94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#343B94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343B94

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343B94	#FFFFFF	#000000	##FFFFFF
##343B94	1.00	9.55	2.20	9.55
#FFFFFF	9.55	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A97

Deuteranopia (green-blind)

#004192

Tritanopia (blue-blind)

#005161

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #343b94;
/* rgb */ color: rgb(52, 59, 148);
/* oklch */ color: oklch(40.2% 0.144 274.5);

Tailwind

colors: {
  custom: {
    50: '#7771b4',
    500: '#343b94',
    950: '#000000',
  },
}

SCSS

$custom: #343b94;
$custom-light: #7771b4;
$custom-dark: #000000;

JSON

{
  "hex": "#343b94",
  "rgb": {
    "r": 52,
    "g": 59,
    "b": 148
  },
  "hsl": {
    "h": 235.625,
    "s": 48,
    "l": 39.216
  },
  "oklch": {
    "l": 0.40186,
    "c": 0.14431,
    "h": 274.5
  },
  "luminance": 0.05996
}

Semantic roles & 50–950 ramp

primary

#343B94

secondary

#B7B16D

accent

#CE50D8

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #343B94

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

Preview Lab → · Contrast checker → · Palette generator →