Blue (survey)#0343DF

#0343DF is a mid, highly saturated blue. Relative luminance 0.094; OKLCH L 47.2% C 0.241 H 263.3°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Blue (survey) — editorial page

Color values

HEX	#0343DF
RGB	rgb(3, 67, 223)
HSL	hsl(223, 97%, 44%)
HSV	hsv(223, 99%, 87%)
CMYK	cmyk(98.7%, 70%, 0%, 12.5%)
CIE-LAB	lab(36.67, 45.33, -82.46)
CIE-LCH	lch(36.67, 94.10, 298.80°)
OKLab	oklab(47.18% -0.0279 -0.2393)
OKLCH	oklch(47.18% 0.241 263.3)
XYZ	xyz(15.3592, 9.3593, 70.7947)
Luminance	0.0936 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.43

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0343DF #DF9F03

analogous

#03B1DF #0343DF #3103DF

triadic

#0343DF #DF0343 #43DF03

tetradic

#0343DF #DF03B1 #DF9F03 #03DF31

square

#0343DF #DF03B1 #DF9F03 #03DF31

split-complementary

#0343DF #DF3103 #B1DF03

monochromatic

#011F66 #0231A3 #0343DF #2362FC #608DFD

Accessibility & contrast

On white

7.31

#0343DF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#0343DF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0343DF

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0343DF	#FFFFFF	#000000	##FFFFFF
##0343DF	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060E4

Deuteranopia (green-blind)

#004CDC

Tritanopia (blue-blind)

#00708C

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #0343df;
/* rgb */ color: rgb(3, 67, 223);
/* oklch */ color: oklch(47.2% 0.241 263.3);

Tailwind

colors: {
  custom: {
    50: '#7e77ea',
    500: '#0343df',
    950: '#000000',
  },
}

SCSS

$custom: #0343df;
$custom-light: #7e77ea;
$custom-dark: #000000;

JSON

{
  "hex": "#0343df",
  "rgb": {
    "r": 3,
    "g": 67,
    "b": 223
  },
  "hsl": {
    "h": 222.545,
    "s": 97.345,
    "l": 44.314
  },
  "oklch": {
    "l": 0.47177,
    "c": 0.24097,
    "h": 263.3
  },
  "luminance": 0.09361
}

Semantic roles & 50–950 ramp

primary

#0343DF

secondary

#E0BA5D

accent

#C129FF

background

#F8F7FE

surface

#F0EDFD

border

#CBC8D5

text

#0C0916

muted

#7D7B84

Preview Lab

Preview with #0343DF

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

Preview Lab → · Contrast checker → · Palette generator →