#3473DB#3473DB

#3473DB is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.1% C 0.172 H 259.9°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#3473DB
RGB	rgb(52, 115, 219)
HSL	hsl(217, 70%, 53%)
HSV	hsv(217, 76%, 86%)
CMYK	cmyk(76.3%, 47.5%, 0%, 14.1%)
CIE-LAB	lab(49.62, 16.16, -59.00)
CIE-LCH	lch(49.62, 61.17, 285.32°)
OKLab	oklab(57.09% -0.03 -0.1695)
OKLCH	oklch(57.09% 0.172 259.9)
XYZ	xyz(20.3284, 18.1037, 69.4271)
Luminance	0.1811 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3473DB #DB9C34

analogous

#34C7DB #3473DB #4834DB

triadic

#3473DB #DB3473 #73DB34

tetradic

#3473DB #DB34C7 #DB9C34 #34DB48

square

#3473DB #DB34C7 #DB9C34 #34DB48

split-complementary

#3473DB #DB4834 #C7DB34

monochromatic

#163E7E #2057B2 #3473DB #6897E4 #9CBBED

Accessibility & contrast

On white

4.54

#3473DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#3473DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3473DB

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3473DB	#FFFFFF	#000000	##000000
##3473DB	1.00	4.54	4.62	4.62
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#397EDF

Deuteranopia (green-blind)

#006FD9

Tritanopia (blue-blind)

#008C9C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3473db;
/* rgb */ color: rgb(52, 115, 219);
/* oklch */ color: oklch(57.1% 0.172 259.9);

Tailwind

colors: {
  custom: {
    50: '#839ae7',
    500: '#3473db',
    950: '#000000',
  },
}

SCSS

$custom: #3473db;
$custom-light: #839ae7;
$custom-dark: #000000;

JSON

{
  "hex": "#3473db",
  "rgb": {
    "r": 52,
    "g": 115,
    "b": 219
  },
  "hsl": {
    "h": 217.365,
    "s": 69.874,
    "l": 53.137
  },
  "oklch": {
    "l": 0.57086,
    "c": 0.17211,
    "h": 259.9
  },
  "luminance": 0.18106
}

Semantic roles & 50–950 ramp

primary

#3473DB

secondary

#D9BE91

accent

#AA3BED

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #3473DB

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

Preview Lab → · Contrast checker → · Palette generator →