#343A71#343A71

#343A71 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.3% C 0.094 H 276.2°. Best body text is #FFFFFF at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#343A71
RGB	rgb(52, 58, 113)
HSL	hsl(234, 37%, 32%)
HSV	hsv(234, 54%, 44%)
CMYK	cmyk(54%, 48.7%, 0%, 55.7%)
CIE-LAB	lab(26.59, 14.51, -32.69)
CIE-LCH	lch(26.59, 35.77, 293.94°)
OKLab	oklab(37.27% 0.0101 -0.093)
OKLCH	oklch(37.27% 0.094 276.2)
XYZ	xyz(5.9089, 4.9481, 16.2633)
Luminance	0.0495 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343A71 #716B34

analogous

#345971 #343A71 #4C3471

triadic

#343A71 #71343A #3A7134

tetradic

#343A71 #713459 #716B34 #34714C

square

#343A71 #713459 #716B34 #34714C

split-complementary

#343A71 #714C34 #597134

monochromatic

#0D0F1D #212447 #343A71 #47509B #676FB9

Accessibility & contrast

On white

10.55

#343A71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#343A71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343A71

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343A71	#FFFFFF	#000000	##FFFFFF
##343A71	1.00	10.55	1.99	10.55
#FFFFFF	10.55	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#224173

Deuteranopia (green-blind)

#1C3C70

Tritanopia (blue-blind)

#1A4650

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #343a71;
/* rgb */ color: rgb(52, 58, 113);
/* oklch */ color: oklch(37.3% 0.094 276.2);

Tailwind

colors: {
  custom: {
    50: '#70709a',
    500: '#343a71',
    950: '#000000',
  },
}

SCSS

$custom: #343a71;
$custom-light: #70709a;
$custom-dark: #000000;

JSON

{
  "hex": "#343a71",
  "rgb": {
    "r": 52,
    "g": 58,
    "b": 113
  },
  "hsl": {
    "h": 234.098,
    "s": 36.97,
    "l": 32.353
  },
  "oklch": {
    "l": 0.37267,
    "c": 0.09352,
    "h": 276.2
  },
  "luminance": 0.04948
}

Semantic roles & 50–950 ramp

primary

#343A71

secondary

#A19B60

accent

#C25BCD

background

#F7F6F9

surface

#EDECF2

border

#C8C7CC

text

#08070E

muted

#7B7A7E

Preview Lab

Preview with #343A71

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

Preview Lab → · Contrast checker → · Palette generator →