#3347BD#3347BD

#3347BD is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.9% C 0.185 H 269.9°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#3347BD
RGB	rgb(51, 71, 189)
HSL	hsl(231, 58%, 47%)
HSV	hsv(231, 73%, 74%)
CMYK	cmyk(73%, 62.4%, 0%, 25.9%)
CIE-LAB	lab(35.76, 33.20, -64.21)
CIE-LCH	lch(35.76, 72.28, 297.34°)
OKLab	oklab(45.92% -0.0002 -0.1855)
OKLCH	oklch(45.92% 0.185 269.9)
XYZ	xyz(12.8006, 8.8831, 49.1742)
Luminance	0.0888 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3347BD #BDA933

analogous

#338CBD #3347BD #6433BD

triadic

#3347BD #BD3347 #47BD33

tetradic

#3347BD #BD338C #BDA933 #33BD64

square

#3347BD #BD338C #BDA933 #33BD64

split-complementary

#3347BD #BD6433 #8CBD33

monochromatic

#19235D #26358D #3347BD #5B6CD3 #8B97E0

Accessibility & contrast

On white

7.56

#3347BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#3347BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3347BD

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3347BD	#FFFFFF	#000000	##FFFFFF
##3347BD	1.00	7.56	2.78	7.56
#FFFFFF	7.56	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC1

Deuteranopia (green-blind)

#004EBB

Tritanopia (blue-blind)

#00657B

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3347bd;
/* rgb */ color: rgb(51, 71, 189);
/* oklch */ color: oklch(45.9% 0.185 269.9);

Tailwind

colors: {
  custom: {
    50: '#7e7ad2',
    500: '#3347bd',
    950: '#000000',
  },
}

SCSS

$custom: #3347bd;
$custom-light: #7e7ad2;
$custom-dark: #000000;

JSON

{
  "hex": "#3347bd",
  "rgb": {
    "r": 51,
    "g": 71,
    "b": 189
  },
  "hsl": {
    "h": 231.304,
    "s": 57.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.45924,
    "c": 0.18549,
    "h": 269.9
  },
  "luminance": 0.08884
}

Semantic roles & 50–950 ramp

primary

#3347BD

secondary

#CABF82

accent

#CA47E1

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0B0914

muted

#7C7B83

Preview Lab

Preview with #3347BD

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

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