#343C94#343C94

#343C94 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.4% C 0.143 H 274.1°. Best body text is #FFFFFF at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#343C94
RGB	rgb(52, 60, 148)
HSL	hsl(235, 48%, 39%)
HSV	hsv(235, 65%, 58%)
CMYK	cmyk(64.9%, 59.5%, 0%, 42%)
CIE-LAB	lab(29.66, 25.68, -49.58)
CIE-LCH	lch(29.66, 55.84, 297.39°)
OKLab	oklab(40.38% 0.0103 -0.1426)
OKLCH	oklch(40.38% 0.143 274.1)
XYZ	xyz(8.3756, 6.0992, 28.7471)
Luminance	0.0610 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343C94 #948C34

analogous

#346C94 #343C94 #5C3494

triadic

#343C94 #94343C #3C9434

tetradic

#343C94 #94346C #948C34 #34945C

square

#343C94 #94346C #948C34 #34945C

split-complementary

#343C94 #945C34 #6C9434

monochromatic

#141739 #242A67 #343C94 #4751BE #747CCE

Accessibility & contrast

On white

9.46

#343C94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#343C94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343C94

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343C94	#FFFFFF	#000000	##FFFFFF
##343C94	1.00	9.46	2.22	9.46
#FFFFFF	9.46	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A97

Deuteranopia (green-blind)

#004292

Tritanopia (blue-blind)

#005162

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #343c94;
/* rgb */ color: rgb(52, 60, 148);
/* oklch */ color: oklch(40.4% 0.143 274.1);

Tailwind

colors: {
  custom: {
    50: '#7771b4',
    500: '#343c94',
    950: '#000000',
  },
}

SCSS

$custom: #343c94;
$custom-light: #7771b4;
$custom-dark: #000000;

JSON

{
  "hex": "#343c94",
  "rgb": {
    "r": 52,
    "g": 60,
    "b": 148
  },
  "hsl": {
    "h": 235,
    "s": 48,
    "l": 39.216
  },
  "oklch": {
    "l": 0.40379,
    "c": 0.14299,
    "h": 274.1
  },
  "luminance": 0.061
}

Semantic roles & 50–950 ramp

primary

#343C94

secondary

#B7B06D

accent

#CC50D8

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #343C94

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

Preview Lab → · Contrast checker → · Palette generator →