#3A73C5#3A73C5

#3A73C5 is a mid, vivid blue. Relative luminance 0.172; OKLCH L 55.8% C 0.141 H 257.8°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#3A73C5
RGB	rgb(58, 115, 197)
HSL	hsl(215, 55%, 50%)
HSV	hsv(215, 71%, 77%)
CMYK	cmyk(70.6%, 41.6%, 0%, 22.7%)
CIE-LAB	lab(48.50, 8.85, -48.25)
CIE-LCH	lch(48.50, 49.06, 280.40°)
OKLab	oklab(55.85% -0.0299 -0.1378)
OKLCH	oklch(55.85% 0.141 257.8)
XYZ	xyz(17.9500, 17.1903, 55.1846)
Luminance	0.1719 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A73C5 #C58C3A

analogous

#3AB8C5 #3A73C5 #473AC5

triadic

#3A73C5 #C53A73 #73C53A

tetradic

#3A73C5 #C53AB8 #C58C3A #3AC547

square

#3A73C5 #C53AB8 #C58C3A #3AC547

split-complementary

#3A73C5 #C5473A #B8C53A

monochromatic

#1E3C66 #2C5796 #3A73C5 #6995D3 #99B6E1

Accessibility & contrast

On white

4.73

#3A73C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#3A73C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A73C5

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A73C5	#FFFFFF	#000000	##FFFFFF
##3A73C5	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C7AC8

Deuteranopia (green-blind)

#356DC3

Tritanopia (blue-blind)

#008692

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3a73c5;
/* rgb */ color: rgb(58, 115, 197);
/* oklch */ color: oklch(55.8% 0.141 257.8);

Tailwind

colors: {
  custom: {
    50: '#809ad7',
    500: '#3a73c5',
    950: '#000000',
  },
}

SCSS

$custom: #3a73c5;
$custom-light: #809ad7;
$custom-dark: #000000;

JSON

{
  "hex": "#3a73c5",
  "rgb": {
    "r": 58,
    "g": 115,
    "b": 197
  },
  "hsl": {
    "h": 215.396,
    "s": 54.51,
    "l": 50
  },
  "oklch": {
    "l": 0.55849,
    "c": 0.141,
    "h": 257.8
  },
  "luminance": 0.17192
}

Semantic roles & 50–950 ramp

primary

#3A73C5

secondary

#CDB38E

accent

#A14ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3A73C5

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

Preview Lab → · Contrast checker → · Palette generator →