#3673CC#3673CC

#3673CC is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.1% C 0.152 H 258.1°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#3673CC
RGB	rgb(54, 115, 204)
HSL	hsl(216, 60%, 51%)
HSV	hsv(216, 74%, 80%)
CMYK	cmyk(73.5%, 43.6%, 0%, 20%)
CIE-LAB	lab(48.76, 10.86, -51.85)
CIE-LCH	lch(48.76, 52.97, 281.83°)
OKLab	oklab(56.15% -0.0313 -0.1484)
OKLCH	oklch(56.15% 0.152 258.1)
XYZ	xyz(18.5472, 17.4033, 59.4967)
Luminance	0.1741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3673CC #CC8F36

analogous

#36BECC #3673CC #4436CC

triadic

#3673CC #CC3673 #73CC36

tetradic

#3673CC #CC36BE #CC8F36 #36CC44

square

#3673CC #CC36BE #CC8F36 #36CC44

split-complementary

#3673CC #CC4436 #BECC36

monochromatic

#1B3C6C #28579D #3673CC #6795D8 #98B7E5

Accessibility & contrast

On white

4.69

#3673CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#3673CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3673CC

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3673CC	#FFFFFF	#000000	##FFFFFF
##3673CC	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#477BCF

Deuteranopia (green-blind)

#2A6DCA

Tritanopia (blue-blind)

#008895

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3673cc;
/* rgb */ color: rgb(54, 115, 204);
/* oklch */ color: oklch(56.1% 0.152 258.1);

Tailwind

colors: {
  custom: {
    50: '#809adc',
    500: '#3673cc',
    950: '#000000',
  },
}

SCSS

$custom: #3673cc;
$custom-light: #809adc;
$custom-dark: #000000;

JSON

{
  "hex": "#3673cc",
  "rgb": {
    "r": 54,
    "g": 115,
    "b": 204
  },
  "hsl": {
    "h": 215.6,
    "s": 59.524,
    "l": 50.588
  },
  "oklch": {
    "l": 0.56147,
    "c": 0.15166,
    "h": 258.1
  },
  "luminance": 0.17405
}

Semantic roles & 50–950 ramp

primary

#3673CC

secondary

#D0B58E

accent

#A345E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3673CC

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

Preview Lab → · Contrast checker → · Palette generator →