#3471DB#3471DB

#3471DB is a mid, vivid blue. Relative luminance 0.177; OKLCH L 56.7% C 0.174 H 260.6°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#3471DB
RGB	rgb(52, 113, 219)
HSL	hsl(218, 70%, 53%)
HSV	hsv(218, 76%, 86%)
CMYK	cmyk(76.3%, 48.4%, 0%, 14.1%)
CIE-LAB	lab(49.07, 17.42, -59.89)
CIE-LCH	lch(49.07, 62.37, 286.22°)
OKLab	oklab(56.66% -0.0285 -0.1721)
OKLCH	oklch(56.66% 0.174 260.6)
XYZ	xyz(20.1029, 17.6525, 69.3519)
Luminance	0.1766 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3471DB #DB9E34

analogous

#34C4DB #3471DB #4A34DB

triadic

#3471DB #DB3471 #71DB34

tetradic

#3471DB #DB34C4 #DB9E34 #34DB4A

square

#3471DB #DB34C4 #DB9E34 #34DB4A

split-complementary

#3471DB #DB4A34 #C4DB34

monochromatic

#163C7E #2055B2 #3471DB #6895E4 #9CBAED

Accessibility & contrast

On white

4.63

#3471DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#3471DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3471DB

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3471DB	#FFFFFF	#000000	##FFFFFF
##3471DB	1.00	4.63	4.53	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#347DDF

Deuteranopia (green-blind)

#006DD9

Tritanopia (blue-blind)

#008A9B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3471db;
/* rgb */ color: rgb(52, 113, 219);
/* oklch */ color: oklch(56.7% 0.174 260.6);

Tailwind

colors: {
  custom: {
    50: '#8399e7',
    500: '#3471db',
    950: '#000000',
  },
}

SCSS

$custom: #3471db;
$custom-light: #8399e7;
$custom-dark: #000000;

JSON

{
  "hex": "#3471db",
  "rgb": {
    "r": 52,
    "g": 113,
    "b": 219
  },
  "hsl": {
    "h": 218.084,
    "s": 69.874,
    "l": 53.137
  },
  "oklch": {
    "l": 0.56664,
    "c": 0.17446,
    "h": 260.6
  },
  "luminance": 0.17655
}

Semantic roles & 50–950 ramp

primary

#3471DB

secondary

#D9BF91

accent

#AC3BED

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0D16

muted

#7D7E84

Preview Lab

Preview with #3471DB

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

Preview Lab → · Contrast checker → · Palette generator →