#3C73C7#3C73C7

#3C73C7 is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.1% C 0.143 H 258.7°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#3C73C7
RGB	rgb(60, 115, 199)
HSL	hsl(216, 55%, 51%)
HSV	hsv(216, 70%, 78%)
CMYK	cmyk(69.8%, 42.2%, 0%, 22%)
CIE-LAB	lab(48.69, 9.88, -49.09)
CIE-LCH	lch(48.69, 50.07, 281.38°)
OKLab	oklab(56.06% -0.028 -0.1402)
OKLCH	oklch(56.06% 0.143 258.7)
XYZ	xyz(18.2993, 17.3437, 56.4050)
Luminance	0.1735 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C73C7 #C7903C

analogous

#3CB8C7 #3C73C7 #4A3CC7

triadic

#3C73C7 #C73C73 #73C73C

tetradic

#3C73C7 #C73CB8 #C7903C #3CC74A

square

#3C73C7 #C73CB8 #C7903C #3CC74A

split-complementary

#3C73C7 #C74A3C #B8C73C

monochromatic

#1E3C6A #2C579A #3C73C7 #6C95D5 #9BB7E2

Accessibility & contrast

On white

4.70

#3C73C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#3C73C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C73C7

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C73C7	#FFFFFF	#000000	##FFFFFF
##3C73C7	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)

#4B7BCA

Deuteranopia (green-blind)

#346EC5

Tritanopia (blue-blind)

#008793

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3c73c7;
/* rgb */ color: rgb(60, 115, 199);
/* oklch */ color: oklch(56.1% 0.143 258.7);

Tailwind

colors: {
  custom: {
    50: '#829ad8',
    500: '#3c73c7',
    950: '#000000',
  },
}

SCSS

$custom: #3c73c7;
$custom-light: #829ad8;
$custom-dark: #000000;

JSON

{
  "hex": "#3c73c7",
  "rgb": {
    "r": 60,
    "g": 115,
    "b": 199
  },
  "hsl": {
    "h": 216.259,
    "s": 55.378,
    "l": 50.784
  },
  "oklch": {
    "l": 0.56056,
    "c": 0.14298,
    "h": 258.7
  },
  "luminance": 0.17346
}

Semantic roles & 50–950 ramp

primary

#3C73C7

secondary

#CEB691

accent

#A449DF

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #3C73C7

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

Preview Lab → · Contrast checker → · Palette generator →