#3473CC#3473CC

#3473CC is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.1% C 0.152 H 257.6°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#3473CC
RGB	rgb(52, 115, 204)
HSL	hsl(215, 60%, 50%)
HSV	hsv(215, 75%, 80%)
CMYK	cmyk(74.5%, 43.6%, 0%, 20%)
CIE-LAB	lab(48.70, 10.60, -51.96)
CIE-LCH	lch(48.70, 53.03, 281.53°)
OKLab	oklab(56.08% -0.0326 -0.1487)
OKLCH	oklch(56.08% 0.152 257.6)
XYZ	xyz(18.4420, 17.3491, 59.4918)
Luminance	0.1735 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3473CC #CC8D34

analogous

#34BFCC #3473CC #4134CC

triadic

#3473CC #CC3473 #73CC34

tetradic

#3473CC #CC34BF #CC8D34 #34CC41

square

#3473CC #CC34BF #CC8D34 #34CC41

split-complementary

#3473CC #CC4134 #BFCC34

monochromatic

#1B3C6B #27579C #3473CC #6595D8 #96B6E5

Accessibility & contrast

On white

4.70

#3473CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#3473CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3473CC

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3473CC	#FFFFFF	#000000	##FFFFFF
##3473CC	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#467BCF

Deuteranopia (green-blind)

#296DCA

Tritanopia (blue-blind)

#008895

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3473cc;
/* rgb */ color: rgb(52, 115, 204);
/* oklch */ color: oklch(56.1% 0.152 257.6);

Tailwind

colors: {
  custom: {
    50: '#809adc',
    500: '#3473cc',
    950: '#000000',
  },
}

SCSS

$custom: #3473cc;
$custom-light: #809adc;
$custom-dark: #000000;

JSON

{
  "hex": "#3473cc",
  "rgb": {
    "r": 52,
    "g": 115,
    "b": 204
  },
  "hsl": {
    "h": 215.132,
    "s": 59.843,
    "l": 50.196
  },
  "oklch": {
    "l": 0.56076,
    "c": 0.15229,
    "h": 257.6
  },
  "luminance": 0.17351
}

Semantic roles & 50–950 ramp

primary

#3473CC

secondary

#D0B48C

accent

#A145E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3473CC

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

Preview Lab → · Contrast checker → · Palette generator →