#3673CA#3673CA

#3673CA is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.0% C 0.149 H 257.7°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#3673CA
RGB	rgb(54, 115, 202)
HSL	hsl(215, 58%, 50%)
HSV	hsv(215, 73%, 79%)
CMYK	cmyk(73.3%, 43.1%, 0%, 20.8%)
CIE-LAB	lab(48.65, 10.12, -50.89)
CIE-LCH	lch(48.65, 51.89, 281.25°)
OKLab	oklab(56.02% -0.0317 -0.1456)
OKLCH	oklch(56.02% 0.149 257.7)
XYZ	xyz(18.3088, 17.3080, 58.2415)
Luminance	0.1731 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3673CA #CA8D36

analogous

#36BDCA #3673CA #4336CA

triadic

#3673CA #CA3673 #73CA36

tetradic

#3673CA #CA36BD #CA8D36 #36CA43

square

#3673CA #CA36BD #CA8D36 #36CA43

split-complementary

#3673CA #CA4336 #BDCA36

monochromatic

#1C3C6A #29579A #3673CA #6695D7 #97B6E4

Accessibility & contrast

On white

4.71

#3673CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#3673CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3673CA

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3673CA	#FFFFFF	#000000	##FFFFFF
##3673CA	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#487BCD

Deuteranopia (green-blind)

#2D6DC8

Tritanopia (blue-blind)

#008794

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3673ca;
/* rgb */ color: rgb(54, 115, 202);
/* oklch */ color: oklch(56.0% 0.149 257.7);

Tailwind

colors: {
  custom: {
    50: '#809adb',
    500: '#3673ca',
    950: '#000000',
  },
}

SCSS

$custom: #3673ca;
$custom-light: #809adb;
$custom-dark: #000000;

JSON

{
  "hex": "#3673ca",
  "rgb": {
    "r": 54,
    "g": 115,
    "b": 202
  },
  "hsl": {
    "h": 215.27,
    "s": 58.268,
    "l": 50.196
  },
  "oklch": {
    "l": 0.56017,
    "c": 0.14901,
    "h": 257.7
  },
  "luminance": 0.1731
}

Semantic roles & 50–950 ramp

primary

#3673CA

secondary

#CFB48D

accent

#A246E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3673CA

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

Preview Lab → · Contrast checker → · Palette generator →